Debt Obligations (Senior Notes Narrative) (Details) (USD $)	Oct. 31, 2012 First Priority Notes [Member] Senior Notes [Member]	Feb. 29, 2012 First Priority Notes [Member] Senior Notes [Member]	Feb. 29, 2012 Second Priority Notes [Member] Senior Notes [Member]	Mar. 31, 2014 Senior Notes,12% Fixed Rate, Due 2018 [Member]	Dec. 31, 2013 Senior Notes,12% Fixed Rate, Due 2018 [Member]
Debt Instrument [Line Items]
Debt principal amount	$ 54,000,000	$ 350,000,000	$ 150,000,000
Interest rate	12.00%	12.00%	12.00%	12.00%	12.00%