FAIR VALUE OF FINANCIAL INSTRUMENTS - Recurring basis (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	$ 669,020	$ 759,461
Equity securities with readily determinable fair values	3,324	3,360
Mortgage servicing rights, at fair value	19,081	19,001
U.S. Treasury
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	138,186	148,622
U.S. government agency
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	50,459	52,097
Municipal
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	134,648	205,557
Agency residential
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	168,546	173,984
Agency commercial
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	124,475	127,012
Corporate
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	52,706	52,189
Fair Value, Recurring
FAIR VALUE OF FINANCIAL INSTRUMENTS
Equity securities with readily determinable fair values	3,324	3,360
Mortgage servicing rights, at fair value	19,081	19,001
Derivative financial assets	7,761	6,549
Derivative financial liabilities	7,507	6,227
Fair Value, Recurring \| U.S. Treasury
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	138,186	148,622
Fair Value, Recurring \| U.S. government agency
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	50,459	52,097
Fair Value, Recurring \| Municipal
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	134,648	205,557
Fair Value, Recurring \| Agency residential
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	168,546	173,984
Fair Value, Recurring \| Agency commercial
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	124,475	127,012
Fair Value, Recurring \| Corporate
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	52,706	52,189
Fair Value, Recurring \| Level 1
FAIR VALUE OF FINANCIAL INSTRUMENTS
Equity securities with readily determinable fair values	3,324	3,360
Mortgage servicing rights, at fair value	0	0
Derivative financial assets	0	0
Derivative financial liabilities	0	0
Fair Value, Recurring \| Level 1 \| U.S. Treasury
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	138,186	148,622
Fair Value, Recurring \| Level 1 \| U.S. government agency
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	0	0
Fair Value, Recurring \| Level 1 \| Municipal
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	0	0
Fair Value, Recurring \| Level 1 \| Agency residential
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	0	0
Fair Value, Recurring \| Level 1 \| Agency commercial
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	0	0
Fair Value, Recurring \| Level 1 \| Corporate
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	0	0
Fair Value, Recurring \| Level 2
FAIR VALUE OF FINANCIAL INSTRUMENTS
Equity securities with readily determinable fair values	0	0
Mortgage servicing rights, at fair value	0	0
Derivative financial assets	7,761	6,549
Derivative financial liabilities	7,507	6,227
Fair Value, Recurring \| Level 2 \| U.S. Treasury
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	0	0
Fair Value, Recurring \| Level 2 \| U.S. government agency
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	50,459	52,097
Fair Value, Recurring \| Level 2 \| Municipal
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	134,648	205,557
Fair Value, Recurring \| Level 2 \| Agency residential
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	168,546	173,984
Fair Value, Recurring \| Level 2 \| Agency commercial
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	124,475	127,012
Fair Value, Recurring \| Level 2 \| Corporate
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	52,706	52,189
Fair Value, Recurring \| Level 3
FAIR VALUE OF FINANCIAL INSTRUMENTS
Equity securities with readily determinable fair values	0	0
Mortgage servicing rights, at fair value	19,081	19,001
Derivative financial assets	0	0
Derivative financial liabilities	0	0
Fair Value, Recurring \| Level 3 \| U.S. Treasury
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	0	0
Fair Value, Recurring \| Level 3 \| U.S. government agency
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	0	0
Fair Value, Recurring \| Level 3 \| Municipal
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	0	0
Fair Value, Recurring \| Level 3 \| Agency residential
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	0	0
Fair Value, Recurring \| Level 3 \| Agency commercial
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	0	0
Fair Value, Recurring \| Level 3 \| Corporate
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale:	$ 0	$ 0

Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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