Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net Income	$ 26,644	$ 25,149	$ 78,513	$ 80,500
Other comprehensive income (loss), before tax (expense) benefit:
Unrealized holding gains (losses) on securities arising during the period	3,152	(5,382)	22,055	(8,704)
Less: reclassification adjustment for gains on securities included in net income	(9)	0	(15)	(8,102)
Unrealized holding (losses) gains on derivatives arising during the period	(124)	198	9	165
Less: reclassification adjustment for losses on derivatives included in net income	0	0	0	10
Total other comprehensive income (loss), before tax (expense) benefit	3,019	(5,184)	22,049	(16,631)
Income tax (expense) benefit related to items of other comprehensive income (loss)	(635)	1,088	(4,631)	3,491
Total other comprehensive income (loss)	2,384	(4,096)	17,418	(13,140)
Comprehensive Income	$ 29,028	$ 21,053	$ 95,931	$ 67,360