Consolidated Statements of Comprehensive Earnings - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
NET EARNINGS	$ 198,977	$ 234,475	$ 227,562
OTHER ITEMS OF COMPREHENSIVE EARNINGS (LOSS):
Change in unrealized gain (loss) on investment securities available-for sale, before income taxes	159,881	(800,997)	(89,238)
Reclassification adjustment for realized gains (loss) on investment securities included in net earnings, before income taxes	7,119	(2,144)	(815)
Total other items of comprehensive earnings (losses)	167,000	(803,141)	(90,053)
Income tax benefit (expense) related to:
Change in unrealized gain (loss) on investment securities available-for-sale	(33,575)	168,210	18,740
Reclassification adjustment for realized gains (loss) on investment securities included in net earnings	(1,495)	450	171
Total income tax benefit (expense)	(35,070)	168,660	18,911
COMPREHENSIVE EARNINGS (LOSS)	$ 330,907	$ (400,006)	$ 118,598