CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ (69,836)	$ 279,370	$ (91,044)
Other comprehensive loss:
Reclassification adjustments for derivative gains included in net income (loss)	(767)	(1,391)	(1,527)
Other comprehensive loss	(767)	(1,391)	(1,527)
Comprehensive income (loss)	$ (70,603)	$ 277,979	$ (92,571)