Fundies. English
Segment disclosures
Company overviewNATIONAL WESTERN LIFE GROUP, INC.
Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.
Revenue · Reported segment facts
16 dimension combinations 363 retained observations 40 reported periods
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.
Operating Segments · Acquired Businesses
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=nwli:AcquiredBusinessesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-04-01 – 2020-06-30 | 28709000 | USD | 20200810 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 57515000 | USD | 20200810 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 28806000 | USD | 20200511 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 105564000 | USD | 20200228 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 28769000 | USD | 2019-11-07 · 22:07:50.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 76664000 | USD | 2019-11-07 · 22:07:50.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 28677000 | USD | 20200810 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 47895000 | USD | 20200810 | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 19218000 | USD | 20200511 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 22:07:50.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 0 | USD | 2019-11-07 · 22:07:50.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 0 | USD | 2019-08-08 · 18:14:23.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 0 | USD | 2019-08-08 · 18:14:23.000Z | Open filing evidence |
| 2018-01-01 – 2018-03-31 | 0 | USD | 2019-05-10 · 16:42:38.000Z | Open filing evidence |
Operating Segments · Annuities
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=nwli:AnnuitiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 254438000 | USD | 20240229 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 57936000 | USD | 20231109 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 186610000 | USD | 20231109 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 59337000 | USD | 20230515 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 252472000 | USD | 20240229 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 62519000 Restated | USD | 20231109 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 193289000 Restated | USD | 20231109 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 69196000 Restated | USD | 20230515 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 420460000 | USD | 20240229 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 67698000 | USD | 20221109 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 298056000 | USD | 20221109 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 105330000 | USD | 20210806 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 230358000 | USD | 20210806 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 125028000 | USD | 20220510 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 92160000 | USD | 20211108 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 209803000 | USD | 20211108 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 102357000 | USD | 20210806 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 117642000 | USD | 20210806 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 15286000 | USD | 20210510 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 400640000 | USD | 20200228 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 83344000 | USD | 20201106 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 286868000 | USD | 20201106 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 95493000 | USD | 20200810 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 203523000 | USD | 20200810 | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 108030000 | USD | 20200511 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 299883000 | USD | 20200228 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 129133000 | USD | 2019-11-07 · 22:07:50.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 282073000 | USD | 2019-11-07 · 22:07:50.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 94231000 | USD | 2019-08-08 · 18:14:23.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 152940000 | USD | 2019-08-08 · 18:14:23.000Z | Open filing evidence |
| 2018-01-01 – 2018-03-31 | 58709000 | USD | 2019-05-10 · 16:42:38.000Z | Open filing evidence |
| 2017-01-01 – 2017-12-31 | 511506000 | USD | 20200228 | Open filing evidence |
| 2017-07-01 – 2017-09-30 | 119442000 | USD | 20181107 | Open filing evidence |
| 2017-01-01 – 2017-09-30 | 362704000 | USD | 20181107 | Open filing evidence |
| 2017-04-01 – 2017-06-30 | 111566000 | USD | 20180807 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 243262000 | USD | 20180807 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 385174000 | USD | 2019-03-01 · 19:52:47.000Z | Open filing evidence |
Operating Segments · Domestic Life Insurance
