INCOME TAXES - Schedule Reconciliation Effective Income Tax Amount (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Federal income statutory rate	21.00%	21.00%	21.00%
Tax at federal income tax rate	$ 74,956	$ 95,151	$ 104,166
Change resulting from:
State income tax, net of federal benefit	14,950	13,763	18,923
Tax-exempt interest	(1,907)	(2,775)	(3,479)
Increase in cash value of bank owned life insurance	(1,701)	(1,399)	(997)
Excess tax (benefit) deficiency from stock compensation	(518)	(510)	(277)
Nondeductible merger expenses	0	167	142
Other	2,050	2,161	721
Provision for income taxes	$ 87,830	$ 106,558	$ 119,199