Loans and Allowance for Credit Losses - Loan Modifications not Classified as TDRs (Details) $ in Thousands	Dec. 31, 2021 USD ($) contract	Dec. 31, 2020 USD ($) contract
Receivables [Abstract]
Portfolio loans, Interest only \| $	$ 49,219	$ 43,379
Portfolio loans, Full Payment Deferral \| $	31	22,165
Portfolio loans, Total \| $	$ 49,250	$ 65,544
Number of modifications, Interest Only \| contract	16,000	23,000
Number of modifications, Full Payment Deferral \| contract	1,000	11,000
Number of modifications, Total \| contract	17,000	34,000

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