CREDIT QUALITY ASSESSMENT - Information on the Credit Quality of Loan Portfolio (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Loans placed on non-accrual	$ 12,100
Non-accrual status
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	46,086	$ 112,361
Loans placed on non-accrual	12,130	8,146
Non-accrual balances transferred to OREO	0	(257)
Non-accrual balances charged-off	(860)	(11,593)
Net payments or draws	(19,065)	(61,230)
Non-accrual loans brought current	(3,509)	(1,341)
Balance at end of period	34,782	46,086
Non-accrual status | Commercial real estate: | Commercial investor real estate
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	12,489	45,227
Loans placed on non-accrual	4,761	699
Non-accrual balances transferred to OREO	0	0
Non-accrual balances charged-off	0	(5,803)
Net payments or draws	(7,307)	(26,813)
Non-accrual loans brought current	0	(821)
Balance at end of period	9,943	12,489
Non-accrual status | Commercial real estate: | Commercial owner-occupied real estate
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	9,306	11,561
Loans placed on non-accrual	2,370	3,676
Non-accrual balances transferred to OREO	0	(257)
Non-accrual balances charged-off	0	(136)
Net payments or draws	(4,366)	(5,538)
Non-accrual loans brought current	(2,291)	0
Balance at end of period	5,019	9,306
Non-accrual status | Commercial real estate: | Commercial AD&C
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	650	15,044
Loans placed on non-accrual	0	49
Non-accrual balances transferred to OREO	0	0
Non-accrual balances charged-off	0	(2,007)
Net payments or draws	(650)	(12,436)
Non-accrual loans brought current	0	0
Balance at end of period	0	650
Non-accrual status | Commercial Business
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	8,420	22,933
Loans placed on non-accrual	1,591	1,339
Non-accrual balances transferred to OREO	0	0
Non-accrual balances charged-off	(677)	(3,547)
Net payments or draws	(2,012)	(12,305)
Non-accrual loans brought current	0	0
Balance at end of period	7,322	8,420
Non-accrual status | Residential real estate: | Residential mortgage
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	8,441	10,212
Loans placed on non-accrual	2,593	695
Non-accrual balances transferred to OREO	0	0
Non-accrual balances charged-off	(151)	0
Net payments or draws	(2,615)	(2,406)
Non-accrual loans brought current	(829)	(60)
Balance at end of period	7,439	8,441
Non-accrual status | Residential real estate: | Residential construction
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	55	0
Loans placed on non-accrual	0	62
Non-accrual balances transferred to OREO	0	0
Non-accrual balances charged-off	0	0
Net payments or draws	(55)	(7)
Non-accrual loans brought current	0	0
Balance at end of period	0	55
Non-accrual status | Consumer
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	6,725	7,384
Loans placed on non-accrual	815	1,626
Non-accrual balances transferred to OREO	0	0
Non-accrual balances charged-off	(32)	(100)
Net payments or draws	(2,060)	(1,725)
Non-accrual loans brought current	(389)	(460)
Balance at end of period	$ 5,059	$ 6,725