Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net Income	$ 22,163	$ 28,241	$ 47,618	$ 59,364
Other comprehensive income, net of tax:
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	480	0	480	2,024
Unrealized net holding gain (loss) on debt securities available-for-sale, net of income tax effect of $2,383 and $(630) for the three months ended June 30, 2019 and 2018, respectively and $6,249 and $(6,853) for the six months ended June 30, 2019 and 2018, respectively	8,967	(2,368)	23,508	(25,778)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	(301)	0	(507)	0
Other comprehensive income (loss)	9,146	(2,368)	23,481	(23,754)
Comprehensive income	$ 31,309	$ 25,873	$ 71,099	$ 35,610