CREDIT QUALITY ASSESSMENT - Non-accrual Loans (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	$ 44,980	$ 79,792
Contractual interest income due on non- accrual loans during the period	910	5,092
Commercial real estate: | Commercial investor real estate
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	12,116	31,590
Contractual interest income due on non- accrual loans during the period	317	2,169
Commercial real estate: | Commercial owner-occupied real estate
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	8,695	9,444
Contractual interest income due on non- accrual loans during the period	150	555
Commercial real estate: | Commercial AD&C
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	866	9,236
Contractual interest income due on non- accrual loans during the period	93	597
Commercial Business
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	8,389	12,678
Contractual interest income due on non- accrual loans during the period	170	1,096
Residential real estate: | Residential mortgage
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	8,295	9,439
Contractual interest income due on non- accrual loans during the period	94	271
Residential real estate: | Residential construction
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	53	36
Contractual interest income due on non- accrual loans during the period	1	2
Consumer
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	6,566	7,369
Contractual interest income due on non- accrual loans during the period	$ 85	$ 402