Net Capital Requirements of Broker-Dealer Subsidiaries - Additional Information (Detail) - National Securities [Member] |
Dec. 31, 2017
USD ($)
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| Net Capital | $ 10,000,000 |
| Excess Net Capital at 1000 Percent | 9,700,000 |
| Minimum Net Capital Required for Broker-Dealer Subsidiary | $ 250,000 |
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- Definition The amount of net capital in excess of the level at which the broker-dealer may be prohibited from expanding its business. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Minimum amount of net capital required to be maintained by entity's broker-dealer subsidiary to engage in securities transactions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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