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Investment Portfolio - Equity Method Investments (Details)	3 Months Ended	9 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)
Investments, Debt and Equity Securities [Abstract]
Total assets	$ 130,983,409	$ 130,983,409
Total liabilities	36,624,404	36,624,404
Net assets	94,359,005	94,359,005
DHCM's portion of net assets	29,753,573	29,753,573
Investment Income	643,059	2,164,621
Expenses	300,273	865,475
Net realized gains (losses)	599,849	3,171,574
Net change in unrealized appreciation/depreciation	(726,509)	2,887,675
Net income	216,126	7,358,395
DHCM's portion of net income	$ 324,189	$ 2,372,528

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