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cm:Concept: us-gaap:DepositAssetsOrLiabilitiesChangeInAmountsBasedOnChangeInAssumptionsSupportingExpectedRecoveryAmounts
Standard label: Deposit Assets or Liabilities, Change in Amounts Based on Change in Assumptions Supporting Expected Recovery Amounts
Name: us-gaap:DepositAssetsOrLiabilitiesChangeInAmountsBasedOnChangeInAssumptionsSupportingExpectedRecoveryAmounts
Documentation: On contracts that transfer only significant underwriting risk, description of an adjustment in the carrying amount of recorded deposit assets or liabilities resulting from a change in the underlying assumptions on which calculation of the initial amount of expected recoveries (in other words, the initial amount of the deposit asset or liability) had been based.
Object type: cm:Concept
Data type: Text/String (xbrli:stringItemType)
Period type: For Period (duration)
Balance type: (no balance type)
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:DepositAssetsOrLiabilitiesChangeInAmountsBasedOnChangeInAssumptionsSupportingExpectedRecoveryAmounts

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Labels
Label Role Language
Deposit Assets or Liabilities, Change in Amounts Based on Change in Assumptions Supporting Expected Recovery Amounts http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 340 30 50 2 (b) http://fasb.org/us-gaap/role/ref/legacyRef 340