cm:Member: us-gaap:AccountingStandardsUpdate201816Member
| Accounting Standards Update 2018-16 [Member] |
| us-gaap:AccountingStandardsUpdate201816Member |
| Accounting Standards Update 2018-16 Derivatives and Hedging (Topic 815): Inclusion of the Secured Overnight Financing Rate (SOFR) Overnight Index Swap (OIS) Rate as a Benchmark Interest Rate for Hedge Accounting Purposes. |
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| us-gaap:AccountingStandardsUpdate201816Member |