FAIR VALUE OF ASSETS AND LIABILITIES - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financial assets:
Cash and cash equivalents	$ 192,796	$ 168,499
Securities available for sale, at fair value ($176,856 amortized cost, $0 allowance for credit losses)	163,550	155,544
Other equity securities	3,806	4,444
Loans held for sale	2,376	1,047
Trading assets	7,325	8,870
Loans, net	1,625,460	1,530,666
Bank owned life insurance	29,350	29,186
Annuities	15,489	15,478
Accrued interest receivable	7,077	6,963
Restricted equity securities, at cost	3,862	3,134
Financial liabilities:
Deposits	1,789,491	1,720,743
Trading liabilities	7,340	8,882
FHLB advances	45,000	30,788
Other borrowings	(16)	(19)
Subordinated notes	86,388	86,314
Accrued interest payable	844	584
Fair Value, Inputs, Level 1
Financial assets:
Cash and cash equivalents	192,796	168,499
Securities available for sale, at fair value ($176,856 amortized cost, $0 allowance for credit losses)	0	0
Other equity securities	3,709	3,674
Loans held for sale	0	0
Trading assets	0	0
Loans, net	0	0
Bank owned life insurance	0	0
Annuities	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 ($176,856 amortized cost, $0 allowance for credit losses)	163,550	155,544
Other equity securities	0	0
Loans held for sale	2,376	1,047
Trading assets	7,325	8,870
Loans, net	1,583,848	1,529,646
Bank owned life insurance	29,350	29,186
Annuities	15,489	15,478
Accrued interest receivable	7,077	6,963
Restricted equity securities, at cost	0	0
Financial liabilities:
Deposits	1,785,185	1,714,249
Trading liabilities	7,340	8,882
FHLB advances	44,902	30,788
Other borrowings	(16)	(19)
Subordinated notes	86,388	86,314
Accrued interest payable	844	584
Fair Value, Inputs, Level 3
Financial assets:
Cash and cash equivalents	0	0
Securities available for sale, at fair value ($176,856 amortized cost, $0 allowance for credit losses)	0	0
Other equity securities	97	770
Loans held for sale	0	0
Trading assets	0	0
Loans, net	14,645	1,020
Bank owned life insurance	0	0
Annuities	0	0
Accrued interest receivable	0	0
Restricted equity securities, at cost	3,862	3,134
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