INCOME TAXES - Reconcilements Between Statutory Federal Income Tax Rate And Effective Tax Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income tax expense at federal statutory rate	$ 34,469	$ 46,696	$ 65,448
Income tax expense at federal statutory rate	21.00%	21.00%	21.00%
Increase/ (decrease) resulting from:
Tax exempt income, net	$ (919)	$ (1,909)	$ (2,271)
Bank-owned life insurance	(802)	(662)	(602)
State income taxes, net of federal income tax benefits	7,707	11,339	14,593
Other, net	836	595	(616)
Total income tax expense	$ 41,291	$ 56,059	$ 76,552
Increase/ (decrease) resulting from:
Tax exempt income, net	(0.60%)	(0.90%)	(0.70%)
Bank-owned life insurance	(0.50%)	(0.30%)	(0.20%)
State income taxes, net of federal income tax benefits	4.70%	5.10%	4.70%
Other, net	0.60%	0.30%	(0.20%)
Total income tax expense and rate	25.20%	25.20%	24.60%