Notes Payable, Long-Term Debt and Other Obligations Non Cash Interest Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Debt Instrument [Line Items]
Amortization of debt discount	$ 7,563	$ 8,464	$ 20,019	$ 15,812
Amortization of deferred finance costs	1,055	447	1,763	1,044
Loss on extinguishment of 11% Senior Secured Notes	0	0	0	3,638
Non-cash Interest Expense	9,057	8,911	25,900	20,494
6.75% Variable Interest Senior Convertible Note due 2014 - Vector
Debt Instrument [Line Items]
Acceleration of interest expense	0	0	3,679
6.75% Variable Interest Senior Convertible Exchange Notes due 2014
Debt Instrument [Line Items]
Acceleration of interest expense	439	0	439
Convertible Debt [Member] | 6.75% Variable Interest Senior Convertible Note due 2014 - Vector
Debt Instrument [Line Items]
Acceleration of interest expense				0
Convertible Debt [Member] | 6.75% Variable Interest Senior Convertible Exchange Notes due 2014
Debt Instrument [Line Items]
Acceleration of interest expense				$ 0