Loans and Allowance for Credit Losses - Nonaccrual and Past Due Greater than 90 Days (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	$ 42,950	$ 38,116
Financing Receivable, Nonaccrual, No Allowance	5,279	9,043
Financing Receivable, 90 Days or More Past Due, Still Accruing	4,969	4,406
Commercial real estate - owner occupied
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	5,091	1,882
Financing Receivable, Nonaccrual, No Allowance	2,339	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial real estate - non-owner occupied
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	1,794	2,244
Financing Receivable, Nonaccrual, No Allowance	1,641	1,040
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Consumer real estate – mortgage
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	19,654	17,330
Financing Receivable, Nonaccrual, No Allowance	1,299	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Construction and land development
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	0	231
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial and industrial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	16,329	16,345
Financing Receivable, Nonaccrual, No Allowance	0	8,003
Financing Receivable, 90 Days or More Past Due, Still Accruing	3,608	3,663
Consumer and other
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	82	84
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	$ 1,361	$ 743