| Standard label: | Equity Method Investment, Summarized Financial Information, Redeemable Preferred Stock |
| Name: | us-gaap:EquityMethodInvestmentSummarizedFinancialInformationRedeemablePreferredStock |
| Documentation: | The amount of redeemable preferred stock reported by an equity method investment of the entity. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:EquityMethodInvestmentSummarizedFinancialInformationRedeemablePreferredStock |
| Label | Role | Language |
| Equity Method Investment, Summarized Financial Information, Redeemable Preferred Stock | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 205 20 50 7 | http://fasb.org/us-gaap/role/ref/legacyRef | 205 |
| FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02(27)) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 |
| FASB Accounting Standards Codification 235 10 S99 1 (SX 210.4-08(g)) | http://fasb.org/us-gaap/role/ref/legacyRef | 235 |
| FASB Accounting Standards Codification 323 10 50 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 323 |
| FASB Accounting Standards Codification 323 10 50 3 (c) | http://fasb.org/us-gaap/role/ref/legacyRef | 323 |
| FASB Accounting Standards Codification 825 10 50 28 (f) | http://fasb.org/us-gaap/role/ref/legacyRef | 825 |