Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net Income	$ 27,280	$ 32,081	$ 51,869	$ 55,351
Other comprehensive income (loss), before tax (expense) benefit:
Unrealized holding gains (losses) on securities arising during the period	9,873	660	18,903	(3,322)
Less: reclassification adjustment for gains on securities included in net income	(6)	(5,262)	(6)	(8,102)
Unrealized holding gains (losses) on derivatives arising during the period	0	97	133	(33)
Less: reclassification adjustment for losses on derivatives included in net income	0	10	0	10
Total other comprehensive income (loss), before tax (expense) benefit	9,867	(4,495)	19,030	(11,447)
Income tax (expense) benefit related to items of other comprehensive income (loss)	(2,072)	943	(3,996)	2,403
Total other comprehensive income (loss)	7,795	(3,552)	15,034	(9,044)
Comprehensive Income	$ 35,075	$ 28,529	$ 66,903	$ 46,307