Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 4,062	$ 4,285
Other comprehensive income (loss):
Net unrealized gain (loss) on cashflow hedge	(1,462)	(890)
Net unrealized gain (loss) on available for sale debt securities	657	459
Total comprehensive income	$ 3,257	$ 3,854