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LOANS AND ALLOWANCE FOR LOAN LOSSES - Allowances (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance:	$ 20,924	$ 23,478
Charge Offs	(739)	(7,380)
Recoveries	823	587
Net (charge offs) recoveries	84	(6,793)
Provision	17	4,239
Ending balance	21,025	20,924
Ending allowance balance attributable to loans:
Individually evaluated for impairment	3,030	1,527
Collectively evaluated for impairment	17,995	19,397
Total ending allowance balance	21,025	20,924
Loans:
Loans individually evaluated for impairment	11,647	10,589
Loans collectively evaluated for impairment	1,510,735	1,530,909
Total recorded investment in loans	1,522,382	1,541,498
Commercial, and Agricultural
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance:	4,493	10,227
Charge Offs	(28)	(4,068)
Recoveries	312	89
Net (charge offs) recoveries	284	(3,979)
Provision	(1,186)	(1,755)
Ending balance	3,591	4,493
Ending allowance balance attributable to loans:
Individually evaluated for impairment	1,394	1,401
Collectively evaluated for impairment	2,197	3,092
Total ending allowance balance	3,591	4,493
Loans:
Loans individually evaluated for impairment	2,427	3,400
Loans collectively evaluated for impairment	255,586	366,852
Total recorded investment in loans	258,013	370,252
Commercial Mortgages
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance:	11,496	8,869
Charge Offs	(43)	(2,143)
Recoveries	3	14
Net (charge offs) recoveries	(40)	(2,129)
Provision	2,100	4,756
Ending balance	13,556	11,496
Ending allowance balance attributable to loans:
Individually evaluated for impairment	1,571	74
Collectively evaluated for impairment	11,985	11,422
Total ending allowance balance	13,556	11,496
Loans:
Loans individually evaluated for impairment	7,967	5,117
Loans collectively evaluated for impairment	796,858	714,028
Total recorded investment in loans	804,825	719,145
Residential Mortgages
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance:	2,079	1,252
Charge Offs	(75)	(56)
Recoveries	10	86
Net (charge offs) recoveries	(65)	30
Provision	(211)	797
Ending balance	1,803	2,079
Ending allowance balance attributable to loans:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	1,803	2,079
Total ending allowance balance	1,803	2,079
Loans:
Loans individually evaluated for impairment	938	1,271
Loans collectively evaluated for impairment	259,029	238,742
Total recorded investment in loans	259,967	240,013
Consumer Loans
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance:	2,856	3,130
Charge Offs	(593)	(1,113)
Recoveries	498	398
Net (charge offs) recoveries	(95)	(715)
Provision	(686)	441
Ending balance	2,075	2,856
Ending allowance balance attributable to loans:
Individually evaluated for impairment	65	52
Collectively evaluated for impairment	2,010	2,804
Total ending allowance balance	2,075	2,856
Loans:
Loans individually evaluated for impairment	315	801
Loans collectively evaluated for impairment	199,262	211,287
Total recorded investment in loans	$ 199,577	$ 212,088

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