English
Segment disclosures
Company overviewWEST CORP
Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.
Revenue · Reported segment facts
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 · Communication Services
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:CommunicationServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2014-01-01 – 2014-12-31 | 653571000 | USD | 20150219 | Open filing evidence |
| 2014-07-02 – 2014-09-30 | 322777000 | USD | 20141106 | Open filing evidence |
| 2014-01-01 – 2014-09-30 | 903136000 | USD | 20141106 | Open filing evidence |
| 2014-04-01 – 2014-06-30 | 294938000 | USD | 20140805 | Open filing evidence |
| 2014-01-01 – 2014-06-30 | 580359000 | USD | 20140805 | Open filing evidence |
| 2014-01-01 – 2014-03-31 | 285421000 | USD | 20140502 | Open filing evidence |
| 2013-01-01 – 2013-12-31 | 545850000 Restated | USD | 20150219 | Open filing evidence |
| 2013-07-01 – 2013-09-30 | 280399000 Restated | USD | 20141106 | Open filing evidence |
| 2013-01-01 – 2013-09-30 | 820968000 Restated | USD | 20141106 | Open filing evidence |
| 2013-04-01 – 2013-06-30 | 271400000 | USD | 20140805 | Open filing evidence |
| 2013-01-01 – 2013-06-30 | 540569000 | USD | 20140805 | Open filing evidence |
| 2013-01-01 – 2013-03-31 | 269169000 | USD | 20140502 | Open filing evidence |
| 2012-01-01 – 2012-12-31 | 479584000 Restated | USD | 20150219 | Open filing evidence |
| 2012-07-01 – 2012-09-30 | 300847000 | USD | 20131101 | Open filing evidence |
| 2012-01-01 – 2012-09-30 | 877811000 | USD | 20131101 | Open filing evidence |
| 2011-01-01 – 2011-12-31 | 1137900000 | USD | 20140220 | Open filing evidence |
Operating Segments · Interactive Services
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:InteractiveServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2016-01-01 – 2016-12-31 | 300739000 | USD | 20170216 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 71729000 | USD | 20160505 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 265664000 | USD | 20170216 | Open filing evidence |
| 2015-01-01 – 2015-03-31 | 62467000 | USD | 20160505 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 235481000 | USD | 20170216 | Open filing evidence |
| 2013-01-01 – 2013-12-31 | 224440000 | USD | 20160218 | Open filing evidence |
Operating Segments · Safety Services
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SafetyServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2016-01-01 – 2016-12-31 | 296320000 | USD | 20170216 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 71164000 | USD | 20160505 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 281391000 | USD | 20170216 | Open filing evidence |
| 2015-01-01 – 2015-03-31 | 68578000 | USD | 20160505 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 278317000 | USD | 20170216 | Open filing evidence |
| 2013-01-01 – 2013-12-31 | 259120000 | USD | 20160218 | Open filing evidence |
Operating Segments · Specialized Agent Services
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SpecializedAgentServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2016-01-01 – 2016-12-31 | 281542000 | USD | 20170216 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 68378000 | USD | 20160505 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 276983000 | USD | 20170216 | Open filing evidence |
| 2015-01-01 – 2015-03-31 | 67078000 | USD | 20160505 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 224621000 | USD | 20170216 | Open filing evidence |
| 2013-01-01 – 2013-12-31 | 170345000 | USD | 20160218 | Open filing evidence |
Operating Segments · Unified Communications
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:UnifiedCommunicationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2014-01-01 – 2014-12-31 | 1616777000 | USD | 20150219 | Open filing evidence |
| 2014-07-02 – 2014-09-30 | 404511000 | USD | 20141106 | Open filing evidence |
| 2014-01-01 – 2014-09-30 | 1221328000 | USD | 20141106 | Open filing evidence |
| 2014-04-01 – 2014-06-30 | 411900000 | USD | 20140805 | Open filing evidence |
| 2014-01-01 – 2014-06-30 | 816817000 | USD | 20140805 | Open filing evidence |
| 2014-01-01 – 2014-03-31 | 404917000 | USD | 20140502 | Open filing evidence |
| 2013-01-01 – 2013-12-31 | 1603311000 Restated | USD | 20150219 | Open filing evidence |
| 2013-07-01 – 2013-09-30 | 396659000 Restated | USD | 20141106 | Open filing evidence |
| 2013-01-01 – 2013-09-30 | 1200161000 Restated | USD | 20141106 | Open filing evidence |
| 2013-04-01 – 2013-06-30 | 408448000 | USD | 20140805 | Open filing evidence |
| 2013-01-01 – 2013-06-30 | 803502000 | USD | 20140805 | Open filing evidence |
| 2013-01-01 – 2013-03-31 | 395054000 | USD | 20140502 | Open filing evidence |
| 2012-01-01 – 2012-12-31 | 1566129000 Restated | USD | 20150219 | Open filing evidence |
| 2012-07-01 – 2012-09-30 | 359007000 | USD | 20131101 | Open filing evidence |
| 2012-01-01 – 2012-09-30 | 1088181000 | USD | 20131101 | Open filing evidence |
| 2011-01-01 – 2011-12-31 | 1364032000 | USD | 20140220 | Open filing evidence |
Operating Segments · Unified Communications Services
Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:UnifiedCommunicationsServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2016-01-01 – 2016-12-31 | 1425281000 | USD | 20170216 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 362713000 | USD | 20160505 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 1467711000 | USD | 20170216 | Open filing evidence |
| 2015-01-01 – 2015-03-31 | 369458000 | USD | 20160505 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 1491639000 | USD | 20170216 | Open filing evidence |
| 2013-01-01 – 2013-12-31 | 1475016000 | USD | 20160218 | Open filing evidence |
Intersegment Elimination
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=us-gaap:IntersegmentEliminationMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2013-04-01 – 2013-06-30 | -6952000 | USD | 20130802 | Open filing evidence |
| 2013-01-01 – 2013-06-30 | -10747000 | USD | 20130802 | Open filing evidence |
| 2013-01-01 – 2013-03-31 | -3795000 | USD | 20130429 | Open filing evidence |
