Consolidated Statements of Comprehensive Income (unaudited) - 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 income	$ 4,010	$ 2,432	$ 8,294	$ 4,822
Other comprehensive income (loss):
Net unrealized gain (loss) on cashflow hedge	239	(739)	(649)	(1,502)
Net unrealized gain (loss) on available for sale debt securities	(1,690)	1,438	(1,232)	3,445
Total comprehensive income	$ 2,559	$ 3,131	$ 6,413	$ 6,765