Supplemental Guarantor Information Guarantor (Details) (USD $)	Sep. 30, 2014 Subordinated Debt [Member]	May 09, 2014 Subordinated Debt [Member]	Mar. 31, 2014 Subordinated Debt [Member]	Feb. 21, 2014 Subordinated Debt [Member]	Jan. 22, 2014 Subordinated Debt [Member]	Dec. 31, 2013 Subordinated Debt [Member]	Oct. 18, 2013 Subordinated Debt [Member]	Aug. 01, 2013 Subordinated Debt [Member]	Mar. 08, 2013 Subordinated Debt [Member]	Mar. 10, 2010 Subordinated Debt [Member]	Aug. 05, 2014 Senior Notes [Member]	Sep. 30, 2014 Senior Secured Notes, due 2018 [Member]	Aug. 05, 2014 Senior Secured Notes, due 2018 [Member]	Dec. 31, 2013 Senior Secured Notes, due 2018 [Member]	Jul. 02, 2013 Senior Secured Notes, due 2018 [Member]	Sep. 30, 2014 Senior notes due 2019 [Member]	Aug. 05, 2014 Senior notes due 2019 [Member]	Mar. 20, 2014 Senior notes due 2019 [Member]	Dec. 31, 2013 Senior notes due 2019 [Member]
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount		$ 42,500,000	$ 50,000,000	$ 20,000,000	$ 30,000,000		$ 155,000,000	$ 324,000,000	$ 50,000,000	$ 28,500,000			$ 325,000,000		$ 175,000,000		$ 234,700,000	$ 25,000,000
Debt, short-term and long-term	0					92,500,000					600,000,000	0		325,000,000		1,045,300,000			1,305,000,000
Long-term Debt, stated interest rate	12.535%											8.00%				8.50%
Debt Instrument, Repurchase Amount																	$ 234,700,000