| Standard label: | New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Diluted Earnings Per Share |
| Name: | us-gaap:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnDilutedEarningsPerShare |
| Documentation: | Amount of the effect of a change in accounting principle on diluted earnings per share. |
| 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:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnDilutedEarningsPerShare |
| Label | Role | Language |
| New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Diluted Earnings Per Share | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 250 10 50 1 (b)(2) | http://fasb.org/us-gaap/role/ref/legacyRef | 250 |
| FASB Accounting Standards Codification 250 10 50 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 250 |
| FASB Accounting Standards Codification 260 10 45 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 260 |
| FASB Accounting Standards Codification 260 10 45 3 | http://fasb.org/us-gaap/role/ref/legacyRef | 260 |