Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Loans and Allowance for Credit Losses - Schedule of Collateral Loan (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	$ 21,780	$ 22,044	$ 23,675	$ 23,744
Commercial, Financial, and Agricultural
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	1,447	1,560	3,374	3,208
Real estate construction − residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	583	578	672	1,043
Real estate mortgage − residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	5,134	5,310	5,109	5,264
Real estate mortgage − commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	12,608	12,305	$ 12,857	$ 10,537
Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	519	519
Real Estate \| Commercial, Financial, and Agricultural
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0	0
Real Estate \| Real estate construction − residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	454	454
Real Estate \| Real estate mortgage − commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	65	65
Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	766	766
Other \| Commercial, Financial, and Agricultural
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	766	766
Other \| Real estate construction − residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0	0
Other \| Real estate mortgage − commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0	0
Allowance Allocated
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	319	319
Allowance Allocated \| Commercial, Financial, and Agricultural
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	125	125
Allowance Allocated \| Real estate construction − residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	194	194
Allowance Allocated \| Real estate mortgage − commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	$ 0	$ 0