| 2012-01-01 – 2012-12-31 | -11597000 | USD | 20130208 | Open filing evidence |
| 2012-07-01 – 2012-09-30 | -2958000 | USD | 20121026 | Open filing evidence |
| 2012-01-01 – 2012-09-30 | -8139000 | USD | 20121026 | Open filing evidence |
| 2012-04-01 – 2012-06-30 | -2859000 | USD | 20120727 | Open filing evidence |
| 2012-03-24 – 2012-06-30 | -2859000 | USD | 20130802 | Open filing evidence |
| 2012-01-01 – 2012-06-30 | -5181000 | USD | 20130802 | Open filing evidence |
| 2012-01-01 – 2012-03-31 | -2322000 | USD | 20130429 | Open filing evidence |
| 2011-01-01 – 2011-12-31 | -10607000 | USD | 20130208 | Open filing evidence |
| 2011-07-01 – 2011-09-30 | -3281000 | USD | 20121026 | Open filing evidence |
| 2011-01-01 – 2011-09-30 | -8211000 | USD | 20121026 | Open filing evidence |
| 2011-04-01 – 2011-06-30 | -2549000 | USD | 20120727 | Open filing evidence |
| 2011-01-01 – 2011-06-30 | -4930000 | USD | 20120727 | Open filing evidence |
| 2010-01-01 – 2010-12-31 | -5950000 | USD | 20130208 | Open filing evidence |
Communication Services
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=wesc:CommunicationServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2012-04-01 – 2012-06-30 | 295227000 | USD | 20120727 | Open filing evidence |
| 2012-01-01 – 2012-06-30 | 576964000 | USD | 20120727 | Open filing evidence |
| 2011-04-01 – 2011-06-30 | 278332000 | USD | 20120727 | Open filing evidence |
| 2011-01-01 – 2011-06-30 | 560409000 | USD | 20120727 | Open filing evidence |
Unified Communications
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=wesc:UnifiedCommunicationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2012-04-01 – 2012-06-30 | 369527000 | USD | 20120727 | Open filing evidence |
| 2012-01-01 – 2012-06-30 | 729174000 | USD | 20120727 | Open filing evidence |
| 2011-04-01 – 2011-06-30 | 347037000 | USD | 20120727 | Open filing evidence |
| 2011-01-01 – 2011-06-30 | 678159000 | USD | 20120727 | Open filing evidence |
Communication Services
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=wstc:CommunicationServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2013-04-01 – 2013-06-30 | 296778000 | USD | 20130802 | Open filing evidence |
| 2013-01-01 – 2013-06-30 | 593229000 | USD | 20130802 | Open filing evidence |
| 2013-01-01 – 2013-03-31 | 296451000 | USD | 20130429 | Open filing evidence |
| 2012-01-01 – 2012-12-31 | 1198320000 | USD | 20130208 | Open filing evidence |
| 2012-07-01 – 2012-09-30 | 300847000 | USD | 20121026 | Open filing evidence |
| 2012-01-01 – 2012-09-30 | 877811000 | USD | 20121026 | Open filing evidence |
| 2012-03-24 – 2012-06-30 | 295227000 | USD | 20130802 | Open filing evidence |
| 2012-01-01 – 2012-06-30 | 576964000 | USD | 20130802 | Open filing evidence |
| 2012-01-01 – 2012-03-31 | 281737000 | USD | 20130429 | Open filing evidence |
| 2011-01-01 – 2011-12-31 | 1137900000 | USD | 20130208 | Open filing evidence |
| 2011-07-01 – 2011-09-30 | 283994000 | USD | 20121026 | Open filing evidence |
| 2011-01-01 – 2011-09-30 | 844403000 | USD | 20121026 | Open filing evidence |
| 2010-01-01 – 2010-12-31 | 1173945000 | USD | 20130208 | Open filing evidence |
Interactive Services · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=wstc:InteractiveServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 79179000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 156672000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-03-31 | 77493000 | USD | 20170510 | Open filing evidence |
| 2016-07-01 – 2016-09-30 | 76439000 | USD | 20161103 | Open filing evidence |
| 2016-01-01 – 2016-09-30 | 221400000 | USD | 20161103 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 73232000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 144961000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 71729000 | USD | 20170510 | Open filing evidence |
| 2015-07-01 – 2015-09-30 | 68237000 | USD | 20161103 | Open filing evidence |
| 2015-01-01 – 2015-09-30 | 194332000 | USD | 20161103 | Open filing evidence |
| 2015-04-01 – 2015-06-30 | 63628000 | USD | 20160804 | Open filing evidence |
| 2015-01-01 – 2015-06-30 | 126095000 | USD | 20160804 | Open filing evidence |
Safety Services · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=wstc:SafetyServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 80419000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 156674000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-03-31 | 76255000 | USD | 20170510 | Open filing evidence |
| 2016-07-01 – 2016-09-30 | 75061000 | USD | 20161103 | Open filing evidence |
| 2016-01-01 – 2016-09-30 | 220648000 | USD | 20161103 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 74423000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 145587000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 71164000 | USD | 20170510 | Open filing evidence |
| 2015-07-01 – 2015-09-30 | 73812000 | USD | 20161103 | Open filing evidence |
| 2015-01-01 – 2015-09-30 | 208528000 | USD | 20161103 | Open filing evidence |
| 2015-04-01 – 2015-06-30 | 66138000 | USD | 20160804 | Open filing evidence |
| 2015-01-01 – 2015-06-30 | 134716000 | USD | 20160804 | Open filing evidence |
Specialized Agent Services · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=wstc:SpecializedAgentServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 69354000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 141102000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-03-31 | 71748000 | USD | 20170510 | Open filing evidence |
| 2016-07-01 – 2016-09-30 | 70255000 | USD | 20161103 | Open filing evidence |
| 2016-01-01 – 2016-09-30 | 206128000 | USD | 20161103 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 67495000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 135873000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 68378000 | USD | 20170510 | Open filing evidence |
| 2015-07-01 – 2015-09-30 | 68196000 | USD | 20161103 | Open filing evidence |
| 2015-01-01 – 2015-09-30 | 203840000 | USD | 20161103 | Open filing evidence |
| 2015-04-01 – 2015-06-30 | 68566000 | USD | 20160804 | Open filing evidence |
