Income Taxes (Deferred Tax Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred Tax Liabilities, Net, Classification [Abstract]
Accrued expenses	$ 1,251	$ 1,455
Deferred Finance Costs, Net	0	863
Deferred transaction cost	0	(5,981)
Deferred Tax Assets, Net of Valuation Allowance	50,819	53,814
Deferred Tax Liabilities, Net, Current	0	(7,075)
Deferred Tax Assets, Operating Loss Carryforwards	49,499	51,488
Deferred Tax Assets, Equity Method Investments	0	5,981
Deferred Tax Assets, Other Comprehensive Loss	61	0
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	8	8
Deferred Tax Assets, Gross	50,819	59,795
Deferred Tax Liabilities Long Term	(176,471)	(184,889)
Deferred Tax Liabilities, Other Comprehensive Income	0	(56)
Deferred Tax Liabilities, Other	(3,405)	(2,424)
Deferred Tax Liabilities, Gross	179,876	194,444
Deferred Tax Liabilities, Net, Noncurrent	$ (129,057)	$ (140,630)