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Investments - Equity Method Investments (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)
Investments, Debt and Equity Securities [Abstract]
Total assets	$ 280,346,497	$ 280,346,497
Total liabilities	33,583,129	33,583,129
Net assets	246,763,368	246,763,368
DHCM's portion of net assets	60,915,291	60,915,291
Investment income	1,470,082	2,669,802
Expenses	380,380	720,779
Net realized losses	(1,108,621)	(3,367,321)
Net unrealized appreciation (depreciation)	14,315,248	(4,496)
Net income (loss)	14,296,329	(1,422,794)
DHCM's portion of net income (loss)	$ 3,959,381	$ 283,826

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