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Investment Portfolio - Carrying Value and Income from Partnerships (Detail) (USD $) | 9 Months Ended | 12 Months Ended
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Sep. 30, 2014 | Dec. 31, 2013
Investments, Debt and Equity Securities [Abstract] |  |
Total partnership assets | $ 112,580,280 | $ 122,106,403
Total partnership liabilities | 20,624,650 | 25,217,600
Net partnership assets | 91,955,630 | 96,888,803
DHCM’s portion of net assets | 4,711,277 | 3,001,461
Net partnership income | 4,682,472 | 24,294,495
DHCM’s portion of net income | $ 286,013 | $ 899,958

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- Definition Net partnership assets. + References No definition available. + Details
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- Definition Net partnership income. + References No definition available. + Details
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- Definition Partnership assets. + References No definition available. + Details
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- Definition Partnership liabilities. + References No definition available. + Details
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- Definition Portion in net partnership income. + References No definition available. + Details
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- Definition Portion of net partnership assets. + References No definition available. + Details
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- Details
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