Allowance for Credit Losses - Non-accrual Basis By Loan Class (Details) - USD ($)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Loan loss allowances, financing receivable past due
Non-accrual loans, total	$ 169,136,000	$ 47,170,000	$ 51,648,000
Non-accrual loans with no credit allowance	76,313,000	6,001,000
Reduced interest income on non-accrual loans	12,661,000	6,614,000	$ 116,000
Commercial, financial and agricultural \| Domestic \| Commercial
Loan loss allowances, financing receivable past due
Non-accrual loans, total	52,110,000	30,872,000
Non-accrual loans with no credit allowance	51,276,000	122,000
Commercial real estate \| Domestic \| Commercial real estate construction development
Loan loss allowances, financing receivable past due
Non-accrual loans, total	8,195,000	15,701,000
Non-accrual loans with no credit allowance	73,000	5,400,000
Commercial real estate \| Domestic \| Commercial real estate: farmland & commercial
Loan loss allowances, financing receivable past due
Non-accrual loans, total	65,733,000	299,000
Non-accrual loans with no credit allowance	24,757,000	211,000
Commercial real estate \| Domestic \| Commercial real estate: multifamily
Loan loss allowances, financing receivable past due
Non-accrual loans, total	42,964,000	96,000
Non-accrual loans with no credit allowance	73,000	96,000
Real estate - mortgage \| Domestic \| Residential First Lien
Loan loss allowances, financing receivable past due
Non-accrual loans, total	134,000	202,000
Non-accrual loans with no credit allowance	$ 134,000	$ 172,000

Represents the reduction in interest income on recorded investment in financing receivables that are on nonaccrual status.

No definition available.

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Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

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Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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