Segment Reporting - Reconcilliation of Segment Data to the Consolidated Financial Statements (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Segment Reporting [Abstract]
Operating (loss) income	$ (973)	$ 18,156
Interest expense, net	(10,188)	(10,193)
Interest expense - unrealized loss on debt conversion option	0	(11,340)
Other income (expense)	(2,299)	442
Loss before income taxes and equity in earnings of joint venture	(13,460)	(2,935)
Equity in earnings of joint venture	1,469	3,008
Consolidated (loss) income before income taxes	$ (11,991)	$ 73