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Supplemental Guarantor Information Guarantor (Details) (USD $)
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Sep. 30, 2014
Subordinated Debt [Member]
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May 09, 2014
Subordinated Debt [Member]
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Mar. 31, 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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Dec. 31, 2013
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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Aug. 05, 2014
Senior Notes [Member]
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Sep. 30, 2014
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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Sep. 30, 2014
Senior notes due 2019 [Member]
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Aug. 05, 2014
Senior notes due 2019 [Member]
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Mar. 20, 2014
Senior notes due 2019 [Member]
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Dec. 31, 2013
Senior notes due 2019 [Member]
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |