Fundies. English
Segment disclosures
Company overviewCHESAPEAKE UTILITIES CORP
Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.
Revenue · Reported segment facts
129 dimension combinations 780 retained observations 13 reported periods Partial retained history
Counts describe retained dimensioned rows only. Periods and members can change across reports, and this view does not infer missing values or expected segment totals.
Aspire Energy Express · Energy Transmission · Regulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:AspireEnergyExpressMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-04-01 – 2025-06-30 | 300000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 700000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 400000 | USD | 20250507 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 1500000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 373000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 1110000 | USD | 20241107 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 300000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 700000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 400000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1500000 | USD | 20250226 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 373000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1106000 | USD | 20241107 | Open filing evidence |
Aspire · Energy Transmission · Unregulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:AspireMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 19200000 | USD | 20250507 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 35200000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 4576000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 23515000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 13600000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 37100000 | USD | 20250226 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 4798000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 24478000 | USD | 20241107 | Open filing evidence |
Aspire · Unregulated Energy · Energy Transmission
Legal Entity · Statement Business Segments · Product Or Service
Source dimensions
dei:LegalEntityAxis=cpk:AspireMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 13608000 | USD | 20240508 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 37139000 | USD | 20240221 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 5726000 | USD | 20230803 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 19680000 | USD | 20230803 | Open filing evidence |
Delawarenaturalgasdivision · Energy Distribution · Regulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:DelawarenaturalgasdivisionMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 42300000 | USD | 20250507 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 76900000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 9479000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 54800000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 31900000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 83900000 | USD | 20250226 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 9793000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 60809000 | USD | 20241107 | Open filing evidence |
Delawarenaturalgasdivision · Regulated Energy · Energy Distribution
Legal Entity · Statement Business Segments · Product Or Service
Source dimensions
dei:LegalEntityAxis=cpk:DelawarenaturalgasdivisionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 31917000 | USD | 20240508 | Open filing evidence |
Eastern Shore Gas Company · Energy Transmission · Regulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:EasternShoreGasCompanyMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 22700000 | USD | 20250507 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 81700000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 19538000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 60664000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 21200000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 79900000 | USD | 20250226 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 19228000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 59530000 | USD | 20241107 | Open filing evidence |
Eastern Shore Gas Company · Regulated Energy · Energy Transmission
Legal Entity · Statement Business Segments · Product Or Service
Source dimensions
dei:LegalEntityAxis=cpk:EasternShoreGasCompanyMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 19632000 | USD | 20230803 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 40302000 | USD | 20230803 | Open filing evidence |
Eight Flags · Energy Generation · Unregulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:EightFlagsMember;srt:ProductOrServiceAxis=cpk:EnergyGenerationMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 4700000 | USD | 20250507 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 18000000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 4242000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 13261000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 4600000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 19200000 | USD | 20250226 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 4437000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 14269000 | USD | 20241107 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 4532000 | USD | 20230803 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 9832000 | USD | 20230803 | Open filing evidence |
Eight Flags · Unregulated Energy · Energy Generation
Legal Entity · Statement Business Segments · Product Or Service
Source dimensions
dei:LegalEntityAxis=cpk:EightFlagsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyGenerationMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 4437000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 14269000 | USD | 20231102 | Open filing evidence |
Eliminations · Corporate And Eliminations · Regulated Energy
Legal Entity · Consolidation Items · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:EliminationsMember;srt:ConsolidationItemsAxis=cpk:CorporateAndEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-12-31 | -66300000 | USD | 20250226 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | -59200000 | USD | 20250226 | Open filing evidence |
Eliminations · Corporate And Eliminations · Unregulated Energy
Legal Entity · Consolidation Items · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:EliminationsMember;srt:ConsolidationItemsAxis=cpk:CorporateAndEliminationsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-12-31 | -300000 | USD | 20250226 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | -200000 | USD | 20250226 | Open filing evidence |
Eliminations · Regulated Energy
Legal Entity · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:EliminationsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-07-01 – 2024-09-30 | -16300000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | -48906000 | USD | 20241107 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | -14099000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | -43626000 | USD | 20241107 | Open filing evidence |
Elkton Gas · Energy Distribution · Regulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:ElktonGasMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 4000000 | USD | 20250507 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 7300000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 1024000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 5191000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 2900000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 8800000 | USD | 20250226 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 1011000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 6454000 | USD | 20241107 | Open filing evidence |
Elkton Gas · Regulated Energy · Energy Distribution
Legal Entity · Statement Business Segments · Product Or Service
Source dimensions
dei:LegalEntityAxis=cpk:ElktonGasMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 8814000 | USD | 20240221 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 1011000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 6454000 | USD | 20231102 | Open filing evidence |
Florida City Gas · Energy Distribution · Regulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:FloridaCityGasMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-04-01 – 2025-06-30 | 39500000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 83100000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 43600000 | USD | 20250507 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 140300000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 33449000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 101820000 | USD | 20241107 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 32500000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 68400000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 35900000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 12100000 | USD | 20250226 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 0 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20241107 | Open filing evidence |
Florida Propane · Propane Delivery · Unregulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:FloridaPropaneMember;srt:ProductOrServiceAxis=cpk:PropaneDeliveryMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 74700000 | USD | 20250507 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 157900000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 22929000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 112541000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 61600000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 154700000 | USD | 20250226 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 23197000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 110492000 | USD | 20241107 | Open filing evidence |
Florida Propane · Unregulated Energy · Propane Delivery
Legal Entity · Statement Business Segments · Product Or Service
Source dimensions
dei:LegalEntityAxis=cpk:FloridaPropaneMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;srt:ProductOrServiceAxis=cpk:PropaneDeliveryMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 61572000 | USD | 20240508 | Open filing evidence |
Florida Public Utilities Company · Energy Distribution · Regulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:FloridaPublicUtilitiesCompanyMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 51300000 | USD | 20250507 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 170300000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 36941000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 124814000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 47900000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 168400000 | USD | 20250226 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 38323000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 125446000 | USD | 20241107 | Open filing evidence |
Florida Public Utilities Company · Regulated Energy · Energy Distribution
Legal Entity · Statement Business Segments · Product Or Service
Source dimensions
dei:LegalEntityAxis=cpk:FloridaPublicUtilitiesCompanyMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 38323000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 125446000 | USD | 20231102 | Open filing evidence |
FPU Electric Distribution · Energy Distribution · Regulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:FPUElectricDistributionMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 23200000 | USD | 20250507 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 92600000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 29856000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 72366000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 20000000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 99500000 | USD | 20250226 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 32683000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 78455000 | USD | 20241107 | Open filing evidence |
FPU Electric Distribution · Regulated Energy · Energy Distribution
Legal Entity · Statement Business Segments · Product Or Service
Source dimensions
dei:LegalEntityAxis=cpk:FPUElectricDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 32683000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 78455000 | USD | 20231102 | Open filing evidence |
Marlin Gas Services · Energy Services · Unregulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:MarlinGasServicesMember;srt:ProductOrServiceAxis=cpk:EnergyServicesMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-12-31 | 16600000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 3832000 | USD | 20241107 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 3700000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 7100000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 3400000 Restated | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 12300000 | USD | 20250226 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 2595000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 9834000 | USD | 20241107 | Open filing evidence |
Marlin Gas Services · Unregulated Energy · Energy Services
Legal Entity · Statement Business Segments · Product Or Service
Source dimensions
dei:LegalEntityAxis=cpk:MarlinGasServicesMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 3238000 | USD | 20230803 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 7238000 | USD | 20230803 | Open filing evidence |
Maryland Natural Gas · Energy Distribution · Regulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:MarylandNaturalGasMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 12900000 | USD | 20250507 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 24600000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 3343000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 17879000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 9900000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 28100000 | USD | 20250226 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 3447000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 20331000 | USD | 20241107 | Open filing evidence |
Other · Regulated Energy
Legal Entity · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:OtherMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | -1500000 | USD | 20260506 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 800000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 100000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 600000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1000000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 500000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | -500000 | USD | 20260506 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 1600000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 200000 | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 900000 | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 100000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 700000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 600000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1200000 | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 100000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 900000 | USD | 20241107 | Open filing evidence |
Other · Unregulated Energy
Legal Entity · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:OtherMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | 100000 | USD | 20260506 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 400000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 100000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 300000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 100000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 200000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 100000 | USD | 20260506 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 400000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 100000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 300000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 200000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 100000 Restated | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 400000 | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 100000 Restated | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 300000 Restated | USD | 20241107 | Open filing evidence |
Other RNG · Energy Services · Unregulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:OtherRNGMember;srt:ProductOrServiceAxis=cpk:EnergyServicesMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-04-01 – 2025-06-30 | 1100000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2100000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1000000 | USD | 20250507 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 1000000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 51000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 51000 | USD | 20241107 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 0 | USD | 20250807 | Open filing evidence |
Peninsula Pipeline · Energy Transmission · Regulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:PeninsulaPipelineMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 10000000 | USD | 20250507 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 34500000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 9005000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 25066000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 8000000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 30400000 | USD | 20250226 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 7904000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 22408000 | USD | 20241107 | Open filing evidence |
Peninsula Pipeline · Regulated Energy · Energy Transmission
Legal Entity · Statement Business Segments · Product Or Service
Source dimensions
dei:LegalEntityAxis=cpk:PeninsulaPipelineMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 7904000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 22408000 | USD | 20231102 | Open filing evidence |
Sandpiper · Energy Distribution · Regulated Energy
Legal Entity · Product Or Service · Statement Business Segments
Source dimensions
dei:LegalEntityAxis=cpk:SandpiperMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-03-31 | 8400000 | USD | 20250507 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 20000000 | USD | 20250226 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 3925000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 14880000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 7000000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 20200000 | USD | 20250226 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 3748000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 14909000 | USD | 20241107 | Open filing evidence |
Corporate And Eliminations · Eliminations · Regulated Energy
Consolidation Items · Legal Entity · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=cpk:CorporateAndEliminationsMember;dei:LegalEntityAxis=cpk:EliminationsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | -87200000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | -66300000 | USD | 20260225 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | -59200000 | USD | 20260225 | Open filing evidence |
Corporate And Eliminations · Eliminations · Unregulated Energy
Consolidation Items · Legal Entity · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=cpk:CorporateAndEliminationsMember;dei:LegalEntityAxis=cpk:EliminationsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | -200000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | -300000 | USD | 20260225 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | -200000 | USD | 20260225 | Open filing evidence |
Consolidation Eliminations · Eliminations · Regulated Energy
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember;srt:ProductOrServiceAxis=cpk:EliminationsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | -87200000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | -66300000 | USD | 20260225 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | -59200000 | USD | 20260225 | Open filing evidence |
Consolidation Eliminations · Eliminations · Unregulated Energy
Consolidation Items · Product Or Service · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember;srt:ProductOrServiceAxis=cpk:EliminationsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | -200000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | -300000 | USD | 20260225 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | -200000 | USD | 20260225 | Open filing evidence |
Intersegment Elimination · Regulated Energy
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 600000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 1200000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 600000 | USD | 20260506 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 2100000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 600000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1400000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 400000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 800000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 400000 | USD | 20260506 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 5100000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 400000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 4600000 | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 3700000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 4200000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 500000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 2000000 | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 500000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1632000 | USD | 20241107 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 484000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 1132000 | USD | 20240808 | Open filing evidence |
Intersegment Elimination · Unregulated Energy
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 7100000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 16300000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 9300000 | USD | 20260506 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 27600000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 6900000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 20600000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 6500000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 13700000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 7200000 | USD | 20260506 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 19500000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 5600000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 13000000 Restated | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 2100000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 7400000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 5300000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 24100000 | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 5333000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 17807000 | USD | 20241107 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 5816000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 12473000 | USD | 20240808 | Open filing evidence |
Intersegment Elimination · All Other Segments
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | -7700000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | -17500000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | -9900000 | USD | 20260506 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | -29900000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | -7500000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | -22000000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | -6900000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | -14500000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | -7600000 | USD | 20260506 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | -24800000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | -6000000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | -17600000 Restated | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | -5800000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | -11600000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | -5800000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | -26300000 | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 45000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 136000 | USD | 20241107 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 45000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 91000 | USD | 20240808 | Open filing evidence |
Operating Segments · Regulated Energy
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 163700000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 412400000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 248700000 | USD | 20260506 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 685700000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 145800000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 496400000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 151400000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 350600000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 199200000 | USD | 20260506 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 578300000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 130200000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 425100000 Restated | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 127000000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 294900000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 167900000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 471600000 | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 101911000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 344190000 | USD | 20241107 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 100657000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 242279000 | USD | 20240808 | Open filing evidence |
Operating Segments · Unregulated Energy
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 38100000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 142600000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 104400000 | USD | 20260506 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 244300000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 33800000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 174700000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 41400000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 140900000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 99500000 | USD | 20260506 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 208900000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 30000000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 147100000 Restated | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 39300000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 117100000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 77800000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 199000000 | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 29636000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 141079000 | USD | 20241107 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 34936000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 111443000 | USD | 20240808 | Open filing evidence |
Operating Segments · All Other Segments
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 100000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 200000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 200000 | USD | 20260225 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 200000 | USD | 20260225 | Open filing evidence |
Eliminations · Eliminations
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EliminationsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:EliminationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-01-01 – 2026-03-31 | -9900000 | USD | 20260506 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | -7500000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | -22000000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | -6900000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | -14500000 | USD | 20250807 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | -7600000 | USD | 20260506 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | -6000000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | -17600000 Restated | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | -5800000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | -11600000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | -5800000 | USD | 20250507 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | -5879000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | -19575000 | USD | 20241107 | Open filing evidence |
Eliminations · Other
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EliminationsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:OtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | -7600000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | -17500000 | USD | 20260806 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | -6900000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | -14500000 | USD | 20260806 | Open filing evidence |
Eliminations · Regulated Energy
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EliminationsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | -25500000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | -52100000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | -26700000 | USD | 20260506 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | -22600000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | -61800000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | -20000000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | -39200000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | -19200000 | USD | 20260506 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | -16300000 | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | -48900000 Restated | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | -15900000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | -32600000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | -16700000 | USD | 20250507 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | -14099000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | -43626000 | USD | 20241107 | Open filing evidence |
Eliminations · Unregulated Energy
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EliminationsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | -200000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | -200000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | -100000 | USD | 20260506 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | -100000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | -200000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 0 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | -100000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | -100000 | USD | 20260506 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | -100000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | -200000 Restated | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 0 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | -100000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | -100000 | USD | 20250507 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | -57000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | -187000 | USD | 20241107 | Open filing evidence |
Energy Distribution · Delawarenaturalgasdivision · Regulated Energy
Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;dei:LegalEntityAxis=cpk:DelawarenaturalgasdivisionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 103500000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 76900000 | USD | 20260225 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 83900000 | USD | 20260225 | Open filing evidence |
Energy Distribution · Florida City Gas · Regulated Energy
Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;dei:LegalEntityAxis=cpk:FloridaCityGasMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 170400000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 40800000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 123900000 | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 140300000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 33400000 | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 101800000 | USD | 20251106 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 12100000 | USD | 20260225 | Open filing evidence |
Energy Distribution · Florida Natural Gas Distribution · Regulated Energy
Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;dei:LegalEntityAxis=cpk:FloridaNaturalGasDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 168400000 | USD | 20260225 | Open filing evidence |
Energy Distribution · Florida Public Utilities Company · Regulated Energy
Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;dei:LegalEntityAxis=cpk:FloridaPublicUtilitiesCompanyMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 191800000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 170300000 | USD | 20260225 | Open filing evidence |
Energy Distribution · FPU Electric Distribution · Regulated Energy
Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;dei:LegalEntityAxis=cpk:FPUElectricDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 103900000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 92600000 | USD | 20260225 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 99500000 | USD | 20260225 | Open filing evidence |
Energy Distribution · Maryland Natural Gas · Regulated Energy
Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;dei:LegalEntityAxis=cpk:MarylandNaturalGasMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 64200000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 51900000 | USD | 20260225 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 57100000 | USD | 20260225 | Open filing evidence |
Energy Distribution · Regulated Energy
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 150400000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 385000000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 234600000 | USD | 20260506 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 633800000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 133300000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 457500000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 138500000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 324200000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 185700000 | USD | 20260506 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 532000000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 118000000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 391800000 Restated | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 118300000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 273800000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 155500000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 421000000 | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 89005000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 306404000 | USD | 20241107 | Open filing evidence |
Energy Distribution · Regulated Energy · Delawarenaturalgasdivision
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:DelawarenaturalgasdivisionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 13404000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 45321000 | USD | 20240808 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 14109000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 51016000 | USD | 20240808 | Open filing evidence |
Energy Distribution · Regulated Energy · Delaware Natural Gas Division
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:DelawareNaturalGasDivisionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 19900000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 74000000 | USD | 20260806 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 15500000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 57800000 | USD | 20260806 | Open filing evidence |
Energy Distribution · Regulated Energy · Elkton Gas
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:ElktonGasMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 1308000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 4167000 | USD | 20240808 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 1303000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 5444000 | USD | 20240808 | Open filing evidence |
Energy Distribution · Regulated Energy · Florida City Gas
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:FloridaCityGasMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 41900000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 107400000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 65600000 | USD | 20260506 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 39500000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 83100000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 43600000 | USD | 20260506 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 32494000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 68371000 | USD | 20240808 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 0 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 0 | USD | 20240808 | Open filing evidence |
Energy Distribution · Regulated Energy · Florida Public Utilities Company
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:FloridaPublicUtilitiesCompanyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 50100000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 109000000 | USD | 20260806 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 46600000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 97900000 | USD | 20260806 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 39917000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 87873000 | USD | 20240808 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 40766000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 87124000 | USD | 20240808 | Open filing evidence |
