Basis of Presentation and Risks and Uncertainties (Details) $ in Millions	9 Months Ended
Sep. 30, 2020 USD ($) loan	Jun. 30, 2020 USD ($) loan
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Deferral period	90 days
Number of loans with processed payment deferrals \| loan	207	1,483
Aggregate loan balance of loans processed payment deferrals	$ 186.0	$ 774.0
Second deferrals	158.0
Processed for payment deferrals, principal amount	$ 100.0
Number of PPP loans approved \| loan	2,810
PPP loans approved and funded	$ 244.9

Financing Receivable, Aggregate Loan Balance Of SBA Paycheck Protection Program Loans Approved

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Financing Receivable, Cumulative Aggregate Loan Balance Of Loans Processed For Payment Deferrals Since COVID-19

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Financing Receivable, Cumulative Aggregate Principal Balance Processed For Payment Deferrals

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Financing Receivable, Number Of SBA Paycheck Protection Program Loans Approved

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