| Standard label: | Amortization of Intangible Assets |
| Name: | us-gaap:AmortizationOfIntangibleAssets |
| Documentation: | The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. |
| 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:AmortizationOfIntangibleAssets |
| Label | Role | Language |
| Amortization of Intangible Assets | http://www.xbrl.org/2003/role/label | en-US |
| Amortization of Intangible Assets, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 230 10 45 28 (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 230 |
| FASB Accounting Standards Codification 350 30 50 2 (a)(2) | http://fasb.org/us-gaap/role/ref/legacyRef | 350 |
| FASB Accounting Standards Codification 350 30 45 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 350 |
| Part Of Roll Up: |
| us-gaap:AmortizationOfDeferredCharges |
| us-gaap:AdjustmentForAmortization |