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=nwli:DomesticLifeInsuranceMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 141377000 | USD | 20240229 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 31455000 | USD | 20230515 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 72834000 | USD | 20240229 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 23993000 | USD | 20221109 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 43919000 | USD | 20221109 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 9948000 Restated | USD | 20230515 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 143561000 Restated | USD | 20240229 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 18749000 | USD | 20221109 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 97264000 | USD | 20221109 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 40753000 | USD | 20210806 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 78515000 | USD | 20210806 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 37762000 | USD | 20220510 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 108408000 | USD | 20220310 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 38945000 | USD | 20211108 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 64304000 | USD | 20211108 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 33485000 | USD | 20210806 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 25359000 | USD | 20210806 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | -8126000 | USD | 20210510 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 123694000 | USD | 20220310 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 24321000 | USD | 2019-11-07 · 22:07:50.000Z | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 84389000 | USD | 2019-11-07 · 22:07:50.000Z | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 25721000 | USD | 2019-08-08 · 18:14:23.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 60068000 | USD | 2019-08-08 · 18:14:23.000Z | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 34347000 | USD | 20200511 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 64477000 | USD | 20200228 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 36983000 | USD | 2019-11-07 · 22:07:50.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 70918000 | USD | 2019-11-07 · 22:07:50.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 23670000 | USD | 2019-08-08 · 18:14:23.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 33934000 | USD | 2019-08-08 · 18:14:23.000Z | Open filing evidence |
| 2018-01-01 – 2018-03-31 | 10264000 | USD | 2019-05-10 · 16:42:38.000Z | Open filing evidence |
| 2017-01-01 – 2017-12-31 | 111299000 | USD | 20200228 | Open filing evidence |
| 2017-07-01 – 2017-09-30 | 27303000 | USD | 20181107 | Open filing evidence |
| 2017-01-01 – 2017-09-30 | 79850000 | USD | 20181107 | Open filing evidence |
| 2017-04-01 – 2017-06-30 | 24095000 | USD | 20180807 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 52547000 | USD | 20180807 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 74538000 | USD | 2019-03-01 · 19:52:47.000Z | Open filing evidence |
Operating Segments · International Life Insurance
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=nwli:InternationalLifeInsuranceMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 112410000 | USD | 20240229 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 30211000 | USD | 20230809 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 55676000 | USD | 20230809 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 25465000 | USD | 20230515 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 82786000 Restated | USD | 20240229 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 21683000 | USD | 20221109 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 50559000 | USD | 20221109 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 16107000 Restated | USD | 20230809 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 31311000 Restated | USD | 20230809 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 15204000 Restated | USD | 20230515 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 135203000 Restated | USD | 20240229 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 28761000 | USD | 20221109 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 95632000 | USD | 20221109 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 34547000 | USD | 20220809 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 66871000 | USD | 20220809 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 32324000 | USD | 20220510 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 115507000 | USD | 20230315 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 31911000 | USD | 20211108 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 80040000 | USD | 20211108 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 13921000 | USD | 20210510 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 146507000 | USD | 20220310 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 31962000 | USD | 20201106 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 105149000 | USD | 20201106 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 33086000 | USD | 2019-08-08 · 18:14:23.000Z | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 73187000 | USD | 2019-08-08 · 18:14:23.000Z | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 40101000 | USD | 20200511 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 131613000 | USD | 20200228 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 46575000 | USD | 2019-11-07 · 22:07:50.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 114562000 | USD | 2019-11-07 · 22:07:50.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 38068000 | USD | 2019-08-08 · 18:14:23.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 67986000 | USD | 2019-08-08 · 18:14:23.000Z | Open filing evidence |
