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cm:Concept: us-gaap:DebtSecuritiesAvailableForSaleMaturityRollingAfter10YearsWeightedAverageYield
Standard label: Debt Securities, Available-for-sale, Maturity, Rolling after 10 Years, Weighted Average Yield
Name: us-gaap:DebtSecuritiesAvailableForSaleMaturityRollingAfter10YearsWeightedAverageYield
Documentation: Weighted average yield of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing after tenth 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:DebtSecuritiesAvailableForSaleMaturityRollingAfter10YearsWeightedAverageYield

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Labels
Label Role Language
Debt Securities, Available-for-sale, Maturity, Rolling after 10 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