CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 56,366	$ 63,752	$ 181,307	$ 151,329
Unrealized loss on securities available-for-sale:
Unrealized holding loss arising during the period	(114,630)	(145,935)	(90,675)	(467,210)
Reclassification adjustment for losses/(gains) included in net income	1,650	(481)	4,613	(1,137)
Tax effect	23,726	30,747	18,073	98,353
Net of tax	(89,254)	(115,669)	(67,989)	(369,994)
Unrealized gain/(loss) on cash flow hedges:
Unrealized holding gain/(loss) arising during the period	(66)	94	(179)	507
Reclassification adjustment for losses/(gains) included in net income	0	78	15	496
Tax effect	14	(36)	34	(211)
Net of tax	(52)	136	(130)	792
Total other comprehensive income/(loss), net of tax	(89,306)	(115,533)	(68,119)	(369,202)
Comprehensive income/(loss)	$ (32,940)	$ (51,781)	$ 113,188	$ (217,873)