FAIR VALUE OF FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Schedule of Carrying Amount, Estimated Fair Values, and Placement in Fair Value Hierarchy (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Assets
Investment securities available for sale	$ 366,049	$ 407,382
Investment securities held to maturity	$ 383,020	$ 405,576
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other
Liabilities
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Carrying Amount
Assets
Cash and short-term investments	$ 231,034	$ 83,322
Investment securities available for sale	366,049	407,382
Investment securities held to maturity	430,077	449,031
Other investments	17,694	16,868
Loans held for sale	39,786	27,958
Loans, net	1,824,000	1,865,099
Derivative assets	784
Liabilities
Deposits	2,567,943	2,544,790
Federal Home Loan Bank advances	185,000	175,000
Other borrowed money	63,039	63,445
Derivative liabilities	47	438
Estimated Fair Value
Assets
Cash and short-term investments	231,034	83,322
Investment securities available for sale	366,049	407,382
Investment securities held to maturity	383,020	405,576
Other investments	17,694	16,868
Loans held for sale	39,786	27,958
Loans, net	1,703,487	1,699,870
Derivative assets	784
Liabilities
Deposits	2,564,143	2,538,477
Federal Home Loan Bank advances	186,468	176,022
Other borrowed money	52,057	51,056
Derivative liabilities	47	438
Estimated Fair Value | Level 1
Assets
Cash and short-term investments	231,034	83,322
Investment securities available for sale	0	0
Investment securities held to maturity	0
Other investments	0	0
Loans held for sale	0	0
Loans, net	0	0
Derivative assets	0
Liabilities
Deposits	0	0
Federal Home Loan Bank advances	0	0
Other borrowed money	0	0
Derivative liabilities	0	0
Estimated Fair Value | Level 2
Assets
Cash and short-term investments	0	0
Investment securities available for sale	357,128	396,568
Investment securities held to maturity	383,020	405,576
Other investments	17,694	16,868
Loans held for sale	39,786	27,958
Loans, net	0	0
Derivative assets	784
Liabilities
Deposits	2,564,143	2,538,477
Federal Home Loan Bank advances	186,468	176,022
Other borrowed money	52,057	51,056
Derivative liabilities	47	438
Estimated Fair Value | Level 3
Assets
Cash and short-term investments	0	0
Investment securities available for sale	8,921	10,814
Investment securities held to maturity	0	0
Other investments	0	0
Loans held for sale	0	0
Loans, net	1,703,487	1,699,870
Derivative assets	0
Liabilities
Deposits	0	0
Federal Home Loan Bank advances	0	0
Other borrowed money	0	0
Derivative liabilities	$ 0	$ 0