Allowance for Credit Losses - Non-accrual Basis By Loan Class (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Loan loss allowances, financing receivable past due
Non-accrual loans, total	$ 100,519	$ 47,170
Non-accrual loans with no credit allowance	44,234	963
Commercial, financial and agricultural \| Domestic \| Commercial
Loan loss allowances, financing receivable past due
Non-accrual loans, total	1,282	30,872
Non-accrual loans with no credit allowance	398	122
Commercial, financial and agricultural \| Domestic \| Commercial real estate: farmland & commercial
Loan loss allowances, financing receivable past due
Non-accrual loans, total	50,831	299
Non-accrual loans with no credit allowance	18,486	299
Commercial, financial and agricultural \| Domestic \| Commercial real estate: multifamily
Loan loss allowances, financing receivable past due
Non-accrual loans, total	38,246	96
Non-accrual loans with no credit allowance	25,142	96
Real Estate - construction \| Domestic \| Commercial Real Estate: other construction and land development
Loan loss allowances, financing receivable past due
Non-accrual loans, total	10,027	15,701
Non-accrual loans with no credit allowance	75	244
Real estate - mortgage \| Domestic \| Residential First Lien
Loan loss allowances, financing receivable past due
Non-accrual loans, total	133	202
Non-accrual loans with no credit allowance	$ 133	$ 202

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

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