Income Taxes - Components of Income Tax (Expense) Benefit (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Current Federal Tax (Expense) Benefit	$ 0	$ 0	$ 0
Current State and Local Tax (Expense) Benefit	(3,300,000)	(4,000,000)	(3,400,000)
Current Income Tax (Expense) Benefit	(3,300,000)	(4,000,000)	(3,400,000)
Deferred Federal Income Tax (Expense) Benefit	53,800,000	(900,000)	1,400,000
Deferred State and Local Income Tax (Expense) Benefit	4,600,000	100,000	(300,000)
Deferred Income Tax (Expense) Benefit	58,400,000	(800,000)	1,100,000
Federal Income Tax (Expense) Benefit, Continuing Operations	53,800,000	(900,000)	1,400,000
State and Local Income Tax (Expense) Benefit, Continuing Operations	1,300,000	(3,900,000)	(3,700,000)
Income tax (expense) benefit from continuing operations	$ (55,055,000)	$ 4,764,000	$ 2,284,000