| Standard label: | Deferred Taxes, Business Combination, Valuation Allowance, Available to Reduce Goodwill |
| Name: | us-gaap:DeferredTaxesBusinessCombinationValuationAllowanceAvailableToReduceGoodwill |
| Documentation: | The amount of the valuation allowance recorded in a business combination against deductible temporary differences for which related tax benefits will be recorded as a reduction of the acquired entity's goodwill if those tax benefits become realizable. |
| 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:DeferredTaxesBusinessCombinationValuationAllowanceAvailableToReduceGoodwill |
| Label | Role | Language |
| Deferred Taxes, Business Combination, Valuation Allowance, Available to Reduce Goodwill | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 805 740 25 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 805 |