| Standard label: | Direct Financing Lease, Net Investment in Lease, Credit Loss Expense (Reversal) |
| Name: | us-gaap:DirectFinancingLeaseImpairmentLoss |
| Documentation: | Amount of expense (reversal of expense) for expected credit loss on net investment in direct financing lease. |
| 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:DirectFinancingLeaseImpairmentLoss |
| Label | Role | Language |
| Direct Financing Lease, Net Investment in Lease, Credit Loss Expense (Reversal) | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 326 20 50 13 (b) | http://www.xbrl.org/2003/role/disclosureRef | 326 |
| FASB Accounting Standards Codification 842 30 35 3 | http://www.xbrl.org/2003/role/disclosureRef | 842 |
| FASB Accounting Standards Codification 842 30 25 9 (c) | http://www.xbrl.org/2003/role/disclosureRef | 842 |
| Part Of Roll Up: |
| us-gaap:AssetImpairmentCharges |