CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 52,814	$ 20,040
Securities:
Net change in unrealized gain on securities	(90,869)	(28,328)
Reclassification adjustment for net gains/(losses) realized in net income	30	(1,658)
Income taxes	23,761	7,797
Other comprehensive loss on securities	(67,078)	(22,189)
Derivatives used in cash flow hedging relationships:
Net change in unrealized gain/(loss) on derivatives	1,888	(3,680)
Reclassification adjustment for net gains on derivatives realized in net income	(597)	(190)
Income taxes	(272)	814
Other comprehensive income (loss) on cash flow hedges	1,019	(3,056)
Other comprehensive loss	(66,059)	(25,245)
TOTAL COMPREHENSIVE LOSS	$ (13,245)	$ (5,205)