Consolidated Statements of Comprehensive Income (Loss) - Unaudited - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 22,718	$ 9,296	$ 25,817	$ 24,735
Unrealized gains (losses) on available for sale debt securities:
Unrealized gains (losses) arising during the period	35,315	20,755	26,217	38,572
Income tax effect	(9,182)	(5,397)	(6,816)	(10,029)
Reclassification adjustments for (gains) losses included in net income	(4,353)	0	(8,328)	0
Income tax effect	1,131	0	2,165	0
Net unrealized gains (losses) on available for sale debt securities	22,911	15,358	13,238	28,543
Unrealized gains (losses) on cash flow hedges:
Unrealized gains (losses) arising during the period	(6,369)	(14,102)	(34,066)	(21,041)
Income tax effect	1,684	3,667	9,035	5,471
Reclassification adjustment for (gains) losses included in net income	2,718	4	4,196	(409)
Income tax effect	(734)	(1)	(1,118)	106
Net unrealized gains (losses) on cash flow hedges	(2,701)	(10,432)	(21,953)	(15,873)
Other comprehensive income (loss), net of income tax effect	20,210	4,926	(8,715)	12,670
Comprehensive income (loss)	$ 42,928	$ 14,222	$ 17,102	$ 37,405