CREDIT QUALITY ASSESSMENT - Information on the Credit Quality of Loan Portfolio (Details) - Non-accrual status - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 34,782	$ 46,086
Loans placed on non-accrual	28,990	12,130
Non-accrual balances transferred to OREO	0	0
Non-accrual balances charged-off	(2,175)	(860)
Net payments or draws	(11,866)	(19,065)
Non-accrual loans brought current	(993)	(3,509)
Balance at end of period	48,738	34,782
Commercial real estate: | Commercial investor real estate
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	9,943	12,489
Loans placed on non-accrual	19,622	4,761
Non-accrual balances transferred to OREO	0	0
Non-accrual balances charged-off	0	0
Net payments or draws	(9,184)	(7,307)
Non-accrual loans brought current	0	0
Balance at end of period	20,381	9,943
Commercial real estate: | Commercial owner-occupied real estate
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	5,019	9,306
Loans placed on non-accrual	0	2,370
Non-accrual balances transferred to OREO	0	0
Non-accrual balances charged-off	0	0
Net payments or draws	(173)	(4,366)
Non-accrual loans brought current	0	(2,291)
Balance at end of period	4,846	5,019
Commercial real estate: | Commercial AD&C
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	0	650
Loans placed on non-accrual	569	0
Non-accrual balances transferred to OREO	0	0
Non-accrual balances charged-off	0	0
Net payments or draws	0	(650)
Non-accrual loans brought current	0	0
Balance at end of period	569	0
Commercial Business
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	7,322	8,420
Loans placed on non-accrual	4,362	1,591
Non-accrual balances transferred to OREO	0	0
Non-accrual balances charged-off	(424)	(677)
Net payments or draws	(1,354)	(2,012)
Non-accrual loans brought current	(513)	0
Balance at end of period	9,393	7,322
Residential real estate: | Residential mortgage
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	7,439	8,441
Loans placed on non-accrual	3,540	2,593
Non-accrual balances transferred to OREO	0	0
Non-accrual balances charged-off	(160)	(151)
Net payments or draws	(309)	(2,615)
Non-accrual loans brought current	(357)	(829)
Balance at end of period	10,153	7,439
Residential real estate: | Residential construction
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	0	55
Loans placed on non-accrual	0	0
Non-accrual balances transferred to OREO	0	0
Non-accrual balances charged-off	0	0
Net payments or draws	0	(55)
Non-accrual loans brought current	0	0
Balance at end of period	0	0
Consumer
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	5,059	6,725
Loans placed on non-accrual	897	815
Non-accrual balances transferred to OREO	0	0
Non-accrual balances charged-off	(1,591)	(32)
Net payments or draws	(846)	(2,060)
Non-accrual loans brought current	(123)	(389)
Balance at end of period	$ 3,396	$ 5,059