FAIR VALUE MEASUREMENT, Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Loans Held for Sale [Abstract]
Loans held-for-sale at carrying value	$ 27,252	$ 31,229
Carrying Amount [Member]
Financial assets [Abstract]
Cash and cash equivalents	112,280	60,540
FRB and FHLB stock	4,441	4,633
Investment securities	23,247	22,043
Loans, net	883,029	847,383
Financial liabilities [Abstract]
Deposits	864,578	766,185
Other borrowings	90,000	105,000
Fair Value [Member]
Financial assets [Abstract]
Cash and cash equivalents	112,280	60,540
FRB and FHLB stock	4,441	4,633
Investment securities	23,440	22,311
Loans, net	908,624	853,580
Financial liabilities [Abstract]
Deposits	863,577	765,565
Other borrowings	90,843	106,051
Fair Value [Member] | Level 1 [Member]
Financial assets [Abstract]
Cash and cash equivalents	112,280	60,540
FRB and FHLB stock	0	0
Investment securities	198	149
Loans, net	0	0
Financial liabilities [Abstract]
Deposits	0	0
Other borrowings	0	0
Fair Value [Member] | Level 2 [Member]
Financial assets [Abstract]
Cash and cash equivalents	0	0
FRB and FHLB stock	4,441	4,633
Investment securities	23,242	22,162
Loans, net	901,157	845,302
Financial liabilities [Abstract]
Deposits	863,577	765,565
Other borrowings	90,843	106,051
Fair Value [Member] | Level 3 [Member]
Financial assets [Abstract]
Cash and cash equivalents	0	0
FRB and FHLB stock	0	0
Investment securities	0	0
Loans, net	7,467	8,278
Financial liabilities [Abstract]
Deposits	0	0
Other borrowings	0	0
Standby Letters of Credit [Member]
Off-balance sheet instruments [Abstract]
Off-balance sheet risks outstanding	100	0
Unfunded Loan Commitments [Member]
Off-balance sheet instruments [Abstract]
Off-balance sheet risks outstanding	$ 61,500	$ 59,500