Energy Distribution · Regulated Energy · FPU Electric Distribution
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:FPUElectricDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 26500000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 54200000 | USD | 20260806 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 26200000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 49400000 | USD | 20260806 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 22546000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 42510000 | USD | 20240808 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 23034000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 45771000 | USD | 20240808 | Open filing evidence |
Energy Distribution · Regulated Energy · Maryland Natural Gas
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:MarylandNaturalGasMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 12000000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 40400000 | USD | 20260806 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 10700000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 36000000 | USD | 20260806 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 4681000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 14536000 | USD | 20240808 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 4622000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 16884000 | USD | 20240808 | Open filing evidence |
Energy Distribution · Regulated Energy · Sandpiper
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:SandpiperMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 3898000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 10955000 | USD | 20240808 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 4079000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 11161000 | USD | 20240808 | Open filing evidence |
Energy Generation · Eight Flags · Unregulated Energy
Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyGenerationMember;dei:LegalEntityAxis=cpk:EightFlagsMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 18100000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 18000000 | USD | 20260225 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 19200000 | USD | 20260225 | Open filing evidence |
Energy Generation · Unregulated Energy · Eight Flags
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyGenerationMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;dei:LegalEntityAxis=cpk:EightFlagsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 5000000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 10900000 | USD | 20260806 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 4600000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 9300000 | USD | 20260806 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 4464000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 9019000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 4555000 | USD | 20240508 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 19207000 | USD | 20240221 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 4532000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 9832000 | USD | 20240808 | Open filing evidence |
Energy Services · Marlin Gas Services · Unregulated Energy
Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyServicesMember;dei:LegalEntityAxis=cpk:MarlinGasServicesMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 28200000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 16600000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 3800000 | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 10900000 | USD | 20251106 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 12300000 | USD | 20260225 | Open filing evidence |
Energy Services · Other RNG · Unregulated Energy
Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyServicesMember;dei:LegalEntityAxis=cpk:OtherRNGMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 3800000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 1000000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 3100000 | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 1000000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 100000 | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 100000 | USD | 20251106 | Open filing evidence |
Energy Services · Unregulated Energy
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyServicesMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 7000000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 15200000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 8300000 | USD | 20260506 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 32000000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 7700000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 24300000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 8400000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 16600000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 8200000 | USD | 20260506 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 17600000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 3900000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 11000000 Restated | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 3700000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 7100000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 3400000 | USD | 20250507 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 2595000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 9834000 | USD | 20241107 | Open filing evidence |
Energy Services · Unregulated Energy · Marlin Gas Services
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyServicesMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;dei:LegalEntityAxis=cpk:MarlinGasServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 5700000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 13200000 | USD | 20260806 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 7300000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 14500000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 7200000 | USD | 20260506 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 3647000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 7075000 | USD | 20240808 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 3238000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 7238000 | USD | 20240808 | Open filing evidence |
Energy Services · Unregulated Energy · Other RNG
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyServicesMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;dei:LegalEntityAxis=cpk:OtherRNGMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 1300000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 2000000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 900000 | USD | 20260506 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 1100000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 2100000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 1000000 | USD | 20260506 | Open filing evidence |
Energy Transmission · Aspire Energy Express · Regulated Energy
Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;dei:LegalEntityAxis=cpk:AspireEnergyExpressMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 1500000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 400000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 1100000 | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 1500000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 400000 | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 1100000 | USD | 20251106 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1500000 | USD | 20260225 | Open filing evidence |
Energy Transmission · Aspire · Unregulated Energy
Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;dei:LegalEntityAxis=cpk:AspireMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 50400000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 35200000 | USD | 20260225 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 37100000 | USD | 20260225 | Open filing evidence |
Energy Transmission · Eastern Shore Gas Company · Regulated Energy
Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;dei:LegalEntityAxis=cpk:EasternShoreGasCompanyMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 86900000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 81700000 | USD | 20260225 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 79900000 | USD | 20260225 | Open filing evidence |
Energy Transmission · Peninsula Pipeline · Regulated Energy
Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;dei:LegalEntityAxis=cpk:PeninsulaPipelineMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 52800000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 34500000 | USD | 20260225 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 30400000 | USD | 20260225 | Open filing evidence |
Energy Transmission · Regulated Energy
