FAIR VALUE OF ASSETS AND LIABILITIES - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Financial assets:
Cash and cash equivalents	$ 177,822	$ 84,907
Securities available for sale, at fair value	113,317	114,001
Other equity securities	9,227	5,017
Loans held for sale	2,097	5,696
Trading assets	1,638	983
Loans, net	1,131,350	1,018,256
Bank owned life insurance	22,081	22,458
Annuities	12,968	12,903
Foreclosed assets	10,146	10,224
Accrued interest receivable	3,933	4,243
Restricted equity securities, at cost	2,600	3,224
Financial liabilities:
Deposits	1,336,322	1,139,661
Trading liabilities	1,690	1,013
FHLB advances	26,900	30,900
Other borrowings	12,498	7,975
Subordinated notes	0	4,493
Accrued interest payable	125	278
Fair Value, Inputs, Level 1
Financial assets:
Cash and cash equivalents	177,822	84,907
Securities available for sale, at fair value	0	0
Other equity securities	9,227	5,017
Loans held for sale	0	0
Trading assets	0	0
Loans, net	0	0
Bank owned life insurance	0	0
Annuities	0	0
Foreclosed assets	0	0
Accrued interest receivable	0	0
Restricted equity securities, at cost	0	0
Financial liabilities:
Deposits	0	0
Trading liabilities	0	0
FHLB advances	0	0
Other borrowings	0	0
Subordinated notes	0	0
Accrued interest payable	0	0
Fair Value, Inputs, Level 2
Financial assets:
Cash and cash equivalents	0	0
Securities available for sale, at fair value	113,317	114,001
Other equity securities	0	0
Loans held for sale	2,097	5,696
Trading assets	1,638	983
Loans, net	1,137,628	1,030,104
Bank owned life insurance	22,081	22,458
Annuities	12,968	12,903
Foreclosed assets	0	0
Accrued interest receivable	3,933	4,243
Restricted equity securities, at cost	0	0
Financial liabilities:
Deposits	1,308,710	1,140,979
Trading liabilities	1,690	1,013
FHLB advances	26,925	30,962
Other borrowings	12,498	7,975
Subordinated notes	0	4,493
Accrued interest payable	125	278
Fair Value, Inputs, Level 3
Financial assets:
Cash and cash equivalents	0	0
Securities available for sale, at fair value	0	0
Other equity securities	0	0
Loans held for sale	0	0
Trading assets	0	0
Loans, net	2,401	4,392
Bank owned life insurance	0	0
Annuities	0	0
Foreclosed assets	10,146	10,224
Accrued interest receivable	0	0
Restricted equity securities, at cost	2,600	3,224
Financial liabilities:
Deposits	0	0
Trading liabilities	0	0
FHLB advances	0	0
Other borrowings	0	0
Subordinated notes	0	0
Accrued interest payable	$ 0	$ 0