CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 38,991	$ 55,559	$ 87,577	$ 105,028
Unrealized gains/(losses) on securities available-for-sale:
Unrealized holding gain/(loss) arising during the period	(144,709)	32,238	(321,275)	(15,673)
Reclassification adjustment for losses/(gains) included in net income	(90)	(1,761)	(656)	(3,560)
Tax effect	30,408	(6,400)	67,606	4,039
Net of tax	(114,391)	24,077	(254,325)	(15,194)
Unrealized gain/(loss) on cash flow hedges:
Unrealized holding gain/(loss) arising during the period	110	(16)	413	42
Reclassification adjustment for losses/(gains) included in net income	178	260	418	513
Tax effect	(61)	(51)	(175)	(117)
Net of tax	227	193	656	438
Total other comprehensive income/(loss), net of tax	(114,164)	24,270	(253,669)	(14,756)
Comprehensive income/(loss)	$ (75,173)	$ 79,829	$ (166,092)	$ 90,272