| 2018-01-01 – 2018-03-31 | 29918000 | USD | 2019-05-10 · 16:42:38.000Z | Open filing evidence |
| 2017-01-01 – 2017-12-31 | 189334000 | USD | 20200228 | Open filing evidence |
| 2017-07-01 – 2017-09-30 | 46090000 | USD | 20181107 | Open filing evidence |
| 2017-01-01 – 2017-09-30 | 140217000 | USD | 20181107 | Open filing evidence |
| 2017-04-01 – 2017-06-30 | 43982000 | USD | 20180807 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 94127000 | USD | 20180807 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 168427000 | USD | 2019-03-01 · 19:52:47.000Z | Open filing evidence |
Operating Segments · ONL Affiliates
Consolidation Items · Statement Business Segments
Source dimensions
srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=nwli:ONLAffiliatesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2023-04-01 – 2023-06-30 | 29383000 | USD | 20230809 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 59142000 | USD | 20230809 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 29759000 | USD | 20230515 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 28901000 | USD | 20221109 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 87452000 | USD | 20221109 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 28913000 Restated | USD | 20230809 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 58542000 Restated | USD | 20230809 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 29629000 Restated | USD | 20230515 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 116752000 | USD | 20220310 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 29091000 | USD | 20221109 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 87408000 | USD | 20221109 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 29352000 | USD | 20220809 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 58317000 | USD | 20220809 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 28965000 | USD | 20220510 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 115422000 | USD | 20220310 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 28586000 | USD | 20211108 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 86101000 | USD | 20211108 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 28709000 | USD | 20210806 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 57515000 | USD | 20210806 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | 28806000 | USD | 20210510 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 105564000 | USD | 20220310 | 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 |
|---|---|---|---|---|
| 2023-01-01 – 2023-12-31 | 50393000 | USD | 20240229 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 6531000 | USD | 20230515 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 28808000 | USD | 20240229 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 1447000 | USD | 20220809 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 11929000 | USD | 20220809 | Open filing evidence |
| 2022-01-01 – 2022-03-31 | 10482000 | USD | 20230515 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 26161000 | USD | 20240229 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 5571000 | USD | 20211108 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 19222000 | USD | 20211108 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 8768000 | USD | 20220809 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 13651000 | USD | 20220809 | Open filing evidence |
| 2021-01-01 – 2021-03-31 | 4883000 | USD | 20220510 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 5050000 | USD | 20211108 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 18297000 | USD | 20211108 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 14131000 | USD | 20200810 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 13248000 | USD | 20200810 | Open filing evidence |
| 2020-01-01 – 2020-03-31 | -884000 | USD | 20210510 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 36542000 | USD | 20200228 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 5272000 | USD | 20201106 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 26988000 | USD | 20201106 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 10133000 | USD | 20200810 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 21717000 | USD | 20200810 | Open filing evidence |
| 2019-01-01 – 2019-03-31 | 11584000 | USD | 20200511 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 47203000 | USD | 20200228 | Open filing evidence |
| 2018-07-01 – 2018-09-30 | 10469000 | USD | 2019-11-07 · 22:07:50.000Z | Open filing evidence |
| 2018-01-01 – 2018-09-30 | 35978000 | USD | 2019-11-07 · 22:07:50.000Z | Open filing evidence |
| 2018-04-01 – 2018-06-30 | 15993000 | USD | 2019-08-08 · 18:14:23.000Z | Open filing evidence |
| 2018-01-01 – 2018-06-30 | 25509000 | USD | 2019-08-08 · 18:14:23.000Z | Open filing evidence |
| 2018-01-01 – 2018-03-31 | 9516000 | USD | 2019-05-10 · 16:42:38.000Z | Open filing evidence |
| 2017-01-01 – 2017-12-31 | 47546000 | USD | 20200228 | Open filing evidence |
| 2017-07-01 – 2017-09-30 | 9081000 | USD | 20181107 | Open filing evidence |
| 2017-01-01 – 2017-09-30 | 32956000 | USD | 20181107 | Open filing evidence |
