Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 7,443	$ (1,616)
Other comprehensive (loss) income:
Net unrealized gain (loss) on cashflow hedge	715	497
Net unrealized gain (loss) on available for sale debt securities	(3,335)	190
Other Comprehensive Income (Loss), Net of Tax	(2,620)	687
Total comprehensive income (loss)	$ 4,823	$ (929)