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Investments - Equity Method Investments (Details)	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Investments, Debt and Equity Securities [Abstract]
Total assets	$ 236,700,619	$ 236,700,619
Total liabilities	41,168,623	41,168,623
Net assets	195,531,996	195,531,996
DHCM's portion of net assets	61,143,224	61,143,224
Investment income	962,281	4,148,489
Expenses	345,111	955,320
Net realized gains	858,741	5,243,737
Net change in unrealized appreciation	1,719,459	11,782,498
Net income	3,195,370	20,219,404
DHCM's portion of net income	$ 1,196,750	$ 7,014,994

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