| 2017-04-01 – 2017-06-30 | 12336000 | USD | 20180807 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 23875000 | USD | 20180807 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 41159000 | USD | 2019-03-01 · 19:52:47.000Z | Open filing evidence |
Operating Segments · Annuities
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=nwli:AnnuitiesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2018-01-01 – 2018-03-31 | 58709000 | USD | 20180510 | Open filing evidence |
| 2017-01-01 – 2017-12-31 | 511506000 | USD | 20180301 | Open filing evidence |
| 2017-07-01 – 2017-09-30 | 119442000 | USD | 20171103 | Open filing evidence |
| 2017-01-01 – 2017-09-30 | 362704000 | USD | 20171103 | Open filing evidence |
| 2017-04-01 – 2017-06-30 | 111566000 | USD | 20170804 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 243262000 | USD | 20170804 | Open filing evidence |
| 2017-01-01 – 2017-03-31 | 131696000 | USD | 20180510 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 385174000 | USD | 20180301 | Open filing evidence |
| 2016-07-01 – 2016-09-30 | 102914000 | USD | 20171103 | Open filing evidence |
| 2016-01-01 – 2016-09-30 | 279131000 | USD | 20171103 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 92782000 | USD | 20170804 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 176217000 | USD | 20170804 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 83435000 | USD | 20170509 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 322419000 | USD | 20180301 | Open filing evidence |
| 2015-07-01 – 2015-09-30 | 55513000 | USD | 20161104 | Open filing evidence |
| 2015-01-01 – 2015-09-30 | 225323000 | USD | 20161104 | Open filing evidence |
| 2015-04-01 – 2015-06-30 | 85719000 | USD | 20160805 | Open filing evidence |
| 2015-01-01 – 2015-06-30 | 169810000 | USD | 20160805 | Open filing evidence |
| 2015-01-01 – 2015-03-31 | 84091000 | USD | 20160506 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 420707000 | USD | 20170310 | Open filing evidence |
| 2014-07-01 – 2014-09-30 | 95984000 | USD | 20151106 | Open filing evidence |
| 2014-01-01 – 2014-09-30 | 316968000 | USD | 20151106 | Open filing evidence |
| 2013-01-01 – 2013-12-31 | 563353000 | USD | 20160311 | Open filing evidence |
Operating Segments · Domestic Life Insurance
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=nwli:DomesticLifeInsuranceMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2018-01-01 – 2018-03-31 | 10264000 | USD | 20180510 | Open filing evidence |
| 2017-01-01 – 2017-12-31 | 111299000 | USD | 20180301 | Open filing evidence |
| 2017-07-01 – 2017-09-30 | 27303000 | USD | 20171103 | Open filing evidence |
| 2017-01-01 – 2017-09-30 | 79850000 | USD | 20171103 | Open filing evidence |
| 2017-04-01 – 2017-06-30 | 24095000 | USD | 20170804 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 52547000 | USD | 20170804 | Open filing evidence |
| 2017-01-01 – 2017-03-31 | 28452000 | USD | 20180510 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 74538000 | USD | 20180301 | Open filing evidence |
| 2016-07-01 – 2016-09-30 | 20808000 | USD | 20171103 | Open filing evidence |
| 2016-01-01 – 2016-09-30 | 52862000 | USD | 20171103 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 18238000 | USD | 20170804 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 32054000 | USD | 20170804 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 13816000 | USD | 20170509 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 57971000 | USD | 20180301 | Open filing evidence |
| 2015-07-01 – 2015-09-30 | 10357000 | USD | 20161104 | Open filing evidence |
| 2015-01-01 – 2015-09-30 | 39971000 | USD | 20161104 | Open filing evidence |
| 2015-04-01 – 2015-06-30 | 15946000 | USD | 20160805 | Open filing evidence |
| 2015-01-01 – 2015-06-30 | 29614000 | USD | 20160805 | Open filing evidence |
| 2015-01-01 – 2015-03-31 | 13668000 | USD | 20160506 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 63551000 | USD | 20170310 | Open filing evidence |
| 2014-07-01 – 2014-09-30 | 13725000 | USD | 20151106 | Open filing evidence |
| 2014-01-01 – 2014-09-30 | 46161000 | USD | 20151106 | Open filing evidence |
| 2013-01-01 – 2013-12-31 | 63414000 | USD | 20160311 | Open filing evidence |
Operating Segments · International Life Insurance
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=nwli:InternationalLifeInsuranceMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2018-01-01 – 2018-03-31 | 29918000 | USD | 20180510 | Open filing evidence |
| 2017-01-01 – 2017-12-31 | 189334000 | USD | 20180301 | Open filing evidence |
| 2017-07-01 – 2017-09-30 | 46090000 | USD | 20171103 | Open filing evidence |
| 2017-01-01 – 2017-09-30 | 140217000 | USD | 20171103 | Open filing evidence |
| 2017-04-01 – 2017-06-30 | 43982000 | USD | 20170804 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 94127000 | USD | 20170804 | Open filing evidence |
| 2017-01-01 – 2017-03-31 | 50145000 | USD | 20180510 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 168427000 | USD | 20180301 | Open filing evidence |
| 2016-07-01 – 2016-09-30 | 43839000 | USD | 20171103 | Open filing evidence |
| 2016-01-01 – 2016-09-30 | 125544000 | USD | 20171103 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 42034000 | USD | 20170804 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 81705000 | USD | 20170804 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 39671000 | USD | 20170509 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 151807000 | USD | 20180301 | Open filing evidence |
