Consolidated Statements of Comprehensive Income (unaudited) - 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]
Net income	$ 3,661	$ 3,336	$ 11,956	$ 8,158
Other comprehensive income (loss):
Net unrealized gain (loss) on cashflow hedge	(1,281)	102	(1,930)	(1,361)
Net unrealized gain (loss) on available for sale debt securities	656	641	(577)	4,058
Total comprehensive income	$ 3,036	$ 4,079	$ 9,449	$ 10,855