INCOME TAXES - Deferred Tax Assets And Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Allowance for credit losses	$ 34,703	$ 27,980
Lease liability	14,692	17,280
Employee benefits	8,247	7,740
Unrealized losses on pension plan	2,735	2,827
Deferred loan fees and costs	3,003	3,879
Equity based compensation	2,327	1,636
Unrealized losses on investments available-for-sale	42,362	121
Losses on other real estate owned	27	21
Other than temporary impairment	0	76
Loan and deposit premium/discount	205	553
Reserve for recourse loans and unfunded commitments	2,169	223
Net operating loss carryforward	2,985	2,023
Other	240	207
Gross deferred tax assets	113,695	64,566
Valuation allowance	(3,124)	(2,137)
Net deferred tax asset	110,571	62,429
Deferred tax liabilities:
Right of use asset	(12,511)	(14,888)
Pension plan costs	(1,906)	(2,092)
Depreciation	(4,203)	(2,552)
Intangible assets	(2,709)	(5,653)
Bond accretion	(289)	(78)
Fair value acquisition adjustments	(660)	(624)
Other	(738)	(626)
Gross deferred tax liabilities	(23,016)	(26,513)
Net deferred tax asset	$ 87,555	$ 35,916