| Standard label: | Impact of Restatement on Opening Retained Earnings, before Tax |
| Name: | us-gaap:ImpactOfRestatementOnOpeningRetainedEarningsBeforeTax |
| Documentation: | Amount before tax of cumulative effect of restatement on the opening retained earnings of the earliest year presented. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ImpactOfRestatementOnOpeningRetainedEarningsBeforeTax |
| Label | Role | Language |
| Impact of Restatement on Opening Retained Earnings, before Tax | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 250 10 50 7 (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 250 |
| FASB Accounting Standards Codification 250 10 50 8 | http://fasb.org/us-gaap/role/ref/legacyRef | 250 |
| FASB Accounting Standards Codification 250 10 50 9 | http://fasb.org/us-gaap/role/ref/legacyRef | 250 |