LOANS - Modifications of Loans Performing (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	$ 3,774,157	$ 2,959,553
Past Due 90 Days or More and Still Accruing	289	45
Nonaccrual	10,430	23,418	$ 0
Total	21,751	24,158	27,500
TDRs allowance for loan losses	841	4,300	$ 4,100
TDR total allowance	841	4,307
Financial Asset, Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	14,701	5,220
TDRs allowance for loan losses	350	90
Financial Asset, Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due 30-89	0	0
Past Due 90 Days or More and Still Accruing	0	0
Nonaccrual	7,050	18,938
Allowance for credit losses current nonaccrual status	491	4,217
Commercial, financial and agriculture
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	536,192	397,516
Past Due 90 Days or More and Still Accruing	0	0
Nonaccrual	19	190
Total	49	170
Commercial, financial and agriculture | Financial Asset, Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	49	63
Commercial, financial and agriculture | Financial Asset, Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due 30-89	0	0
Past Due 90 Days or More and Still Accruing	0	0
Nonaccrual	0	107
Commercial Real Estate Portfolio Segment
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	19,682	20,225
Commercial Real Estate Portfolio Segment | Financial Asset, Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	13,561	3,367
Commercial Real Estate Portfolio Segment | Financial Asset, Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due 30-89	0	0
Past Due 90 Days or More and Still Accruing	0	0
Nonaccrual	6,121	16,858
Consumer real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	1,058,999	838,654
Past Due 90 Days or More and Still Accruing	289	45
Nonaccrual	2,965	3,776
Total	2,006	3,745
Consumer real estate | Financial Asset, Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	1,077	1,772
Consumer real estate | Financial Asset, Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due 30-89	0	0
Past Due 90 Days or More and Still Accruing	0	0
Nonaccrual	929	1,973
Consumer installment
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	43,703	39,685
Past Due 90 Days or More and Still Accruing	0	0
Nonaccrual	1	7
Total	14	18
Consumer installment | Financial Asset, Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans held for investment	14	18
Consumer installment | Financial Asset, Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due 30-89	0	0
Past Due 90 Days or More and Still Accruing	0	0
Nonaccrual	$ 0	$ 0