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Long-Term Debt Senior Subordinated Notes (Details) (USD $)
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3 Months Ended | 9 Months Ended | 0 Months Ended | 1 Months Ended | 3 Months Ended | 3 Months Ended | 9 Months Ended | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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May 09, 2014
Subordinated Debt [Member]
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Mar. 08, 2013
Subordinated Debt [Member]
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Feb. 28, 2014
Subordinated Debt [Member]
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Sep. 30, 2014
Subordinated Debt [Member]
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Mar. 31, 2014
Subordinated Debt [Member]
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Dec. 31, 2013
Subordinated Debt [Member]
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Sep. 30, 2013
Subordinated Debt [Member]
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May 09, 2014
Subordinated Debt [Member]
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Feb. 21, 2014
Subordinated Debt [Member]
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Jan. 22, 2014
Subordinated Debt [Member]
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Oct. 18, 2013
Subordinated Debt [Member]
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Aug. 01, 2013
Subordinated Debt [Member]
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Mar. 08, 2013
Subordinated Debt [Member]
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Mar. 10, 2010
Subordinated Debt [Member]
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Sep. 30, 2014
Senior Subordinated Notes [Member]
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Sep. 30, 2014
Senior Secured Notes, due 2018 [Member]
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Sep. 30, 2013
Senior Secured Notes, due 2018 [Member]
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Aug. 05, 2014
Senior Secured Notes, due 2018 [Member]
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Dec. 31, 2013
Senior Secured Notes, due 2018 [Member]
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Jul. 02, 2013
Senior Secured Notes, due 2018 [Member]
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Aug. 01, 2013
IPO Proceeds [Member]
Subordinated Debt [Member]
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Aug. 01, 2013
Term Loan Incremental Borrowings [Member]
Subordinated Debt [Member]
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| 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 | |||||||||||||||