| Standard label: | Proceeds from Equity Method Investment, Distribution |
| Name: | us-gaap:EquityMethodInvestmentDividendsOrDistributions |
| Documentation: | Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:EquityMethodInvestmentDividendsOrDistributions |
| Label | Role | Language |
| Proceeds from Equity Method Investment, Distribution | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 220 10 S99 2 (SX 210.5-03(12)) | http://fasb.org/us-gaap/role/ref/legacyRef | 220 |
| FASB Accounting Standards Codification 230 10 45 21D | http://fasb.org/us-gaap/role/ref/legacyRef | 230 |
| FASB Accounting Standards Codification 230 10 45 28 (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 230 |
| FASB Accounting Standards Codification 944 220 S99 1 (SX 210.7-04(10)) | http://fasb.org/us-gaap/role/ref/legacyRef | 944 |
| Part Of Roll Up: |
| us-gaap:IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions |