FAIR VALUE - Schedule of Carrying Amounts and Estimated Fair Value of Assets And Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Financial assets:
Loans, net		$ 14,527
Level 3
Financial assets:
Loans, net		14,527
Reported Value Measurement
Financial assets:
Cash, due from banks, federal funds sold and interest-bearing deposits	$ 162,946	89,524
Marketable securities held to maturity	341,911	404,208
Loans, net	2,107,597	2,290,881
Accrued interest receivable	10,927	13,143
Nonmarketable equity securities	18,148	24,128
Financial liabilities:
Deposits	2,668,914	2,633,246
Securities sold under repurchase agreements	31,164	25,172
Accrued interest payable	5,875	5,272
Federal Home Loan Bank advances	0	140,000
Subordinated debt	43,885	45,785
Fair Value
Financial assets:
Cash, due from banks, federal funds sold and interest-bearing deposits	162,946	89,524
Marketable securities held to maturity	319,313	374,523
Loans, net	2,048,172	2,187,669
Accrued interest receivable	10,927	13,143
Nonmarketable equity securities	18,148	24,128
Financial liabilities:
Deposits	2,675,345	2,634,137
Securities sold under repurchase agreements	31,164	25,172
Accrued interest payable	5,875	5,272
Federal Home Loan Bank advances	0	139,963
Subordinated debt	44,486	46,433
Fair Value | Level 1 Inputs
Financial assets:
Cash, due from banks, federal funds sold and interest-bearing deposits	162,946	89,524
Marketable securities held to maturity	0	0
Loans, net	0	0
Accrued interest receivable	0	0
Nonmarketable equity securities	0	0
Financial liabilities:
Deposits	1,917,016	1,928,063
Securities sold under repurchase agreements	0	0
Accrued interest payable	0	0
Federal Home Loan Bank advances	0	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	319,313	374,523
Loans, net	0	0
Accrued interest receivable	10,927	13,143
Nonmarketable equity securities	18,148	24,128
Financial liabilities:
Deposits	758,329	706,074
Securities sold under repurchase agreements	31,164	25,172
Accrued interest payable	5,875	5,272
Federal Home Loan Bank advances	0	139,963
Subordinated debt	44,486	46,433
Fair Value | Level 3
Financial assets:
Cash, due from banks, federal funds sold and interest-bearing deposits	0	0
Marketable securities held to maturity	0	0
Loans, net	2,048,172	2,187,669
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	0
Subordinated debt	$ 0	$ 0