Loans and Allowance for Credit Losses - Summary of Loans by Major Class (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Loans and Allowance for Loan Losses
Loans held for investment	$ 1,563,206	$ 1,521,252
Commercial, financial, & agricultural
Loans and Allowance for Loan Losses
Loans held for investment	233,029	244,549
Real estate construction − residential
Loans and Allowance for Loan Losses
Loans held for investment	51,884	32,095
Real estate construction − commercial
Loans and Allowance for Loan Losses
Loans held for investment	127,761	137,235
Real estate mortgage − residential
Loans and Allowance for Loan Losses
Loans held for investment	383,439	361,025
Real estate mortgage − commercial
Loans and Allowance for Loan Losses
Loans held for investment	744,771	722,729
Installment and other consumer
Loans and Allowance for Loan Losses
Loans held for investment	$ 22,322	$ 23,619