Consolidated Statements of Comprehensive Income (unaudited) (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]
Net unrealized (loss) on cashflow hedge	$ 379	$ (1,173)	$ (1,030)	$ (2,384)
Net unrealized (loss) on cashflow hedge, deferred tax	140	(434)	(381)	(882)
Net unrealized gain (loss) on available for sale debt securities	(2,683)	2,282	(1,956)	5,468
Net unrealized gain (loss) on available for sale debt securities, deferred taxes	(993)	844	(724)	2,023
Net unrealized gain on available for sale debt securities, reclassification adjustment for net realized gains (losses) included in net income	$ 170	$ (43)	$ 650	$ (64)