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Investment Portfolio - Equity Method Investments (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Investments, Debt and Equity Securities [Abstract]
Total assets	$ 200,584,608		$ 189,819,824
Total liabilities	45,863,330		45,931,979
Net assets	154,721,278		143,887,845
DHCM's portion of net assets	36,711,852		$ 41,338,406
Investment Income	458,399	$ 355,853
Expenses	370,393	62,226
Net realized gains (losses)	1,299,286	(95,785)
Net change in unrealized appreciation/depreciation	2,921,247	1,104,266
Net income	4,308,539	1,302,108
DHCM's portion of net income	$ 1,416,849	$ 646,565

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The amount of expenses reported by an equity method investment of the entity.

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The amount of net realized gains (losses) reported by an equity method investment of the entity.

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