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cm:Concept: us-gaap:DebtSecuritiesHeldToMaturityMaturityRollingAfterOneThroughFiveYearsWeightedAverageYield
Standard label: Debt Securities, Held-to-maturity, Maturity, Rolling after One Through Five Years, Weighted Average Yield
Name: us-gaap:DebtSecuritiesHeldToMaturityMaturityRollingAfterOneThroughFiveYearsWeightedAverageYield
Documentation: Weighted average yield of investment in debt security measured at amortized cost (held-to-maturity), maturing in second through fifth rolling fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.
Object type: cm:Concept
Data type: Percent (num:percentItemType)
Period type: As Of (instant)
Balance type: (no balance type)
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:DebtSecuritiesHeldToMaturityMaturityRollingAfterOneThroughFiveYearsWeightedAverageYield

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Labels
Label Role Language
Debt Securities, Held-to-maturity, Maturity, Rolling after One Through Five Years, Weighted Average Yield http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
SEC Industry Guide 3 II B http://www.xbrl.org/2009/role/commonPracticeRef 320