CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Tax effect on unrealized holding gains (losses) on securities arising during the period	$ (1,100)	$ 584	$ 741	$ (556)	$ 2,100
Income tax expense on reclassification adjustment for net gain on sale of securities included in net income	$ 57	$ 48	$ 40	$ 105	$ 66