LOANS, Allowance for Loan Losses and Recorded Investment in Loans by Portfolio Segment Based on Impairment Method (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	$ 1,221,000	$ 999,000
Collectively evaluated for impairment, allowance for loan losses	12,806,000	12,517,000
Total allowance for loan losses	14,027,000	13,516,000	$ 13,856,000	$ 13,542,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	8,376,000	4,429,000
Collectively evaluated for impairment, loan balances	1,248,424,000	1,203,985,000
Total loans	1,261,908,000	1,214,378,000
Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses [Abstract]
Total allowance for loan losses	0	0
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	71,000	689,000
Total loans	5,108,000	5,964,000
Residential Real Estate [Member]
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	0	0
Collectively evaluated for impairment, allowance for loan losses	2,111,000	2,071,000
Total allowance for loan losses	2,111,000	2,071,000	1,838,000	1,711,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	56,000	57,000
Collectively evaluated for impairment, loan balances	377,598,000	376,510,000
Total loans	379,679,000	378,659,000
Residential Real Estate [Member] | Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses [Abstract]
Total allowance for loan losses	0	0
Loans Balances [Abstract]
Total loans	2,025,000	2,092,000
Multifamily Real Estate [Member]
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	0	0
Collectively evaluated for impairment, allowance for loan losses	166,000	184,000
Total allowance for loan losses	166,000	184,000	2,104,000	1,954,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	0	0
Collectively evaluated for impairment, loan balances	33,414,000	37,978,000
Total loans	33,414,000	37,978,000
Multifamily Real Estate [Member] | Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses [Abstract]
Total allowance for loan losses	0	0
Loans Balances [Abstract]
Total loans	0	0
Commercial Real Estate [Member] | Owner Occupied [Member]
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	291,000	240,000
Collectively evaluated for impairment, allowance for loan losses	2,679,000	2,634,000
Total allowance for loan losses	2,970,000	2,874,000	2,220,000	2,441,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	3,797,000	1,981,000
Collectively evaluated for impairment, loan balances	169,729,000	161,713,000
Total loans	174,206,000	164,706,000
Commercial Real Estate [Member] | Owner Occupied [Member] | Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses [Abstract]
Total allowance for loan losses	0	0
Loans Balances [Abstract]
Total loans	680,000	1,012,000
Commercial Real Estate [Member] | Non-Owner Occupied [Member]
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	653,000	385,000
Collectively evaluated for impairment, allowance for loan losses	4,975,000	4,744,000
Total allowance for loan losses	5,628,000	5,129,000	3,642,000	3,184,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	4,123,000	1,843,000
Collectively evaluated for impairment, loan balances	326,636,000	324,831,000
Total loans	332,765,000	329,031,000
Commercial Real Estate [Member] | Non-Owner Occupied [Member] | Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses [Abstract]
Total allowance for loan losses	0	0
Loans Balances [Abstract]
Total loans	2,006,000	2,357,000
Commercial and Industrial [Member]
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	277,000	374,000
Collectively evaluated for impairment, allowance for loan losses	1,108,000	1,164,000
Total allowance for loan losses	1,385,000	1,538,000	1,817,000	1,767,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	400,000	548,000
Collectively evaluated for impairment, loan balances	86,809,000	89,498,000
Total loans	87,223,000	90,062,000
Commercial and Industrial [Member] | Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses [Abstract]
Total allowance for loan losses	0	0
Loans Balances [Abstract]
Total loans	14,000	16,000
SBA PPP [Member]
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	0	0
Collectively evaluated for impairment, allowance for loan losses	0	0
Total allowance for loan losses	0	0
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	0	0
Collectively evaluated for impairment, loan balances	98,298,000	61,169,000
Total loans	98,298,000	61,169,000
SBA PPP [Member] | Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses [Abstract]
Total allowance for loan losses	0	0
Loans Balances [Abstract]
Total loans	0	0
Consumer [Member]
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	0	0
Collectively evaluated for impairment, allowance for loan losses	205,000	226,000
Total allowance for loan losses	205,000	226,000	241,000	281,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	0	0
Collectively evaluated for impairment, loan balances	21,997,000	23,975,000
Total loans	22,005,000	23,984,000
Consumer [Member] | Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses [Abstract]
Total allowance for loan losses	0	0
Loans Balances [Abstract]
Total loans	8,000	9,000
Construction and Land [Member]
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	0	0
Collectively evaluated for impairment, allowance for loan losses	1,022,000	946,000
Total allowance for loan losses	1,022,000	946,000	1,412,000	1,724,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	0	0
Collectively evaluated for impairment, loan balances	98,457,000	92,280,000
Total loans	98,794,000	92,648,000
Construction and Land [Member] | Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses [Abstract]
Total allowance for loan losses	0	0
Loans Balances [Abstract]
Total loans	337,000	368,000
All Other [Member]
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	0	0
Collectively evaluated for impairment, allowance for loan losses	540,000	548,000
Total allowance for loan losses	540,000	548,000	$ 582,000	$ 480,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	0	0
Collectively evaluated for impairment, loan balances	35,486,000	36,031,000
Total loans	35,524,000	36,141,000
All Other [Member] | Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses [Abstract]
Total allowance for loan losses	0	0
Loans Balances [Abstract]
Total loans	$ 38,000	$ 110,000