| 2015-07-01 – 2015-09-30 | 30226000 | USD | 20161104 | Open filing evidence |
| 2015-01-01 – 2015-09-30 | 107383000 | USD | 20161104 | Open filing evidence |
| 2015-04-01 – 2015-06-30 | 38124000 | USD | 20160805 | Open filing evidence |
| 2015-01-01 – 2015-06-30 | 77157000 | USD | 20160805 | Open filing evidence |
| 2015-01-01 – 2015-03-31 | 39033000 | USD | 20160506 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 170749000 | USD | 20170310 | Open filing evidence |
| 2014-07-01 – 2014-09-30 | 37428000 | USD | 20151106 | Open filing evidence |
| 2014-01-01 – 2014-09-30 | 124129000 | USD | 20151106 | Open filing evidence |
| 2013-01-01 – 2013-12-31 | 181471000 | USD | 20160311 | Open filing evidence |
Operating Segments · All Other Segments
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2018-01-01 – 2018-03-31 | 9516000 | USD | 20180510 | Open filing evidence |
| 2017-01-01 – 2017-12-31 | 47546000 | USD | 20180301 | Open filing evidence |
| 2017-07-01 – 2017-09-30 | 9081000 | USD | 20171103 | Open filing evidence |
| 2017-01-01 – 2017-09-30 | 32956000 | USD | 20171103 | Open filing evidence |
| 2017-04-01 – 2017-06-30 | 12336000 | USD | 20170804 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 23875000 | USD | 20170804 | Open filing evidence |
| 2017-01-01 – 2017-03-31 | 11539000 | USD | 20180510 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 41159000 | USD | 20180301 | Open filing evidence |
| 2016-07-01 – 2016-09-30 | 8860000 | USD | 20171103 | Open filing evidence |
| 2016-01-01 – 2016-09-30 | 29757000 | USD | 20171103 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 11258000 | USD | 20170804 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 20897000 | USD | 20170804 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 9639000 | USD | 20170509 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 50390000 | USD | 20180301 | Open filing evidence |
| 2015-07-01 – 2015-09-30 | 9195000 | USD | 20161104 | Open filing evidence |
| 2015-01-01 – 2015-09-30 | 30486000 | USD | 20161104 | Open filing evidence |
| 2015-04-01 – 2015-06-30 | 11171000 | USD | 20160805 | Open filing evidence |
| 2015-01-01 – 2015-06-30 | 21291000 | USD | 20160805 | Open filing evidence |
| 2015-01-01 – 2015-03-31 | 10120000 | USD | 20160506 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 42168000 | USD | 20170310 | Open filing evidence |
| 2014-07-01 – 2014-09-30 | 10314000 | USD | 20151106 | Open filing evidence |
| 2014-01-01 – 2014-09-30 | 30459000 | USD | 20151106 | Open filing evidence |
| 2013-01-01 – 2013-12-31 | 43376000 | USD | 20160311 | Open filing evidence |
Acquired Businesses · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=nwli:AcquiredBusinessesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2020-01-01 – 2020-12-31 | 115422000 | USD | 20210316 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 28586000 | USD | 20201106 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 86101000 | USD | 20201106 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 105564000 | USD | 20210316 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 28769000 | USD | 20201106 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 76664000 | USD | 20201106 | Open filing evidence |
Annuities · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=nwli:AnnuitiesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 79012000 | USD | 20240509 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 69337000 | USD | 20230809 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 128674000 | USD | 20230809 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 59337000 | USD | 20240509 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 251454000 | USD | 20230315 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 61574000 Restated | USD | 20230809 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 130770000 Restated | USD | 20230809 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 390417000 | USD | 20230315 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 105330000 | USD | 20220809 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 230358000 | USD | 20220809 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 307644000 | USD | 20230315 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 400640000 | USD | 20220310 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 299883000 | USD | 20210316 | Open filing evidence |
Domestic Life Insurance · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=nwli:DomesticLifeInsuranceMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 48590000 | USD | 20240509 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 16998000 | USD | 20231109 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 90238000 | USD | 20231109 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 41785000 | USD | 20230809 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 73240000 | USD | 20230809 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 31455000 | USD | 20240509 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 77143000 | USD | 20230315 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 21981000 | USD | 20231109 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 38902000 | USD | 20231109 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 6973000 Restated | USD | 20230809 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 16921000 Restated | USD | 20230809 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 141405000 | USD | 20230315 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 40753000 | USD | 20220809 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 78515000 | USD | 20220809 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 108408000 | USD | 20230315 | Open filing evidence |
