Segment Reporting - Reconcilliation of Segment Data to the Consolidated Financial Statements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Segment Reporting [Abstract]
Operating income (loss)	$ 175	$ (3,024)	$ (79,038)	$ (7,760)
Interest expense, net	(10,148)	(10,177)	(29,988)	(30,455)
Other (expense) income	(2,335)	166	(1,427)	(1,388)
Loss before income taxes and equity in earnings of joint venture	(12,308)	(13,035)	(110,453)	(39,603)
Equity in earnings of joint venture	2,213	1,853	5,914	4,816
Consolidated loss before income taxes	$ (10,095)	$ (11,182)	$ (104,539)	$ (34,787)