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Loans and Allowance for Credit Losses - Schedule of Collateral Loan (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	$ 20,933	$ 21,111	$ 21,780	$ 22,044
Commercial, Financial, & Agricultural
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	4,329	3,655	1,447	1,560
Real estate mortgage − residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	4,389	4,823	5,134	5,310
Real Estate Mortgage - Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	9,172	9,839	$ 12,608	$ 12,305
Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	3,906	3,914
Real Estate \| Commercial, Financial, & Agricultural
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0	0
Real Estate \| Real estate mortgage − residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	3,906	3,914
Real Estate \| Real Estate Mortgage - Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0
Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	3,437	3,558
Other \| Commercial, Financial, & Agricultural
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	3,437	3,558
Other \| Real estate mortgage − 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
Allowance Allocated
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	2,120	1,909
Allowance Allocated \| Commercial, Financial, & Agricultural
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	2,078	1,477
Allowance Allocated \| Real estate mortgage − residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	42	$ 432
Allowance Allocated \| Real Estate Mortgage - Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance Allocated	$ 0