| 2015-01-01 – 2015-06-30 | 135644000 | USD | 20160804 | Open filing evidence |
Unified Communications
Statement Business Segments
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=wstc:UnifiedCommunicationsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2013-04-01 – 2013-06-30 | 382869000 | USD | 20130802 | Open filing evidence |
| 2013-01-01 – 2013-06-30 | 750437000 | USD | 20130802 | Open filing evidence |
| 2013-01-01 – 2013-03-31 | 367568000 | USD | 20130429 | Open filing evidence |
| 2012-01-01 – 2012-12-31 | 1451301000 | USD | 20130208 | Open filing evidence |
| 2012-07-01 – 2012-09-30 | 359007000 | USD | 20121026 | Open filing evidence |
| 2012-01-01 – 2012-09-30 | 1088181000 | USD | 20121026 | Open filing evidence |
| 2012-03-24 – 2012-06-30 | 369527000 | USD | 20130802 | Open filing evidence |
| 2012-01-01 – 2012-06-30 | 729174000 | USD | 20130802 | Open filing evidence |
| 2012-01-01 – 2012-03-31 | 359647000 | USD | 20130429 | Open filing evidence |
| 2011-01-01 – 2011-12-31 | 1364032000 | USD | 20130208 | Open filing evidence |
| 2011-07-01 – 2011-09-30 | 352090000 | USD | 20121026 | Open filing evidence |
| 2011-01-01 – 2011-09-30 | 1030249000 | USD | 20121026 | Open filing evidence |
| 2010-01-01 – 2010-12-31 | 1220216000 | USD | 20130208 | Open filing evidence |
Unified Communications Services · Operating Segments
Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementBusinessSegmentsAxis=wstc:UnifiedCommunicationsServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 348546000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 699621000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-03-31 | 351075000 | USD | 20170510 | Open filing evidence |
| 2016-07-01 – 2016-09-30 | 352377000 | USD | 20161103 | Open filing evidence |
| 2016-01-01 – 2016-09-30 | 1085248000 | USD | 20161103 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 370158000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 732871000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 362713000 | USD | 20170510 | Open filing evidence |
| 2015-07-01 – 2015-09-30 | 365822000 | USD | 20161103 | Open filing evidence |
| 2015-01-01 – 2015-09-30 | 1109931000 | USD | 20161103 | Open filing evidence |
| 2015-04-01 – 2015-06-30 | 374651000 | USD | 20160804 | Open filing evidence |
| 2015-01-01 – 2015-06-30 | 744109000 | USD | 20160804 | Open filing evidence |
US · Operating Segments · Interactive Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=country:US;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:InteractiveServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 75004000 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 69918000 | USD | 20170510 | Open filing evidence |
US · Operating Segments · Safety Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=country:US;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SafetyServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 74477000 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 69657000 | USD | 20170510 | Open filing evidence |
US · Operating Segments · Specialized Agent Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=country:US;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SpecializedAgentServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 71748000 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 68378000 | USD | 20170510 | Open filing evidence |
US · Operating Segments · Unified Communications Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=country:US;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:UnifiedCommunicationsServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 247671000 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 247682000 | USD | 20170510 | Open filing evidence |
US · Interactive Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=country:US;us-gaap:StatementBusinessSegmentsAxis=wstc:InteractiveServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 76783000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 151787000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 290986000 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 70620000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 140538000 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 260051000 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 230075000 | USD | 20170216 | Open filing evidence |
US · Safety Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=country:US;us-gaap:StatementBusinessSegmentsAxis=wstc:SafetyServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 78535000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 153012000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 290620000 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 73384000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 143041000 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 276262000 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 271278000 | USD | 20170216 | Open filing evidence |
US · Specialized Agent Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=country:US;us-gaap:StatementBusinessSegmentsAxis=wstc:SpecializedAgentServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 69354000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 141102000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 281542000 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 67495000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 135873000 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 276983000 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 224621000 | USD | 20170216 | Open filing evidence |
US · Unified Communications Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=country:US;us-gaap:StatementBusinessSegmentsAxis=wstc:UnifiedCommunicationsServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 244378000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 492049000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 982319000 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 250742000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 498424000 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 1010262000 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 1002157000 | USD | 20170216 | Open filing evidence |
