Consolidated Statements of Comprehensive Income (Loss) - Unaudited - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 76,761	$ 36,595
Unrealized gains (losses) on available for sale debt securities:
Unrealized gains (losses) arising during the period	(78,858)	400
Income tax effect	20,503	(104)
Reclassification adjustments for (gains) losses included in net income	1,063	(23,566)
Income tax effect	(276)	6,127
Net unrealized gains (losses) on available for sale debt securities	(57,568)	(17,143)
Unrealized gains (losses) on cash flow hedges:
Unrealized gains (losses) arising during the period	0	12,315
Income tax effect	0	(3,202)
Reclassification adjustment for (gains) losses included in net income	0	25,926
Income tax effect	0	(6,741)
Net unrealized gains (losses) on cash flow hedges	0	28,298
Other comprehensive income (loss), net of income tax effect	(57,568)	11,155
Comprehensive income (loss)	$ 19,193	$ 47,750