Loans and Allowance for Credit Losses - Schedule of Non-accrual Loans (Details) - Non-performing TDRs - 90 days past due - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Non-accrual with no Allowance	$ 0	$ 0
Non-accrual with Allowance	2,256	2,537
Total Non-accrual	2,256	2,537
90 Days Past Due And Still Accruing	505	210
Total Non-performing Loans	2,761	2,747
Commercial, Financial, and Agricultural
Financing Receivable, Allowance for Credit Loss [Line Items]
Non-accrual with no Allowance	0	0
Non-accrual with Allowance	1,006	923
Total Non-accrual	1,006	923
90 Days Past Due And Still Accruing	0	0
Total Non-performing Loans	1,006	923
Real estate construction − residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Non-accrual with no Allowance		0
Non-accrual with Allowance		454
Total Non-accrual		454
90 Days Past Due And Still Accruing		0
Total Non-performing Loans		454
Real estate construction − commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Non-accrual with no Allowance		0
Non-accrual with Allowance		49
Total Non-accrual		49
90 Days Past Due And Still Accruing		0
Total Non-performing Loans		49
Real estate mortgage − residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Non-accrual with no Allowance	0	0
Non-accrual with Allowance	1,026	963
Total Non-accrual	1,026	963
90 Days Past Due And Still Accruing	498	207
Total Non-performing Loans	1,524	1,170
Real estate mortgage − commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Non-accrual with no Allowance	0	0
Non-accrual with Allowance	208	138
Total Non-accrual	208	138
90 Days Past Due And Still Accruing	0	0
Total Non-performing Loans	208	138
Installment and other consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Non-accrual with no Allowance	0	0
Non-accrual with Allowance	16	10
Total Non-accrual	16	10
90 Days Past Due And Still Accruing	7	3
Total Non-performing Loans	$ 23	$ 13