PARENT COMPANY FINANCIAL INFORMATION - Statements of Income (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income:
Other income	$ 4,713	$ 4,687	$ 9,869
Expenses:
Total interest expense	282,974	68,663	25,766
Income tax expense (benefit)	41,291	56,059	76,552
Net income	122,844	166,299	235,107
Parent Company
Income:
Cash dividends from subsidiary	113,770	65,410	189,172
Other income	3,204	494	434
Total income	116,974	65,904	189,606
Expenses:
Interest	15,785	14,055	6,765
Other expenses	2,941	1,750	1,592
Total interest expense	18,726	15,805	8,357
Income before income tax expense	98,248	50,099	181,249
Income tax expense (benefit)	(3,226)	(3,175)	(1,563)
Income before equity in undistributed income of subsidiary	101,474	53,274	182,812
Equity in undistributed income of subsidiary	21,370	113,025	52,295
Net income	$ 122,844	$ 166,299	$ 235,107