| Standard label: | Earnings Per Share, Basic | 
| Name: | us-gaap:EarningsPerShareBasic | 
| Documentation: | The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. | 
| Object type: | cm:Concept | 
| Data type: | Share (num:perShareItemType) | 
| Period type: | For Period (duration) | 
| Balance type: | (no balance type) | 
| Abstract: | false | 
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:EarningsPerShareBasic | 
| Label | Role | Language | 
| Earnings Per Share, Basic | http://www.xbrl.org/2003/role/label | en-US | 
| Earnings Per Share, Basic, Total | http://www.xbrl.org/2003/role/totalLabel | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 220 10 S99 2 (SX 210.5-03(21)) | http://www.xbrl.org/2003/role/disclosureRef | 220 | 
| FASB Accounting Standards Codification 250 10 50 11 | http://www.xbrl.org/2003/role/disclosureRef | 250 | 
| FASB Accounting Standards Codification 260 10 45 60B (d) | http://www.xbrl.org/2003/role/disclosureRef | 260 | 
| FASB Accounting Standards Codification 260 10 50 1 (a) | http://www.xbrl.org/2003/role/disclosureRef | 260 | 
| FASB Accounting Standards Codification 260 10 45 2 | http://www.xbrl.org/2003/role/disclosureRef | 260 | 
| FASB Accounting Standards Codification 260 10 45 7 | http://www.xbrl.org/2003/role/disclosureRef | 260 | 
| FASB Accounting Standards Codification 260 10 55 52 | http://www.xbrl.org/2003/role/exampleRef | 260 | 
| FASB Accounting Standards Codification 942 220 S99 1 (SX 210.9-04(23)) | http://www.xbrl.org/2003/role/disclosureRef | 942 | 
| FASB Accounting Standards Codification 944 220 S99 1 (SX 210.7-04(19)) | http://www.xbrl.org/2003/role/disclosureRef | 944 |