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 39400000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 80700000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 41400000 | USD | 20260506 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 141200000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 35700000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 102100000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 33300000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 66400000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 33100000 | USD | 20260506 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 117700000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 28900000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 86800000 Restated | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 28300000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 57900000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 29600000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 111800000 | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 27505000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 83044000 | USD | 20241107 | Open filing evidence |
Energy Transmission · Regulated Energy · Aspire Energy Express
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:AspireEnergyExpressMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 400000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 700000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 400000 | USD | 20260506 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 300000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 700000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 400000 | USD | 20260506 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 368000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 737000 | USD | 20240808 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 369000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 733000 | USD | 20240808 | Open filing evidence |
Energy Transmission · Regulated Energy · Eastern Shore Gas Company
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:EasternShoreGasCompanyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 22400000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 46600000 | USD | 20260806 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 21200000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 43900000 | USD | 20260806 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 19860000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 41126000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 40302000 | USD | 20240808 | Open filing evidence |
Energy Transmission · Regulated Energy · Peninsula Pipeline
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:PeninsulaPipelineMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 16600000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 33400000 | USD | 20260806 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 11800000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 21800000 | USD | 20260806 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 8069000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 16061000 | USD | 20240808 | Open filing evidence |
Energy Transmission · Unregulated Energy
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 7100000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 33400000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 26300000 | USD | 20260506 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 50400000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 6000000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 33600000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 8400000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 27600000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 19200000 | USD | 20260506 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 35200000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 4600000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 23500000 Restated | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 5300000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 18900000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 13600000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 37100000 | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 4798000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 24478000 | USD | 20241107 | Open filing evidence |
Energy Transmission · Unregulated Energy · Aspire Energy
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;dei:LegalEntityAxis=cpk:AspireEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 7100000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 33400000 | USD | 20260806 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 8400000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 27600000 | USD | 20260806 | Open filing evidence |
Energy Transmission · Unregulated Energy · Aspire
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;dei:LegalEntityAxis=cpk:AspireMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 5331000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 18939000 | USD | 20240808 | Open filing evidence |
Other · Other
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:OtherMember;us-gaap:StatementBusinessSegmentsAxis=cpk:OtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-07-01 – 2024-09-30 | 45000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 136000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 45000 | USD | 20240508 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 45000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 136000 | USD | 20241107 | Open filing evidence |
Other · Unregulated Energy
Product Or Service · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:OtherMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-09-30 | 0 | USD | 20241107 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 0 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20241107 | Open filing evidence |
Propane Delivery · Florida Propane · Unregulated Energy
Product Or Service · Legal Entity · Statement Business Segments
Source dimensions
srt:ProductOrServiceAxis=cpk:PropaneDeliveryMember;dei:LegalEntityAxis=cpk:FloridaPropaneMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 171600000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 157900000 | USD | 20260225 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 154700000 | USD | 20260225 | Open filing evidence |
Propane Delivery · Unregulated Energy · Florida Propane
Product Or Service · Statement Business Segments · Legal Entity
Source dimensions
srt:ProductOrServiceAxis=cpk:PropaneDeliveryMember;us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;dei:LegalEntityAxis=cpk:FloridaPropaneMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 26300000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 99600000 | USD | 20260806 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 26500000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 101200000 | USD | 20260806 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 28040000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 89612000 | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 154748000 | USD | 20240221 | Open filing evidence |
Florida City Gas · Regulated Energy
Business Acquisition · Statement Business Segments
Source dimensions
us-gaap:BusinessAcquisitionAxis=cpk:FloridaCityGasMember;us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2025-01-01 – 2025-12-31 | 170400000 | USD | 20260225 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 140300000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 33400000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 101800000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 12100000 | USD | 20250226 | Open filing evidence |
Eliminations · Eliminations
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:EliminationsMember;srt:ProductOrServiceAxis=cpk:EliminationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | -5818000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | -11648000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | -5830000 | USD | 20240508 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | -5879000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | -19576000 | USD | 20231102 | Open filing evidence |
Other
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:OtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | -7600000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | -17500000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | -9900000 | USD | 20260506 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | -7500000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | -22000000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | -6900000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | -14500000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | -7600000 | USD | 20260506 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | -6000000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | -17600000 Restated | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | -5800000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | -11600000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | -5800000 Restated | USD | 20250507 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | -5834000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | -19439000 Restated | USD | 20241107 | Open filing evidence |
Other · Other
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:OtherMember;srt:ProductOrServiceAxis=cpk:OtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 46000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 91000 | USD | 20240808 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 45000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 136000 | USD | 20231102 | Open filing evidence |
Other Segments And Intersegments Eliminations
