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Description of Business, Basis of Presentation and Recent Accounting Pronouncements - Additional Information 2 (Detail) (Maximum [Member])
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12 Months Ended | |
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Dec. 31, 2013
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Dec. 31, 2012
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Commissions or notes receivable [Member] | Credit Concentration Risk [Member]
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| Concentration Risk [Line Items] | ||
| Customer risk percentage | 10.00% | 10.00% |
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Total revenues [Member] | Customer Concentration Risk [Member]
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| Concentration Risk [Line Items] | ||
| Customer risk percentage | 10.00% | 10.00% |
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- Details
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- Definition
For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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