LOANS, Allowance for Loan Losses and Recorded Investment in Loans by Portfolio Segment Based on Impairment Method (Details) - USD ($)	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	$ 751,000		$ 3,102,000
Collectively evaluated for impairment, allowance for loan losses	12,022,000		10,440,000
Total allowance for loan losses	12,773,000	$ 14,388,000	13,542,000	$ 13,811,000	$ 13,773,000	$ 13,738,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	4,391,000		11,413,000
Collectively evaluated for impairment, loan balances	1,257,656,000		1,175,901,000
Total loans	1,268,481,000		1,195,295,000
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	689,000		758,000
Total loans	6,434,000		7,981,000
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	1,889,000		1,711,000
Total allowance for loan losses	1,889,000	1,915,000	1,711,000	1,886,000	1,880,000	1,808,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	59,000		63,000
Collectively evaluated for impairment, loan balances	384,133,000		387,357,000
Total loans	386,540,000		389,985,000
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	2,348,000		2,565,000
Multifamily Real Estate [Member]
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	0		1,737,000
Collectively evaluated for impairment, allowance for loan losses	265,000		217,000
Total allowance for loan losses	265,000	2,115,000	1,954,000	1,799,000	1,716,000	1,649,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	0		3,726,000
Collectively evaluated for impairment, loan balances	35,905,000		32,958,000
Total loans	35,905,000		36,684,000
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	0		653,000
Collectively evaluated for impairment, allowance for loan losses	2,519,000		1,788,000
Total allowance for loan losses	2,519,000	2,470,000	2,441,000	2,292,000	1,790,000	2,120,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	1,402,000		2,685,000
Collectively evaluated for impairment, loan balances	159,662,000		159,729,000
Total loans	162,108,000		164,218,000
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	1,044,000		1,804,000
Commercial Real Estate [Member] | Non-Owner Occupied [Member]
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	303,000		271,000
Collectively evaluated for impairment, allowance for loan losses	4,220,000		2,913,000
Total allowance for loan losses	4,523,000	4,310,000	3,184,000	3,337,000	3,280,000	3,058,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	1,917,000		3,830,000
Collectively evaluated for impairment, loan balances	304,133,000		297,858,000
Total loans	308,478,000		304,316,000
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	2,428,000		2,628,000
Commercial and Industrial [Member]
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	448,000		390,000
Collectively evaluated for impairment, allowance for loan losses	1,197,000		1,377,000
Total allowance for loan losses	1,645,000	1,554,000	1,767,000	1,743,000	2,000,000	1,897,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	743,000		678,000
Collectively evaluated for impairment, loan balances	90,386,000		104,096,000
Total loans	91,146,000		105,079,000
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	17,000		305,000
SBA PPP [Member]
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	0
Collectively evaluated for impairment, allowance for loan losses	0
Total allowance for loan losses	0
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	0
Collectively evaluated for impairment, loan balances	113,478,000
Total loans	113,478,000		0
SBA PPP [Member] | Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan Losses [Abstract]
Total allowance for loan losses	0
Loans Balances [Abstract]
Total loans	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	239,000		281,000
Total allowance for loan losses	239,000	230,000	281,000	335,000	368,000	351,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	0		0
Collectively evaluated for impairment, loan balances	25,407,000		28,985,000
Total loans	25,420,000		29,007,000
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	13,000		22,000
Construction and Land [Member]
Allowance for Loan Losses [Abstract]
Individually evaluated for impairment, allowance for loan losses	0		51,000
Collectively evaluated for impairment, allowance for loan losses	1,160,000		1,673,000
Total allowance for loan losses	1,160,000	1,233,000	1,724,000	1,892,000	2,140,000	2,255,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	270,000		431,000
Collectively evaluated for impairment, loan balances	110,542,000		135,224,000
Total loans	111,221,000		136,138,000
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	409,000		483,000
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	533,000		480,000
Total allowance for loan losses	533,000	$ 561,000	480,000	$ 527,000	$ 599,000	$ 600,000
Loans Balances [Abstract]
Individually evaluated for impairment, loan balances	0		0
Collectively evaluated for impairment, loan balances	34,010,000		29,694,000
Total loans	34,185,000		29,868,000
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	$ 175,000		$ 174,000