Consolidated 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 gain (loss) on securities, tax expense (benefit)	$ 1	$ (209)	$ 98	$ (286)
Accretion of unrealized loss on securities reclassified to held-to-maturity, tax expense	$ 138	125	$ 263	233
Reclassification adjustment for gains included in net income, tax expense		$ 142		$ 142