Asia Pacific · Operating Segments · Interactive Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:AsiaPacificMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:InteractiveServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 516000 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 498000 | USD | 20170510 | Open filing evidence |
Asia Pacific · Operating Segments · Safety Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:AsiaPacificMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SafetyServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 97000 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 75000 | USD | 20170510 | Open filing evidence |
Asia Pacific · Operating Segments · Specialized Agent Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:AsiaPacificMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SpecializedAgentServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 0 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 0 | USD | 20170510 | Open filing evidence |
Asia Pacific · Operating Segments · Unified Communications Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:AsiaPacificMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:UnifiedCommunicationsServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 32877000 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 34083000 | USD | 20170510 | Open filing evidence |
Asia Pacific · Interactive Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:AsiaPacificMember;us-gaap:StatementBusinessSegmentsAxis=wstc:InteractiveServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 559000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 1075000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 2266000 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 546000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 1044000 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 2951000 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 3300000 | USD | 20170216 | Open filing evidence |
Asia Pacific · Safety Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:AsiaPacificMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SafetyServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 550000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 647000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 632000 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 0 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 75000 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 303000 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 300000 | USD | 20170216 | Open filing evidence |
Asia Pacific · Specialized Agent Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:AsiaPacificMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SpecializedAgentServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 0 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 0 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 0 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 0 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 0 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 0 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 0 | USD | 20170216 | Open filing evidence |
Asia Pacific · Unified Communications Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:AsiaPacificMember;us-gaap:StatementBusinessSegmentsAxis=wstc:UnifiedCommunicationsServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 34036000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 66913000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 140703000 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 35927000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 70010000 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 138595000 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 150028000 | USD | 20170216 | Open filing evidence |
EMEA · Operating Segments · Interactive Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:EMEAMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:InteractiveServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 480000 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 722000 | USD | 20170510 | Open filing evidence |
EMEA · Operating Segments · Safety Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:EMEAMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SafetyServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 35000 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 23000 | USD | 20170510 | Open filing evidence |
EMEA · Operating Segments · Specialized Agent Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:EMEAMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SpecializedAgentServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 0 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 0 | USD | 20170510 | Open filing evidence |
EMEA · Operating Segments · Unified Communications Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:EMEAMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:UnifiedCommunicationsServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 68175000 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 78650000 | USD | 20170510 | Open filing evidence |
EMEA · Interactive Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:EMEAMember;us-gaap:StatementBusinessSegmentsAxis=wstc:InteractiveServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 497000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 977000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 2672000 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 638000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 1360000 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 1930000 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 1290000 | USD | 20170216 | Open filing evidence |
