Loans and Allowance for Credit Losses - Loan Modifications not Classified as TDRs (Details) $ in Thousands	Mar. 31, 2023 USD ($) security	Dec. 31, 2022 USD ($) security
Financing Receivable, Troubled Debt Restructuring [Line Items]
Portfolio loans	$ 0	$ 5,100
COVID-19 Loan Modifications
Financing Receivable, Troubled Debt Restructuring [Line Items]
Portfolio loans	$ 999	$ 999
Number of modifications | security	1	1
Interest Only | COVID-19 Loan Modifications
Financing Receivable, Troubled Debt Restructuring [Line Items]
Portfolio loans	$ 999	$ 999
Number of modifications | security	1	1
Full Payment Deferral | COVID-19 Loan Modifications
Financing Receivable, Troubled Debt Restructuring [Line Items]
Portfolio loans	$ 0	$ 0
Number of modifications | security	0	0