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Amount 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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FAIR VALUE OF FINANCIAL INSTRUMENTS - Recurring basis (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					$ 843,524
Debt securities available-for-sale	$ 822,788		$ 822,788
Equity securities	3,152		3,152		3,029
Mortgage servicing rights, at fair value	20,133		20,133		10,147
Transfer of assets from level 1 to level 2	0	$ 0	0	$ 0
Transfer of assets from level 2 to level 1	0	0	0	0
Transfer of assets in to level 3	0	0	0	0
Transfer of assets out of level 3	0	0	0	0
Transfer of liabilities from level 1 to level 2	0	0	0	0
Transfer of liabilities from level 2 to level 1	0	0	0	0
Transfer of liabilities in to level 3	0	0	0	0
Transfer of liabilities out of level 3	0	$ 0	0	$ 0
U.S. Treasury
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					154,515
Debt securities available-for-sale	155,140		155,140
U.S. government agency
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					55,157
Debt securities available-for-sale	52,424		52,424
Municipal securities
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					243,829
Debt securities available-for-sale	244,055		244,055
Mortgage-backed: Agency residential
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					195,441
Debt securities available-for-sale	189,550		189,550
Mortgage-backed: Agency commercial
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					132,888
Debt securities available-for-sale	130,886		130,886
Corporate
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					61,694
Debt securities available-for-sale	50,733		50,733
Recurring
FAIR VALUE OF FINANCIAL INSTRUMENTS
Equity securities	3,152		3,152		3,029
Mortgage servicing rights, at fair value	20,133		20,133		10,147
Derivative financial assets fair value	8,640		8,640		7,610
Derivative financial liabilities fair value	8,053		8,053		6,981
Recurring \| U.S. Treasury
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					154,515
Debt securities available-for-sale	155,140		155,140
Recurring \| U.S. government agency
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					55,157
Debt securities available-for-sale	52,424		52,424
Recurring \| Municipal securities
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					243,829
Debt securities available-for-sale	244,055		244,055
Recurring \| Mortgage-backed: Agency residential
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					195,441
Debt securities available-for-sale	189,550		189,550
Recurring \| Mortgage-backed: Agency commercial
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					132,888
Debt securities available-for-sale	130,886		130,886
Recurring \| Corporate
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					61,694
Debt securities available-for-sale	50,733		50,733
Recurring \| Level 1
FAIR VALUE OF FINANCIAL INSTRUMENTS
Equity securities	3,152		3,152		3,029
Recurring \| Level 1 \| U.S. Treasury
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					154,515
Debt securities available-for-sale	155,140		155,140
Recurring \| Level 2
FAIR VALUE OF FINANCIAL INSTRUMENTS
Derivative financial assets fair value	8,640		8,640		7,610
Derivative financial liabilities fair value	8,053		8,053		6,981
Recurring \| Level 2 \| U.S. government agency
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					55,157
Debt securities available-for-sale	52,424		52,424
Recurring \| Level 2 \| Municipal securities
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					243,829
Debt securities available-for-sale	244,055		244,055
Recurring \| Level 2 \| Mortgage-backed: Agency residential
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					195,441
Debt securities available-for-sale	189,550		189,550
Recurring \| Level 2 \| Mortgage-backed: Agency commercial
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					132,888
Debt securities available-for-sale	130,886		130,886
Recurring \| Level 2 \| Corporate
FAIR VALUE OF FINANCIAL INSTRUMENTS
Debt securities available-for-sale					61,694
Debt securities available-for-sale	50,733		50,733
Recurring \| Level 3
FAIR VALUE OF FINANCIAL INSTRUMENTS
Mortgage servicing rights, at fair value	$ 20,133		$ 20,133		$ 10,147