LOAN PERFORMANCE - Outstanding Troubled debt restructurings and other loans individually evaluated (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Restructured loans
Accruing TDR	$ 32,880,000	$ 8,441,000
Non-Accrual TDR	19,173,000	393,000
Total TDR	52,053,000	8,834,000
Other Non-Accrual	4,844,000	584,000
Other Accruing	746,000	3,499,000
Total Individually Evaluated	57,643,000	12,917,000
Commercial and industrial
Restructured loans
Accruing TDR	2,594,000	397,000
Non-Accrual TDR	8,228,000	282,000
Total TDR	10,822,000	679,000
Other Non-Accrual	4,360,000	314,000
Other Accruing	746,000	6,000
Total Individually Evaluated	15,928,000	999,000
Commercial real estate
Restructured loans
Accruing TDR	8,103,000	1,337,000
Non-Accrual TDR	10,601,000
Total TDR	18,704,000	1,337,000
Other Non-Accrual	64,000	67,000
Total Individually Evaluated	18,768,000	1,404,000
Construction and development
Restructured loans
Accruing TDR	12,648,000
Non-Accrual TDR	238,000
Total TDR	12,886,000
Total Individually Evaluated	12,886,000
1-4 family residential
Restructured loans
Accruing TDR	1,684,000	54,000
Non-Accrual TDR	106,000	111,000
Total TDR	1,790,000	165,000
Other Non-Accrual	420,000	203,000
Other Accruing		3,283,000
Total Individually Evaluated	2,210,000	3,651,000
Other
Restructured loans
Accruing TDR	7,851,000	6,653,000
Total TDR	7,851,000	6,653,000
Total Individually Evaluated	7,851,000	6,653,000
Consumer
Restructured loans
Other Accruing		210,000
Total Individually Evaluated		210,000
Unfunded Commitment
Restructured loans
Commitment to fund on loans that were previously restructured	$ 593,000	$ 2,000,000.0