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:OtherSegmentsAndIntersegmentsEliminationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-07-01 – 2024-09-30 | -6062000 | USD | 20241107 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | -17619000 | USD | 20241107 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | -5772000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | -11557000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | -5785000 | USD | 20240508 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | -5834000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | -19439000 Restated | USD | 20241107 | Open filing evidence |
Regulated Energy
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 164300000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 413600000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 249300000 | USD | 20260506 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 687800000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 146400000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 497800000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 151800000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 351400000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 199600000 | USD | 20260506 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 583400000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 130600000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 429700000 Restated | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 130700000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 299100000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 168400000 Restated | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 473600000 Restated | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 102411000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 345822000 | USD | 20241107 | Open filing evidence |
Regulated Energy · Aspire Energy Express · Energy Transmission
Statement Business Segments · Legal Entity · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:AspireEnergyExpressMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 369000 | USD | 20240508 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1478000 | USD | 20240221 | Open filing evidence |
Regulated Energy · Delawarenaturalgasdivision · Energy Distribution
Statement Business Segments · Legal Entity · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:DelawarenaturalgasdivisionMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 9793000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 60809000 | USD | 20231102 | Open filing evidence |
Regulated Energy · Eastern Shore Gas Company · Energy Transmission
Statement Business Segments · Legal Entity · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:EasternShoreGasCompanyMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 21266000 | USD | 20240508 | Open filing evidence |
Regulated Energy · Eliminations
Statement Business Segments · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:EliminationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | -15920000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | -32606000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | -16686000 | USD | 20240508 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | -14099000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | -43626000 | USD | 20231102 | Open filing evidence |
Regulated Energy · Elkton Gas · Energy Distribution
Statement Business Segments · Legal Entity · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:ElktonGasMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 2859000 | USD | 20240508 | Open filing evidence |
Regulated Energy · Florida City Gas · Energy Distribution
Statement Business Segments · Legal Entity · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:FloridaCityGasMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 35877000 | USD | 20240508 | Open filing evidence |
Regulated Energy · Florida Public Utilities Company · Energy Distribution
Statement Business Segments · Legal Entity · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:FloridaPublicUtilitiesCompanyMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 47956000 | USD | 20240508 | Open filing evidence |
Regulated Energy · Maryland Natural Gas · Energy Distribution
Statement Business Segments · Legal Entity · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:MarylandNaturalGasMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 9855000 | USD | 20240508 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 3447000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 20331000 | USD | 20231102 | Open filing evidence |
Regulated Energy · Other
Statement Business Segments · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:OtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-06-30 | 700000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 600000 | USD | 20240508 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 1200000 | USD | 20240221 | Open filing evidence |
Regulated Energy · Peninsula Pipeline · Energy Transmission
Statement Business Segments · Legal Entity · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:PeninsulaPipelineMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 7992000 | USD | 20240508 | Open filing evidence |
Regulated Energy · Sandpiper · Energy Distribution
Statement Business Segments · Legal Entity · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;dei:LegalEntityAxis=cpk:SandpiperMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 3748000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 14909000 | USD | 20231102 | Open filing evidence |
Regulated Energy · Corporate And Eliminations · Eliminations
Statement Business Segments · Consolidation Items · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ConsolidationItemsAxis=cpk:CorporateAndEliminationsMember;dei:LegalEntityAxis=cpk:EliminationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | -59086000 | USD | 20240221 | Open filing evidence |
Regulated Energy · Consolidation Eliminations · Eliminations
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember;srt:ProductOrServiceAxis=cpk:EliminationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | -59086000 | USD | 20240221 | Open filing evidence |
Regulated Energy · Intersegment Elimination
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 499000 | USD | 20240508 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 2004000 | USD | 20240221 | Open filing evidence |
Regulated Energy · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 167927000 | USD | 20240508 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 471591000 | USD | 20240221 | Open filing evidence |
Regulated Energy · Eliminations
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EliminationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | -15920000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | -32606000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | -16686000 | USD | 20240508 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | -14099000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | -43626000 | USD | 20231102 | Open filing evidence |
Regulated Energy · Energy Distribution
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 118248000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 273733000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 155485000 | USD | 20240508 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 420880000 | USD | 20240221 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 89005000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 306404000 | USD | 20231102 | Open filing evidence |
Regulated Energy · Energy Distribution · Delawarenaturalgasdivision
Statement Business Segments · Product Or Service · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;dei:LegalEntityAxis=cpk:DelawarenaturalgasdivisionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 83882000 | USD | 20240221 | Open filing evidence |
Regulated Energy · Energy Distribution · Florida City Gas
Statement Business Segments · Product Or Service · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;dei:LegalEntityAxis=cpk:FloridaCityGasMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 12073000 | USD | 20240221 | Open filing evidence |
Regulated Energy · Energy Distribution · Florida Public Utilities Company
Statement Business Segments · Product Or Service · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;dei:LegalEntityAxis=cpk:FloridaPublicUtilitiesCompanyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 168360000 | USD | 20240221 | Open filing evidence |
Regulated Energy · Energy Distribution · FPU Electric Distribution
Statement Business Segments · Product Or Service · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;dei:LegalEntityAxis=cpk:FPUElectricDistributionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 19964000 | USD | 20240508 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 99474000 | USD | 20240221 | Open filing evidence |
Regulated Energy · Energy Distribution · Maryland Natural Gas
Statement Business Segments · Product Or Service · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;dei:LegalEntityAxis=cpk:MarylandNaturalGasMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 28092000 | USD | 20240221 | Open filing evidence |
Regulated Energy · Energy Distribution · Sandpiper
Statement Business Segments · Product Or Service · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyDistributionMember;dei:LegalEntityAxis=cpk:SandpiperMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 7057000 | USD | 20240508 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 20185000 | USD | 20240221 | Open filing evidence |
