Condensed Consolidated Statements of Other Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Condensed Consolidated Statements of Other Comprehensive Income (Loss)
Net income (Loss)	$ (17,395)	$ 1,612	$ (12,915)	$ 4,191
Other comprehensive income (loss):
Unrealized gain (loss) on derivative financial instruments	(2,411)	(677)	(538)	(6,792)
Total other comprehensive income (loss)	(2,411)	(677)	(538)	(6,792)
Comprehensive income (loss)	$ (19,806)	$ 935	$ (13,453)	$ (2,601)