Segment Reporting - Schedule of Reportable Operating Segments (Details)	3 Months Ended						9 Months Ended
	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Sep. 30, 2020 USD ($) segment	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment							2
Segment Reporting Information [Line Items]
Revenue	$ 49,425			$ 48,350			$ 146,225	$ 130,132
Costs and Expenses	(1,530,997)			(840,733)			(4,060,615)	(3,944,750)
Operating Income (Loss)	(1,481,572)			(792,383)			(3,914,390)	(3,814,618)
Gain on sale of membership interests in Comstock Mining LLC	18,275,846			0			18,275,846	0
Change in estimated fair value of contingent forward asset	(647,502)			0			765,880	0
Interest expense	(164,448)			(179,588)			(306,692)	(822,632)
Other income (expense) (Note 19)	1,347,738			1,358,868			3,522,192	1,111,338
Net income (loss)	17,330,062	$ 1,275,986	$ (263,212)	386,897	$ (2,077,744)	$ (1,835,065)	18,342,836	(3,525,912)
Capital Expenditures	4,000			550,000			15,000	1,635,000
Depreciation, Amortization, and Depletion	776,233			399,375			1,091,904	1,573,236
Assets	48,170,095						48,170,095		$ 39,569,892
Mining
Segment Reporting Information [Line Items]
Revenue	0			0			0	0
Costs and Expenses	(832,040)			(832,082)			(3,332,742)	(3,913,388)
Operating Income (Loss)	(832,040)			(832,082)			(3,332,742)	(3,913,388)
Capital Expenditures	4,000			0			15,000	0
Depreciation, Amortization, and Depletion	86,082			396,910			386,671	1,565,841
Assets	39,355,282						39,355,282		30,106,865
Real estate (Note 13)
Segment Reporting Information [Line Items]
Revenue	49,425			48,350			146,225	130,132
Costs and Expenses	(698,957)			(8,651)			(727,873)	(31,362)
Operating Income (Loss)	(649,532)			39,699			(581,648)	98,770
Capital Expenditures	0			550,000			0	1,635,000
Depreciation, Amortization, and Depletion	690,151			$ 2,465			705,233	$ 7,395
Assets	$ 8,814,813						$ 8,814,813		$ 9,463,027