Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net Income	$ 19,998	$ 21,039	$ 38,684	$ 40,083
Other comprehensive income, net of tax:
Unrealized net holding gain (loss) on securities available-for-sale, net of income tax of $2,343 and $(4,432) for the three months ended June 30, 2016 and 2015, and $8,633 and $(200) for the six months ended June 30, 2016 and 2015, respectively	4,352	(8,231)	16,032	(372)
Other comprehensive income (loss)	4,352	(8,231)	16,032	(372)
Comprehensive income	$ 24,350	$ 12,808	$ 54,716	$ 39,711