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Long-Term Debt (Schedule of Long-Term Debt) (Parenthetical) (Detail)
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9 Months Ended |
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Sep. 30, 2012
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| Segment Reporting Information [Line Items] | |
| Subordinated borrowing, interest rate | 11.25% |
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11.25% Senior Notes Due August 1, 2016 [Member]
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| Segment Reporting Information [Line Items] | |
| Subordinated borrowing, interest rate | 11.25% |
| Debt instrument, maturity date | Aug. 01, 2016 |
| X | ||||||||||
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- Definition
Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Stated interest rate of the subordinated debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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