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Capital and Reserve Requirement Information - Summary of Aggregate Indebtedness, Net Capital and Resultant Ratio for VPD (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
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Brokers and Dealers [Abstract] |  |  |
Aggregate indebtedness | $ 23,511 us-gaap_AggregateIndebtedness | $ 28,020 us-gaap_AggregateIndebtedness | $ 23,443 us-gaap_AggregateIndebtedness
Net capital | $ 21,919 us-gaap_NetCapital | $ 22,086 us-gaap_NetCapital | $ 16,617 us-gaap_NetCapital
Ratio of aggregate indebtedness to net capital | 1.1 us-gaap_RatioOfIndebtednessToNetCapital1 | 1.3 us-gaap_RatioOfIndebtednessToNetCapital1 | 1.4 us-gaap_RatioOfIndebtednessToNetCapital1

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- Definition Total current liabilities of the broker-dealer, less certain exceptions as defined. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Rule 15c3 -Number 240 -Section 1 -Paragraph 1 -Subparagraph i -Article 15c3 -Subsection a Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Rule 15c3 -Number 240 -Section 1 -Paragraph 1 -Article 15c3 -Subsection c + Details
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- Details
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- Definition Net capital is equal to the net worth of the broker dealer, less certain items such as exchange memberships, carrying value of securities not readily marketable, haircuts on marketable securities in proprietary accounts, furniture and equipment and other illiquid assets as defined. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Rule 15c3 -Number 240 -Section 1 -Paragraph 1 -Subparagraph ii -Article 15c3 -Subsection a + Details
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- Definition Indebtedness divided by net capital. + References No definition available. + Details
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