Loans and Allowance for Credit Losses - Troubled Debt Restructurings, Excluding Loans Acquired, Segregated by Class of Loans (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) loan	Dec. 31, 2021 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	4	4
Loans, Excluding Acquired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	37	49
Troubled debt, balance | $	$ 3,471	$ 6,939
Loans, Excluding Acquired Loans | Accruing TDR Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	24	31
Troubled debt, balance | $	$ 1,849	$ 4,289
Loans, Excluding Acquired Loans | Nonaccrual TDR Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	13	18
Troubled debt, balance | $	$ 1,622	$ 2,650
Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	4	4
Real Estate | Loans, Excluding Acquired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	36	45
Troubled debt, balance | $	$ 3,438	$ 5,097
Real Estate | Loans, Excluding Acquired Loans | Accruing TDR Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	24	29
Troubled debt, balance | $	$ 1,849	$ 3,853
Real Estate | Loans, Excluding Acquired Loans | Nonaccrual TDR Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	12	16
Troubled debt, balance | $	$ 1,589	$ 1,244
Real Estate | Single family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	4	3
Real Estate | Single family residential | Loans, Excluding Acquired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	36	42
Troubled debt, balance | $	$ 3,438	$ 4,283
Real Estate | Single family residential | Loans, Excluding Acquired Loans | Accruing TDR Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	24	28
Troubled debt, balance | $	$ 1,849	$ 3,087
Real Estate | Single family residential | Loans, Excluding Acquired Loans | Nonaccrual TDR Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	12	14
Troubled debt, balance | $	$ 1,589	$ 1,196
Real Estate | Other commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	0	1
Real Estate | Other commercial | Loans, Excluding Acquired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	0	3
Troubled debt, balance | $	$ 0	$ 814
Real Estate | Other commercial | Loans, Excluding Acquired Loans | Accruing TDR Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	0	1
Troubled debt, balance | $	$ 0	$ 766
Real Estate | Other commercial | Loans, Excluding Acquired Loans | Nonaccrual TDR Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	0	2
Troubled debt, balance | $	$ 0	$ 48
Commercial | Loans, Excluding Acquired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	1	4
Troubled debt, balance | $	$ 33	$ 1,842
Commercial | Loans, Excluding Acquired Loans | Accruing TDR Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	0	2
Troubled debt, balance | $	$ 0	$ 436
Commercial | Loans, Excluding Acquired Loans | Nonaccrual TDR Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	1	2
Troubled debt, balance | $	$ 33	$ 1,406
Commercial | Commercial | Loans, Excluding Acquired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	1	4
Troubled debt, balance | $	$ 33	$ 1,842
Commercial | Commercial | Loans, Excluding Acquired Loans | Accruing TDR Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	0	2
Troubled debt, balance | $	$ 0	$ 436
Commercial | Commercial | Loans, Excluding Acquired Loans | Nonaccrual TDR Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	1	2
Troubled debt, balance | $	$ 33	$ 1,406