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Service Agreements and Related Party Transactions - Additional Information (Detail) (USD $) | 3 Months Ended | 6 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Mar. 19, 2012 | Sep. 30, 2012 | Sep. 30, 2013 | Jul. 30, 2013
Related Party Transactions [Abstract] |  |  |  |
Expenses incurred under the agreements | $ 0 | $ 1,100,000,000 | $ 1,300,000,000 |
Description of fee |  |  |  | Fee equal to the product of (x) the ending dollar amount of assets under management during the calendar month in question and (y) .002 divided by 12.
Administrative services agreement fee |  |  | $ 110,000 |
Pro Rata Share of the Common Stock Election |  |  | 10,000,000 |
Percentage of Pro Rata Share of the Common Stock Election |  |  | 5.00% |
Principal amount of Runoff Notes |  |  | $ 1.00 |
Percentage of interest in Litigation Proceeds |  |  | 50.00% |

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- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
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- Details
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- Definition Description of fee. + References No definition available. + Details
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- Definition Percentage of Interest in Litigation Proceeds + References No definition available. + Details
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- Definition Percentage of Pro Rata Share of Common Stock Election + References No definition available. + Details
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- Definition Principal Amount of Runoff Notes + References No definition available. + Details
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- Definition Pro Rata Share of Common Stock Election + References No definition available. + Details
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- Definition Related party Transaction administrative services agreement fee. + References No definition available. + Details
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