LOANS - Impaired Loan Data (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Unpaid Contractual Principal Balance
With No Related Allowance Recorded	$ 3,856	$ 8,298
With An Allowance Recorded	474	1,115
Loans Including Purchased Credit Impaired Loans	5,128	11,612
Recorded investment
With No Related Allowance Recorded	3,856	7,503
With An Allowance Recorded	474	1,256
Loans Including Purchased Credit Impaired Loans	5,128	10,748
Related allowance
With An Allowance Recorded	44	256
Total Impaired Loans	77	376
Average Recorded Investment
With No Related Allowance Recorded	6,198	13,563
With An Allowance Recorded	1,637	5,538
Loans Including Purchased Credit Impaired Loans	8,673	20,068
Purchase credit impaired
Unpaid Contractual Principal Balance
Loans Including Purchased Credit Impaired Loans	798	2,199
Recorded investment
Loans Including Purchased Credit Impaired Loans	798	1,989
Related allowance
With An Allowance Recorded	33	120
Purchased Credit Impaired Loans	33	120
Average Recorded Investment
Loans Including Purchased Credit Impaired Loans	838	967
Construction, land & land development
Unpaid Contractual Principal Balance
With No Related Allowance Recorded	40	62
With An Allowance Recorded	474	0
Loans Including Purchased Credit Impaired Loans	514	62
Recorded investment
With No Related Allowance Recorded	40	62
With An Allowance Recorded	474	0
Loans Including Purchased Credit Impaired Loans	514	62
Related allowance
With An Allowance Recorded	44	0
Total Impaired Loans	44	0
Average Recorded Investment
With No Related Allowance Recorded	10	4,311
With An Allowance Recorded	177	0
Loans Including Purchased Credit Impaired Loans	187	4,362
Construction, land & land development | Purchase credit impaired
Unpaid Contractual Principal Balance
Loans Including Purchased Credit Impaired Loans	0	0
Recorded investment
Loans Including Purchased Credit Impaired Loans	0	0
Related allowance
With An Allowance Recorded	0	0
Purchased Credit Impaired Loans	0	0
Average Recorded Investment
Loans Including Purchased Credit Impaired Loans	0	51
Other commercial real estate
Unpaid Contractual Principal Balance
With No Related Allowance Recorded	3,754	7,203
With An Allowance Recorded	0	430
Loans Including Purchased Credit Impaired Loans	4,552	9,636
Recorded investment
With No Related Allowance Recorded	3,754	6,369
With An Allowance Recorded	0	483
Loans Including Purchased Credit Impaired Loans	4,552	8,768
Related allowance
With An Allowance Recorded	0	148
Total Impaired Loans	33	166
Average Recorded Investment
With No Related Allowance Recorded	5,311	8,113
With An Allowance Recorded	503	4,429
Loans Including Purchased Credit Impaired Loans	6,574	13,344
Other commercial real estate | Purchase credit impaired
Unpaid Contractual Principal Balance
Loans Including Purchased Credit Impaired Loans	798	2,003
Recorded investment
Loans Including Purchased Credit Impaired Loans	798	1,916
Related allowance
With An Allowance Recorded	33	18
Purchased Credit Impaired Loans	33	18
Average Recorded Investment
Loans Including Purchased Credit Impaired Loans	760	802
Residential real estate
Unpaid Contractual Principal Balance
With No Related Allowance Recorded	62	958
With An Allowance Recorded	0	685
Loans Including Purchased Credit Impaired Loans	62	1,647
Recorded investment
With No Related Allowance Recorded	62	997
With An Allowance Recorded	0	773
Loans Including Purchased Credit Impaired Loans	62	1,770
Related allowance
With An Allowance Recorded	0	108
Total Impaired Loans	0	114
Average Recorded Investment
With No Related Allowance Recorded	570	1,083
With An Allowance Recorded	588	1,029
Loans Including Purchased Credit Impaired Loans	1,171	2,119
Residential real estate | Purchase credit impaired
Unpaid Contractual Principal Balance
Loans Including Purchased Credit Impaired Loans	0	4
Recorded investment
Loans Including Purchased Credit Impaired Loans	0	0
Related allowance
With An Allowance Recorded	0	6
Purchased Credit Impaired Loans	0	6
Average Recorded Investment
Loans Including Purchased Credit Impaired Loans	13	7
Commercial, financial & agricultural
Unpaid Contractual Principal Balance
With No Related Allowance Recorded	0	75
With An Allowance Recorded	0	0
Loans Including Purchased Credit Impaired Loans	0	75
Recorded investment
With No Related Allowance Recorded	0	75
With An Allowance Recorded	0	0
Loans Including Purchased Credit Impaired Loans	0	75
Related allowance
With An Allowance Recorded	0	0
Total Impaired Loans	0	0
Average Recorded Investment
With No Related Allowance Recorded	306	56
With An Allowance Recorded	369	79
Loans Including Purchased Credit Impaired Loans	675	170
Commercial, financial & agricultural | Purchase credit impaired
Unpaid Contractual Principal Balance
Loans Including Purchased Credit Impaired Loans	0	0
Recorded investment
Loans Including Purchased Credit Impaired Loans	0	0
Related allowance
With An Allowance Recorded	0	0
Purchased Credit Impaired Loans	0	0
Average Recorded Investment
Loans Including Purchased Credit Impaired Loans	0	35
Consumer & other
Unpaid Contractual Principal Balance
With No Related Allowance Recorded	0	0
With An Allowance Recorded	0	0
Loans Including Purchased Credit Impaired Loans	0	192
Recorded investment
With No Related Allowance Recorded	0	0
With An Allowance Recorded	0	0
Loans Including Purchased Credit Impaired Loans	0	73
Related allowance
With An Allowance Recorded	0	0
Total Impaired Loans	0	96
Average Recorded Investment
With No Related Allowance Recorded	1	0
With An Allowance Recorded	0	1
Loans Including Purchased Credit Impaired Loans	66	73
Consumer & other | Purchase credit impaired
Unpaid Contractual Principal Balance
Loans Including Purchased Credit Impaired Loans	0	192
Recorded investment
Loans Including Purchased Credit Impaired Loans	0	73
Related allowance
With An Allowance Recorded	0	96
Purchased Credit Impaired Loans	0	96
Average Recorded Investment
Loans Including Purchased Credit Impaired Loans	$ 65	$ 72