FAIR VALUE - Schedule of Carrying Amounts and Estimated Fair Value of Assets And Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Financial assets:
Loans, net	$ 1,259	$ 1,280
Level 3 Inputs
Financial assets:
Loans, net	1,259	1,280
Reported Value Measurement
Financial assets:
Cash, due from banks, federal funds sold and interest-bearing deposits	217,813	145,964
Marketable securities held to maturity	305,153	334,732
Loans, net	2,079,864	2,102,565
Accrued interest receivable	10,764	12,016
Nonmarketable equity securities	17,138	17,167
Financial liabilities:
Deposits	2,704,340	2,692,167
Securities sold under repurchase agreements	47,702	31,075
Accrued interest payable	5,054	5,116
Federal Home Loan Bank advances		0
Subordinated debt	41,951	41,918
Fair Value
Financial assets:
Cash, due from banks, federal funds sold and interest-bearing deposits	217,813	145,964
Marketable securities held to maturity	278,169	303,245
Loans, net	2,056,445	2,088,644
Accrued interest receivable	10,764	12,016
Nonmarketable equity securities	17,138	17,167
Financial liabilities:
Deposits	2,705,915	2,695,262
Securities sold under repurchase agreements	47,702	31,075
Accrued interest payable	5,054	5,116
Federal Home Loan Bank advances		0
Subordinated debt	41,957	44,133
Fair Value | Level 1 Inputs
Financial assets:
Cash, due from banks, federal funds sold and interest-bearing deposits	217,813	145,964
Marketable securities held to maturity	0	0
Loans, net	0	0
Accrued interest receivable	0	0
Nonmarketable equity securities	0	0
Financial liabilities:
Deposits	1,980,282	1,949,499
Securities sold under repurchase agreements	0	0
Accrued interest payable	0	0
Federal Home Loan Bank advances		0
Subordinated debt	0	0
Fair Value | Level 2 Inputs
Financial assets:
Cash, due from banks, federal funds sold and interest-bearing deposits	0	0
Marketable securities held to maturity	278,169	303,245
Loans, net	0	0
Accrued interest receivable	10,764	12,016
Nonmarketable equity securities	17,138	17,167
Financial liabilities:
Deposits	725,633	745,763
Securities sold under repurchase agreements	47,702	31,075
Accrued interest payable	5,054	5,116
Federal Home Loan Bank advances		0
Subordinated debt	41,957	44,133
Fair Value | Level 3 Inputs
Financial assets:
Cash, due from banks, federal funds sold and interest-bearing deposits	0	0
Marketable securities held to maturity	0	0
Loans, net	2,056,445	2,088,644
Accrued interest receivable	0	0
Nonmarketable equity securities	0	0
Financial liabilities:
Deposits	0	0
Securities sold under repurchase agreements	0	0
Accrued interest payable	0	0
Federal Home Loan Bank advances		0
Subordinated debt	$ 0	$ 0