EMEA · Safety Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:EMEAMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SafetyServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 29000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 64000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 84000 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 18000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 41000 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 34000 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 3000 | USD | 20170216 | Open filing evidence |
EMEA · Specialized Agent Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:EMEAMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SpecializedAgentServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 0 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 0 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 0 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 0 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 0 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 0 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 0 | USD | 20170216 | Open filing evidence |
EMEA · Unified Communications Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=us-gaap:EMEAMember;us-gaap:StatementBusinessSegmentsAxis=wstc:UnifiedCommunicationsServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 67977000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 136152000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 292843000 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 80774000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 159424000 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 308841000 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 323173000 | USD | 20170216 | Open filing evidence |
America Other · Operating Segments · Interactive Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=wstc:AmericaOtherMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:InteractiveServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 1493000 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 591000 | USD | 20170510 | Open filing evidence |
America Other · Operating Segments · Safety Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=wstc:AmericaOtherMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SafetyServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 1646000 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 1409000 | USD | 20170510 | Open filing evidence |
America Other · Operating Segments · Specialized Agent Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=wstc:AmericaOtherMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SpecializedAgentServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 0 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 0 | USD | 20170510 | Open filing evidence |
America Other · Operating Segments · Unified Communications Services
Statement Geographical · Consolidation Items · Statement Business Segments
Source dimensions
us-gaap:StatementGeographicalAxis=wstc:AmericaOtherMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=wstc:UnifiedCommunicationsServicesMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-01-01 – 2017-03-31 | 2352000 | USD | 20170510 | Open filing evidence |
| 2016-01-01 – 2016-03-31 | 2298000 | USD | 20170510 | Open filing evidence |
America Other · Interactive Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=wstc:AmericaOtherMember;us-gaap:StatementBusinessSegmentsAxis=wstc:InteractiveServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 1340000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 2833000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 4815000 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 1428000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 2019000 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 732000 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 816000 | USD | 20170216 | Open filing evidence |
America Other · Safety Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=wstc:AmericaOtherMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SafetyServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 1305000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 2951000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 4984000 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 1021000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 2430000 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 4792000 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 6736000 | USD | 20170216 | Open filing evidence |
America Other · Specialized Agent Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=wstc:AmericaOtherMember;us-gaap:StatementBusinessSegmentsAxis=wstc:SpecializedAgentServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 0 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 0 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 0 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 0 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 0 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 0 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 0 | USD | 20170216 | Open filing evidence |
America Other · Unified Communications Services · Operating Segments
Statement Geographical · Statement Business Segments · Consolidation Items
Source dimensions
us-gaap:StatementGeographicalAxis=wstc:AmericaOtherMember;us-gaap:StatementBusinessSegmentsAxis=wstc:UnifiedCommunicationsServicesMember;us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember| Period | Value | Unit | Filed | Evidence |
|---|---|---|---|---|
| 2017-04-01 – 2017-06-30 | 2155000 | USD | 20170803 | Open filing evidence |
| 2017-01-01 – 2017-06-30 | 4507000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-12-31 | 9416000 | USD | 20170216 | Open filing evidence |
| 2016-04-01 – 2016-06-30 | 2715000 | USD | 20170803 | Open filing evidence |
| 2016-01-01 – 2016-06-30 | 5013000 | USD | 20170803 | Open filing evidence |
| 2015-01-01 – 2015-12-31 | 10013000 | USD | 20170216 | Open filing evidence |
| 2014-01-01 – 2014-12-31 | 16281000 | USD | 20170216 | Open filing evidence |