| Standard label: | Net Cash Provided by (Used in) Operating Activities | 
| Name: | us-gaap:NetCashProvidedByUsedInOperatingActivities | 
| Documentation: | Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. | 
| Object type: | cm:Concept | 
| Data type: | Monetary (xbrli:monetaryItemType) | 
| Period type: | For Period (duration) | 
| Balance type: | (no balance type) | 
| Abstract: | false | 
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:NetCashProvidedByUsedInOperatingActivities | 
| Label | Role | Language | 
| Net Cash Provided by (Used in) Operating Activities | http://www.xbrl.org/2003/role/label | en-US | 
| Net Cash Provided by (Used in) Operating Activities, Total | http://www.xbrl.org/2003/role/totalLabel | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 230 10 45 24 | http://fasb.org/us-gaap/role/ref/legacyRef | 230 | 
| FASB Accounting Standards Codification 230 10 45 25 | http://fasb.org/us-gaap/role/ref/legacyRef | 230 | 
| FASB Accounting Standards Codification 230 10 45 28 | http://fasb.org/us-gaap/role/ref/legacyRef | 230 | 
| Part Of Roll Up: | 
| us-gaap:CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect | 
| us-gaap:CashPeriodIncreaseDecreaseExcludingExchangeRateEffect |