| 2020-07-01 – 2020-09-30 | 38945000 | USD | 20201106 | Open filing evidence |
| 2020-01-01 – 2020-09-30 | 64304000 | USD | 20201106 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 33485000 | USD | 20200810 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 25359000 | USD | 20200810 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 123694000 | USD | 20210316 | Open filing evidence |
| 2019-07-01 – 2019-09-30 | 24321000 | USD | 20201106 | Open filing evidence |
| 2019-01-01 – 2019-09-30 | 84389000 | USD | 20201106 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 25721000 | USD | 20200810 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 60068000 | USD | 20200810 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 64477000 | USD | 20210316 | Open filing evidence |
International Life Insurance · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=nwli:InternationalLifeInsuranceMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 31120000 | USD | 20240509 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 25102000 | USD | 20231109 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 80778000 | USD | 20231109 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 25465000 | USD | 20240509 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 22313000 | USD | 20231109 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 53624000 | USD | 20231109 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 34547000 | USD | 20210806 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 66871000 | USD | 20210806 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 115507000 | USD | 20210316 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 34208000 | USD | 20210806 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 48129000 | USD | 20210806 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 146507000 | USD | 20210316 | Open filing evidence |
| 2019-04-01 – 2019-06-30 | 33086000 | USD | 20200810 | Open filing evidence |
| 2019-01-01 – 2019-06-30 | 73187000 | USD | 20200810 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 131613000 | USD | 20210316 | Open filing evidence |
ONL Affiliates · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=nwli:ONLAffiliatesMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 30538000 | USD | 20240509 | Open filing evidence |
| 2023-01-01 – 2023-12-31 | 118873000 | USD | 20240229 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 29716000 | USD | 20231109 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 88858000 | USD | 20231109 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 29759000 | USD | 20240509 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 116779000 Restated | USD | 20240229 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 28887000 | USD | 20231109 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 87429000 | USD | 20231109 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 116728000 Restated | USD | 20240229 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 115422000 | USD | 20230315 | Open filing evidence |
All Other Segments · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember;srt:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2024-01-01 – 2024-03-31 | 8314000 | USD | 20240509 | Open filing evidence |
| 2023-07-01 – 2023-09-30 | 1055000 | USD | 20231109 | Open filing evidence |
| 2023-01-01 – 2023-09-30 | 23021000 | USD | 20231109 | Open filing evidence |
| 2023-04-01 – 2023-06-30 | 15435000 | USD | 20230809 | Open filing evidence |
| 2023-01-01 – 2023-06-30 | 21966000 | USD | 20230809 | Open filing evidence |
| 2023-01-01 – 2023-03-31 | 6531000 | USD | 20240509 | Open filing evidence |
| 2022-01-01 – 2022-12-31 | 28808000 | USD | 20230315 | Open filing evidence |
| 2022-07-01 – 2022-09-30 | 5712000 Restated | USD | 20231109 | Open filing evidence |
| 2022-01-01 – 2022-09-30 | 19141000 Restated | USD | 20231109 | Open filing evidence |
| 2022-04-01 – 2022-06-30 | 2947000 | USD | 20230809 | Open filing evidence |
| 2022-01-01 – 2022-06-30 | 13429000 | USD | 20230809 | Open filing evidence |
| 2021-01-01 – 2021-12-31 | 29160000 | USD | 20230315 | Open filing evidence |
| 2021-07-01 – 2021-09-30 | 5571000 | USD | 20221109 | Open filing evidence |
| 2021-01-01 – 2021-09-30 | 19222000 | USD | 20221109 | Open filing evidence |
| 2021-04-01 – 2021-06-30 | 8768000 | USD | 20210806 | Open filing evidence |
| 2021-01-01 – 2021-06-30 | 13651000 | USD | 20210806 | Open filing evidence |
| 2020-01-01 – 2020-12-31 | 26690000 | USD | 20230315 | Open filing evidence |
| 2020-04-01 – 2020-06-30 | 14131000 | USD | 20210806 | Open filing evidence |
| 2020-01-01 – 2020-06-30 | 13248000 | USD | 20210806 | Open filing evidence |
| 2019-01-01 – 2019-12-31 | 36542000 | USD | 20220310 | Open filing evidence |
| 2018-01-01 – 2018-12-31 | 47203000 | USD | 20210316 | Open filing evidence |