CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 284,971	$ 414,984	$ 197,853
Unrealized gains (losses) on investment securities available for sale:
Net unrealized holding gain (loss) arising during the period	498,864	54,228	(46,045)
Reclassification adjustment for net securities gains realized in income	(2,906)	(6,712)	(10,431)
Net change in unrealized gains (losses) on securities available for sale	(501,770)	(60,940)	35,614
Unrealized gains (losses) on derivative instruments:
Net unrealized holding gain (loss) arising during the period	79,871	22,207	(87,402)
Reclassification adjustment for net (gains) losses realized in income	(66)	38,545	34,463
Reclassification adjustment for discontinuance of cash flow hedges	0	33,400	0
Net change in unrealized gains (losses) on derivative instruments	79,805	94,152	(52,939)
Other comprehensive income (loss)	(421,965)	33,212	(17,325)
Comprehensive income (loss)	$ (136,994)	$ 448,196	$ 180,528