Long-Term Debt Senior Subordinated Notes (Details) (USD $)	3 Months Ended		9 Months Ended		0 Months Ended		1 Months Ended	3 Months Ended												3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	May 09, 2014 Subordinated Debt [Member]	Mar. 08, 2013 Subordinated Debt [Member]	Feb. 28, 2014 Subordinated Debt [Member]	Sep. 30, 2014 Subordinated Debt [Member]	Mar. 31, 2014 Subordinated Debt [Member]	Dec. 31, 2013 Subordinated Debt [Member]	Sep. 30, 2013 Subordinated Debt [Member]	May 09, 2014 Subordinated Debt [Member]	Feb. 21, 2014 Subordinated Debt [Member]	Jan. 22, 2014 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]	Sep. 30, 2014 Senior Subordinated Notes [Member]	Sep. 30, 2014 Senior Secured Notes, due 2018 [Member]	Sep. 30, 2013 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]	Aug. 01, 2013 IPO Proceeds [Member] Subordinated Debt [Member]	Aug. 01, 2013 Term Loan Incremental Borrowings [Member] Subordinated Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, stated interest rate								12.535%												8.00%
Debt, short-term and long-term								$ 0		$ 92,500,000									$ 0	$ 0			$ 325,000,000
Senior Subordinated Notes, repurchased amount									50,000,000			42,500,000	20,000,000	30,000,000	155,000,000	324,000,000	50,000,000	28,500,000				325,000,000		175,000,000	146,000,000	178,000,000
Redemption Premium, percentage of par value												104.178%	104.178%		104.178%	106.268%	106.268%					0.00%		108.00%
Extinguishment of Debt, Fees Paid to Lenders					1,800,000	3,100,000			2,100,000	6,500,000	20,300,000									13,000,000	14,000,000
Write off of Deferred Debt Issuance Cost						800,000	600,000	400,000		2,000,000	4,300,000									4,000,000	2,700,000
Extinguishment of Debt, Accrued Interest Paid to Lenders												400,000	1,900,000		200,000	12,000,000	2,500,000							700,000
Net loss on extinguishments of long-term debt	$ 45,800,000	$ 41,300,000	$ 53,800,000	$ 55,500,000		$ 3,900,000		$ (2,200,000)	$ 2,700,000	$ 8,500,000	$ 24,600,000									$ (23,700,000)	$ 16,700,000