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Consolidation and Basis of Presentation - Additional Information (Detail)
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0 Months Ended | 3 Months Ended |
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Dec. 31, 2013
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Sep. 30, 2013
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14% Note due 2017 [Member]
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| Organization Consolidation And Presentation Of Financial Statements [Line Items] | ||
| Debt instrument, interest rate | 14.00% | |
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Restricted Stock [Member]
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| Organization Consolidation And Presentation Of Financial Statements [Line Items] | ||
| Conversion of units to shares | 8,121,101 | |
| Anti-dilutive securities excluded from dilutive earning per share calculation | 2,301,603 | |
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Common Stock [Member]
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| Organization Consolidation And Presentation Of Financial Statements [Line Items] | ||
| Conversion of units to shares | 45,708,573 |