LOANS AND ALLOWANCE FOR LOAN LOSSES, Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Loans [Abstract]
Total loans	$ 847,916		$ 848,664
Less: Allowance for loan losses	(6,799)	$ (6,887)	(7,160)	$ (7,981)	$ (8,729)	$ (6,272)
Net loans	841,117		841,504
Residential Real Estate [Member]
Loans [Abstract]
Total loans	281,729		305,478
Less: Allowance for loan losses	(1,088)	(1,377)	(1,480)	(2,024)	(2,002)	(1,250)
Commercial Real Estate [Member]
Loans [Abstract]
Total loans	283,941		253,449
Less: Allowance for loan losses	(2,538)	(2,346)	(2,431)	(2,700)	(3,028)	(1,928)
Commercial Real Estate [Member] | Owner-occupied [Member]
Loans [Abstract]
Total loans	74,556		51,863
Commercial Real Estate [Member] | Nonowner-occupied [Member]
Loans [Abstract]
Total loans	176,775		164,523
Commercial Real Estate [Member] | Construction [Member]
Loans [Abstract]
Total loans	32,610		37,063
Commercial and Industrial [Member]
Loans [Abstract]
Total loans	143,757		157,692
Less: Allowance for loan losses	(1,740)	(1,791)	(1,776)	(1,649)	(2,045)	(1,447)
Commercial and Industrial [Member] | PPP [Member]
Loans [Abstract]
Total loans	8,531
Consumer [Member]
Loans [Abstract]
Total loans	138,489		132,045
Less: Allowance for loan losses	(1,433)	$ (1,373)	(1,473)	$ (1,608)	$ (1,654)	$ (1,647)
Consumer [Member] | Automobile [Member]
Loans [Abstract]
Total loans	53,413		55,241
Consumer [Member] | Home Equity [Member]
Loans [Abstract]
Total loans	20,852		19,993
Consumer [Member] | Other [Member]
Loans [Abstract]
Total loans	$ 64,224		$ 56,811