LOANS - Loans and Allowance, Broken Down by Portfolio Segment (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	$ 3,774,157	$ 2,959,553
Allowance for Loan Losses	38,917	30,742	$ 35,820
Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	2,135,263	1,683,698
Allowance for Loan Losses	20,389	17,552	24,319
Consumer real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	1,058,999	838,654
Allowance for Loan Losses	11,599	7,889	4,736
Commercial, financial and agriculture
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	536,192	397,516
Allowance for Loan Losses	6,349	4,873	6,214
Consumer installment
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	43,703	39,685
Allowance for Loan Losses	580	428	$ 551
Individually evaluated
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	5,558	3,570
Allowance for Loan Losses	5	6
Individually evaluated | Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	4,560	1,712
Allowance for Loan Losses	0	4
Individually evaluated | Consumer real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	998	1,858
Allowance for Loan Losses	5	2
Individually evaluated | Commercial, financial and agriculture
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	0	0
Allowance for Loan Losses	0	0
Individually evaluated | Consumer installment
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	0	0
Allowance for Loan Losses	0	0
Collectively evaluated
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	3,768,599	2,955,983
Allowance for Loan Losses	38,912	30,736
Collectively evaluated | Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	2,130,703	1,681,986
Allowance for Loan Losses	20,389	17,548
Collectively evaluated | Consumer real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	1,058,001	836,796
Allowance for Loan Losses	11,594	7,887
Collectively evaluated | Commercial, financial and agriculture
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	536,192	397,516
Allowance for Loan Losses	6,349	4,873
Collectively evaluated | Consumer installment
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans held for investment	43,703	39,685
Allowance for Loan Losses	$ 580	$ 428