Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (1,616)	$ 4,062
Other comprehensive income (loss):
Net unrealized gain (loss) on cashflow hedge	497	(1,462)
Net unrealized gain (loss) on available for sale debt securities	190	657
Other Comprehensive Income (Loss), Net of Tax	687	(805)
Total comprehensive income (loss)	$ (929)	$ 3,257