Goodwill and Intangible Assets - Amortizing and Indefinite-lived Intangible Assets (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
	Jan. 15, 2021	Dec. 31, 2021	Sep. 30, 2019	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jun. 30, 2021	Jun. 11, 2021	Apr. 20, 2021	Mar. 31, 2021
Amortizing Intangible Assets
Gross Carrying Amount​		$ 98,775		$ 105,110	$ 98,775
Accumulated Amortization		(6,142)		(9,550)	(6,142)
Impairment Loss		(50,618)		(43,317)	(50,618)
Total		42,015		52,243	42,015
Total intangible assets
Gross Carrying Amount​		99,306		105,641	99,306
Impairment Loss		(50,618)		(43,323)	(50,618)
Net Balance		42,546		52,768	42,546
Asset impairments				91,333	71,070	$ 33,230
Timios Title Plant E
Indefinite lived intangible assets
Gross Carrying Amount​		500		500	500
Net Balance		500		500	500
Website name
Indefinite lived intangible assets
Gross Carrying Amount​		25		25	25
Net Balance		25		25	25
Title License
Indefinite lived intangible assets
Gross Carrying Amount​		6		6	6
Impairment Loss				(6)
Net Balance		6			6
Patent
Indefinite lived intangible assets
Gross Carrying Amount​		0		$ 0	0
Net Balance		0			0
Grapevine Logic, Inc. ("Grapevine")
Total intangible assets
Percentage of ownership interest							100.00%		100.00%
DBOT
Total intangible assets
Asset impairments					9,300
Intangible assets acquired			$ 8,300
Percentage of ownership interest acquired			99.00%
Tree Technologies
Total intangible assets
Value of capital stock issued		11,300
Percentage of ownership interest acquired						51.00%
WAVE
Total intangible assets
Value of capital stock issued	$ 28,616
Percentage of ownership interest acquired	100.00%									100.00%
Solectrac
Total intangible assets
Percentage of ownership interest acquired								78.60%
Percent of battery power							100.00%
Timios
Total intangible assets
Percentage of ownership interest acquired										100.00%
Continuing membership agreements
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)				16 years 6 months
Gross Carrying Amount​		1,179		$ 1,179	1,179
Accumulated Amortization		(649)		(679)	(649)
Impairment Loss		0		(500)	0
Total		530		$ 0	530
Total intangible assets
Asset impairments			$ 7,100
Value of capital stock issued			600
Continuing membership agreements | DBOT
Total intangible assets
Asset impairments			$ 30
Patents, trademarks and brands
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)				37 years 2 months 12 days
Gross Carrying Amount​		39,820		$ 22,974	39,820
Accumulated Amortization		(2,715)		(1,625)	(2,715)
Impairment Loss		(30,492)		(1,520)	(30,492)
Total		6,613		$ 19,829	6,613
Customer relationships
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)				13 years 8 months 12 days
Gross Carrying Amount​		0		$ 13,937	0
Accumulated Amortization		0		(824)	0
Impairment Loss		0		0	0
Total		0		$ 13,113	0
Land
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)				96 years
Gross Carrying Amount​		27,102		$ 25,653	27,102
Accumulated Amortization		(411)		(649)	(411)
Impairment Loss		0		(25,004)	0
Total		26,691		$ 0	26,691
Licenses
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)				21 years 9 months 18 days
Gross Carrying Amount​		1,000		$ 1,141	1,000
Accumulated Amortization		(65)		(148)	(65)
Impairment Loss		0		0	0
Total		935		$ 993	935
Lender relationships
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)				5 years
Gross Carrying Amount​		16,600		$ 16,600	16,600
Accumulated Amortization		(1,638)		(2,034)	(1,638)
Impairment Loss		(12,550)		(12,548)	(12,550)
Total		2,412		$ 2,018	2,412
Internally developed software
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)				1 year 7 months 6 days
Gross Carrying Amount​		452		$ 760	452
Accumulated Amortization		(76)		(266)	(76)
Impairment Loss		0		(494)	0
Total		376		$ 0	376
Software
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)				9 years 8 months 12 days
Gross Carrying Amount​		4,492		$ 4,491	4,492
Accumulated Amortization		(178)		(1,288)	(178)
Impairment Loss		0		(3,182)	0
Total		4,314		21	4,314
Total intangible assets
Asset impairments				$ 1,200
Non-compete
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)				0 years
Gross Carrying Amount​		520		$ 0	520
Accumulated Amortization		(57)		0	(57)
Impairment Loss		(463)		0	(463)
Total		0		$ 0	0
Technology
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)				7 years 2 months 12 days
Gross Carrying Amount​		7,460		$ 18,225	7,460
Accumulated Amortization		(347)		(1,956)	(347)
Impairment Loss		(7,113)		0	(7,113)
Total		0		$ 16,269	0
Marketing and distribution agreement
Total intangible assets
Asset impairments		12,500
Other
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)				10 months 24 days
Gross Carrying Amount​		150		$ 150	150
Accumulated Amortization		(6)		(81)	(6)
Impairment Loss		0		(69)	0
Total		$ 144		$ 0	$ 144