LOAN PERFORMANCE - Outstanding Troubled debt restructurings and other loans individually evaluated (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Restructured loans
Accruing TDR	$ 30,709,000	$ 32,880,000
Non-Accrual TDR	20,019,000	19,173,000
Total TDR	50,728,000	52,053,000
Other Non-Accrual	2,549,000	4,844,000
Other Accruing	5,995,000	746,000
Total Individually Evaluated	59,272,000	57,643,000
Commercial and industrial
Restructured loans
Accruing TDR	5,661,000	2,594,000
Non-Accrual TDR	6,851,000	8,228,000
Total TDR	12,512,000	10,822,000
Other Non-Accrual	2,239,000	4,360,000
Other Accruing	1,828,000	746,000
Total Individually Evaluated	16,579,000	15,928,000
Commercial real estate
Restructured loans
Accruing TDR	5,755,000	8,103,000
Non-Accrual TDR	11,401,000	10,601,000
Total TDR	17,156,000	18,704,000
Other Non-Accrual	111,000	64,000
Other Accruing	3,790,000
Total Individually Evaluated	21,057,000	18,768,000
Construction and development
Restructured loans
Accruing TDR	12,282,000	12,648,000
Non-Accrual TDR		238,000
Total TDR	12,282,000	12,886,000
Other Non-Accrual	142,000
Other Accruing	292,000
Total Individually Evaluated	12,716,000	12,886,000
1-4 family residential
Restructured loans
Accruing TDR	1,571,000	1,684,000
Non-Accrual TDR	1,727,000	106,000
Total TDR	3,298,000	1,790,000
Other Non-Accrual	57,000	420,000
Total Individually Evaluated	3,355,000	2,210,000
Consumer
Restructured loans
Non-Accrual TDR	40,000
Total TDR	40,000
Other Accruing	85,000
Total Individually Evaluated	125,000
Other:
Restructured loans
Accruing TDR	5,440,000	7,851,000
Total TDR	5,440,000	7,851,000
Total Individually Evaluated	5,440,000	7,851,000
Unfunded Commitment
Restructured loans
Commitment to fund on loans that were previously restructured	$ 2,500,000	$ 593,000