Consolidated Condensed Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Unrealized net holding gain (loss) on securities available-for-sale, Tax expense	$ 3,528	$ (1,564)	$ 3,328	$ 11,369