Loans and Allowance for Credit Losses - Loan Modifications not Classified as TDRs (Details) $ in Thousands	Mar. 31, 2022 USD ($) contract	Dec. 31, 2021 USD ($) contract
Receivables [Abstract]
Portfolio loans: Interest Only \| $	$ 45,074	$ 49,219
Portfolio loans: Full Payment Deferral \| $	0	0
Portfolio loans: Total \| $	$ 45,074	$ 49,219
Number of modifications: Interest Only \| contract	13,000	16,000
Number of modifications: Full Payment Deferral \| contract	0	0
Number of modifications: Total \| contract	13,000	16,000

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