Notes Payable, Long Term Debt and Other Obligations Non Cash Interest Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Debt Disclosure [Abstract]
Amortization of debt discount	$ 7,348	$ 3,437
Amortization of deferred finance costs	597	710
Accelerated interest expense on 11% senior secured notes converted	3,638	0
Non-cash Interest Expense	$ 11,583	$ 4,147