Consolidated Condensed Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Unrealized net holding gain (loss) on securities available-for-sale, Tax expense	$ (4,432)	$ 7,042	$ (200)	$ 12,933