Loans - Recorded Investment in Nonperforming Loans by Category (Details) - Non-Covered Loans - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	$ 35,501	$ 43,181
Loans over 90 days past due and still accruing interest	141	547
Total nonperforming loans	35,642	43,728
Nonaccrual loans with no allowance	27,351	36,078
Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	22,766	26,426
Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	4,124	5,202
Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	2,435	7,641
Loans over 90 days past due and still accruing interest	115	115
Total nonperforming loans	2,550	7,756
Nonaccrual loans with no allowance	2,315	6,179
Commercial and industrial \| Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	350	527
Commercial and industrial \| Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	1,864	1,864
Commercial - investor owned
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	19,380	20,404
Loans over 90 days past due and still accruing interest	0	0
Total nonperforming loans	19,380	20,404
Nonaccrual loans with no allowance	16,240	19,466
Commercial - investor owned \| Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	18,443	19,467
Commercial - investor owned \| Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	0	0
CRE - owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	12,481	12,972
Loans over 90 days past due and still accruing interest	0	363
Total nonperforming loans	12,481	13,335
Nonaccrual loans with no allowance	8,333	9,010
CRE - owner occupied \| Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	3,973	5,904
CRE - owner occupied \| Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	1,518	1,638
Construction and land development
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	1,205	1,205
Loans over 90 days past due and still accruing interest	0	64
Total nonperforming loans	1,205	1,269
Nonaccrual loans with no allowance	463	464
Construction and land development \| Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	0	528
Construction and land development \| Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	742	741
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual		959
Loans over 90 days past due and still accruing interest		0
Total nonperforming loans		959
Nonaccrual loans with no allowance		959
Residential real estate \| Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans		0
Residential real estate \| Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans		959
Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	0	0
Loans over 90 days past due and still accruing interest	26	5
Total nonperforming loans	26	5
Nonaccrual loans with no allowance	$ 0	$ 0

Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

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