Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net Income	$ 19,032	$ 19,998	$ 39,299	$ 38,684
Other comprehensive income, net of tax:
Unrecognized net holding gain on securities available-for-sale, net of federal income taxes of $1,621 and $2,343 for the three months ended June 30, 2017 and 2016, and $2,171 and $8,633 for the six months ended June 30, 2017 and 2016, respectively	3,011	4,352	4,033	16,032
Other comprehensive income (loss)	3,011	4,352	4,033	16,032
Comprehensive income	$ 22,043	$ 24,350	$ 43,332	$ 54,716