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Summary of Significant Accounting Policies - CECL Adoption Narrative (Details) - Cumulative Effect, Period of Adoption, Adjustment - Accounting Standards Update 2016-13 $ in Thousands | 3 Months Ended
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Dec. 31, 2020 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Increase in allowance for credit loss | $ 1,600
Increase in allowance for unfunded loan commitments | $ 122

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- Definition Amount of expense (reversal of expense) for expected credit loss on off-balance sheet commitment, from change in methodology. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 11 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447 + Details
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