Loans and Allowance for Credit Losses - Nonaccrual and Past Due Greater than 90 Days (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	$ 108,325	$ 82,288
Financing Receivable, Nonaccrual, No Allowance	23,215	41,310
Financing Receivable, 90 Days or More Past Due, Still Accruing	5,273	6,004
Commercial real estate - owner occupied
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	10,707	3,452
Financing Receivable, Nonaccrual, No Allowance	5,888	122
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	52,599	41,343
Financing Receivable, Nonaccrual, No Allowance	13,771	40,669
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Consumer real estate – mortgage
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	23,630	17,879
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	781
Construction and land development
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	701	608
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial and Industrial Portfolio Segment [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	20,539	18,931
Financing Receivable, Nonaccrual, No Allowance	3,556	519
Financing Receivable, 90 Days or More Past Due, Still Accruing	4,124	3,802
Consumer and other
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	149	75
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	$ 1,149	$ 1,421