Loans and Allowance for Credit Losses on Loans HFI - Schedule of Amortized Cost, Related Allowance and Interest Income of Non-accrual Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Financing Receivable, Past Due [Line Items]
Nonaccrual with no related allowance	$ 38,152	$ 26,219
Nonaccrual with related allowance	86,225	61,502
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Nonaccrual with no related allowance	13,570	862
Nonaccrual with related allowance	7,376	5,427
Construction
Financing Receivable, Past Due [Line Items]
Nonaccrual with no related allowance	1,653	14,617
Nonaccrual with related allowance	27,928	19,591
Residential real estate: \| 1-to-4 family mortgage
Financing Receivable, Past Due [Line Items]
Nonaccrual with no related allowance	0	0
Nonaccrual with related allowance	12,422	8,763
Residential real estate: \| Residential line of credit
Financing Receivable, Past Due [Line Items]
Nonaccrual with no related allowance	0	0
Nonaccrual with related allowance	1,159	1,215
Residential real estate: \| Multi-family mortgage
Financing Receivable, Past Due [Line Items]
Nonaccrual with no related allowance	7,408	7,613
Nonaccrual with related allowance	10	586
Commercial real estate: \| Owner-occupied
Financing Receivable, Past Due [Line Items]
Nonaccrual with no related allowance	5,935	1,095
Nonaccrual with related allowance	9,772	9,511
Commercial real estate: \| Non-owner occupied
Financing Receivable, Past Due [Line Items]
Nonaccrual with no related allowance	9,586	2,032
Nonaccrual with related allowance	12,974	2,482
Consumer and other
Financing Receivable, Past Due [Line Items]
Nonaccrual with no related allowance	0	0
Nonaccrual with related allowance	$ 14,584	$ 13,927