Condensed Consolidated Statements of Comprehensive Income (Loss) (unaudited) - USD ($) $ in Thousands	3 Months Ended		5 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2015	Sep. 30, 2016
Statement Of Income And Comprehensive Income [Abstract]
Net (loss) income	$ (2,343)	$ 9,403	$ 17,704	$ 4,158
Other comprehensive (loss) income:
Unrealized (loss) gain on derivative contracts	(1,870)	(42,544)	(13,993)	(63,331)
Changes in foreign currency translation	(101)			(180)
Other comprehensive (loss) income	(1,971)	(42,544)	(13,993)	(63,511)
Comprehensive (loss) gain	$ (4,314)	$ (33,141)	$ 3,711	$ (59,353)