Regulated Energy · Energy Transmission
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 28297000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 57924000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 29627000 | USD | 20240508 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 111801000 | USD | 20240221 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 27505000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 83044000 | USD | 20231102 | Open filing evidence |
Regulated Energy · Energy Transmission · Aspire Energy Express
Statement Business Segments · Product Or Service · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;dei:LegalEntityAxis=cpk:AspireEnergyExpressMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 373000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 1106000 | USD | 20231102 | Open filing evidence |
Regulated Energy · Energy Transmission · Eastern Shore Gas Company
Statement Business Segments · Product Or Service · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;dei:LegalEntityAxis=cpk:EasternShoreGasCompanyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 79923000 | USD | 20240221 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 19228000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 59530000 | USD | 20231102 | Open filing evidence |
Regulated Energy · Energy Transmission · Peninsula Pipeline
Statement Business Segments · Product Or Service · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember;dei:LegalEntityAxis=cpk:PeninsulaPipelineMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 30400000 | USD | 20240221 | Open filing evidence |
Regulated Energy · Florida City Gas
Statement Business Segments · Business Acquisition
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:RegulatedEnergyMember;us-gaap:BusinessAcquisitionAxis=cpk:FloridaCityGasMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 32500000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 68400000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 35900000 | USD | 20240508 | Open filing evidence |
Unregulated Energy
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | 45200000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | 158900000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | 113700000 | USD | 20260506 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | 271900000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | 40700000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | 195300000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | 47900000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | 154600000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | 106700000 | USD | 20260506 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | 228400000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | 35600000 Restated | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | 160100000 Restated | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | 41400000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 124500000 Restated | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 83100000 Restated | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 223100000 Restated | USD | 20260225 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 34970000 | USD | 20241107 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 158886000 Restated | USD | 20241107 | Open filing evidence |
Unregulated Energy · Aspire · Energy Transmission
Statement Business Segments · Legal Entity · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;dei:LegalEntityAxis=cpk:AspireMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 4798000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 24478000 | USD | 20231102 | Open filing evidence |
Unregulated Energy · Other
Statement Business Segments · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;dei:LegalEntityAxis=cpk:OtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 100000 Restated | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 200000 Restated | USD | 20240808 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 400000 | USD | 20240221 | Open filing evidence |
Unregulated Energy · Corporate And Eliminations · Eliminations
Statement Business Segments · Consolidation Items · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;srt:ConsolidationItemsAxis=cpk:CorporateAndEliminationsMember;dei:LegalEntityAxis=cpk:EliminationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | -246000 | USD | 20240221 | Open filing evidence |
Unregulated Energy · Consolidation Eliminations · Eliminations
Statement Business Segments · Consolidation Items · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;srt:ConsolidationItemsAxis=srt:ConsolidationEliminationsMember;srt:ProductOrServiceAxis=cpk:EliminationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | -246000 | USD | 20240221 | Open filing evidence |
Unregulated Energy · Intersegment Elimination
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 5286000 | USD | 20240508 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 24135000 | USD | 20240221 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 5333000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 17807000 | USD | 20231102 | Open filing evidence |
Unregulated Energy · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 77817000 | USD | 20240508 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 199013000 | USD | 20240221 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 29636000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 141079000 | USD | 20231102 | Open filing evidence |
Unregulated Energy · Eliminations
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EliminationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | -63000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | -123000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | -60000 | USD | 20240508 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | -57000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | -186000 | USD | 20231102 | Open filing evidence |
Unregulated Energy · Energy Services · Marlin Gas Services
Statement Business Segments · Product Or Service · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyServicesMember;dei:LegalEntityAxis=cpk:MarlinGasServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 12300000 | USD | 20240221 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 2595000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 9834000 | USD | 20231102 | Open filing evidence |
Unregulated Energy · Energy Transmission
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;srt:ProductOrServiceAxis=cpk:EnergyTransmissionMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-04-01 – 2024-06-30 | 5331000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | 18939000 | USD | 20240808 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | 13608000 | USD | 20240508 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 37139000 | USD | 20240221 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 4798000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 24478000 | USD | 20231102 | Open filing evidence |
Unregulated Energy · Other
Statement Business Segments · Product Or Service
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;srt:ProductOrServiceAxis=cpk:OtherMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 0 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 0 | USD | 20231102 | Open filing evidence |
Unregulated Energy · Propane Delivery · Florida Propane
Statement Business Segments · Product Or Service · Legal Entity
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=cpk:UnregulatedEnergyMember;srt:ProductOrServiceAxis=cpk:PropaneDeliveryMember;dei:LegalEntityAxis=cpk:FloridaPropaneMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-07-01 – 2023-09-30 | 23197000 | USD | 20231102 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 110492000 | USD | 20231102 | Open filing evidence |
All Other Segments
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2026-04-01 – 2026-06-30 | -7600000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-06-30 | -17500000 | USD | 20260806 | Open filing evidence |
| 2026-01-01 – 2026-03-31 | -9900000 | USD | 20260506 | Open filing evidence |
| 2025-01-01 – 2025-12-31 | -29700000 | USD | 20260225 | Open filing evidence |
| 2025-07-01 – 2025-09-30 | -7500000 | USD | 20251106 | Open filing evidence |
| 2025-01-01 – 2025-09-30 | -22000000 | USD | 20251106 | Open filing evidence |
| 2025-04-01 – 2025-06-30 | -6900000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-06-30 | -14500000 | USD | 20260806 | Open filing evidence |
| 2025-01-01 – 2025-03-31 | -7600000 | USD | 20260506 | Open filing evidence |
| 2024-01-01 – 2024-12-31 | -24600000 | USD | 20260225 | Open filing evidence |
| 2024-07-01 – 2024-09-30 | -6000000 | USD | 20251106 | Open filing evidence |
| 2024-01-01 – 2024-09-30 | -17600000 | USD | 20251106 | Open filing evidence |
| 2024-04-01 – 2024-06-30 | -5800000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-06-30 | -11600000 | USD | 20250807 | Open filing evidence |
| 2024-01-01 – 2024-03-31 | -5800000 | USD | 20250507 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | -26100000 | USD | 20260225 | Open filing evidence |
All Other Segments · Intersegment Elimination
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember;srt:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 45000 | USD | 20240508 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 182000 | USD | 20240221 | Open filing evidence |