Goodwill and Intangible Assets - Amortizing and Indefinite-lived Intangible Assets (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 15, 2021	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2019	Jun. 30, 2021	Jun. 11, 2021	Apr. 20, 2021	Jan. 08, 2021	Dec. 31, 2019
Amortizing Intangible Assets
Gross Carrying Amount​		$ 104,953	$ 98,775
Accumulated Amortization		(4,483)	(6,142)
Impairment Loss		(11,412)	(50,618)
Total		89,058	42,015
Total intangible assets
Gross Carrying Amount​		105,484	99,306
Impairment Loss		(11,418)
Net Balance		89,583	$ 42,546
Asset impairment		$ 81		$ 0
Grapevine Logic, Inc. ("Grapevine")
Total intangible assets
Percentage of ownership interest							100.00%		100.00%
DBOT
Total intangible assets
Percentage of ownership interest acquired						99.00%
Finite-lived intangible assets acquired						$ 8,300
Tree Technologies
Total intangible assets
Percentage of ownership interest acquired			51.00%								51.00%
Fair value of previously held interest			$ 11,300
Timios
Total intangible assets
Percentage of ownership interest acquired		100.00%								100.00%
WAVE
Total intangible assets
Percentage of ownership interest acquired	100.00%			100.00%
Fair value of previously held interest	$ 28,616
Solectrac
Total intangible assets
Percentage of ownership interest acquired								78.60%
Percent of battery power		100.00%
Timios Title plant
Indefinite lived intangible assets
Gross Carrying Amount​		$ 500	500
Net Balance		500	500
Website name
Indefinite lived intangible assets
Gross Carrying Amount​		25	25
Net Balance		25	25
Title License
Indefinite lived intangible assets
Gross Carrying Amount​		6	6
Impairment Loss		(6)
Net Balance		$ 0	6
Continuing membership agreement
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)		17 years 3 months 18 days
Gross Carrying Amount​		$ 1,179	1,179
Accumulated Amortization		(657)	(649)
Impairment Loss		0	0
Total		$ 522	530
Total intangible assets
Fair value of previously held interest						600
Asset impairment						7,100
Continuing membership agreement | DBOT
Total intangible assets
Asset impairment						$ 30
Patents, trademarks and brands
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)		55 years 7 months 6 days
Gross Carrying Amount​		$ 22,526	39,820
Accumulated Amortization		(718)	(2,715)
Impairment Loss		(672)	(30,492)
Total		$ 21,136	6,613
Customer relationships
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)		14 years 6 months
Gross Carrying Amount​		$ 14,445
Accumulated Amortization		(105)
Impairment Loss		0
Total		$ 14,340
Land use rights
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)		96 years 9 months 18 days
Gross Carrying Amount​		$ 26,928	27,102
Accumulated Amortization		(465)	(411)
Impairment Loss		0	0
Total		$ 26,463	26,691
Licenses
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)		13 years 9 months 18 days
Gross Carrying Amount​		$ 1,000	1,000
Accumulated Amortization		(82)	(65)
Impairment Loss		0	0
Total		$ 918	935
Lender relationships
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)		5 years 9 months 18 days
Gross Carrying Amount​		$ 14,790	16,600
Accumulated Amortization		(1,737)	(1,638)
Impairment Loss		(10,740)	(12,550)
Total		$ 2,313	2,412
Internally developed software
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)		2 years 3 months 18 days
Gross Carrying Amount​		$ 553	452
Accumulated Amortization		(112)	(76)
Impairment Loss		0	0
Total		$ 441	376
Software
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)		11 years 6 months
Gross Carrying Amount​		$ 4,492	4,492
Accumulated Amortization		(444)	(178)
Impairment Loss		0	0
Total		$ 4,048	4,314
Non-compete
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)		0 years
Gross Carrying Amount​		$ 0	520
Accumulated Amortization		0	(57)
Impairment Loss		0	(463)
Total		$ 0	0
Technology
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)		8 years
Gross Carrying Amount​		$ 18,890	7,460
Accumulated Amortization		(138)	(347)
Impairment Loss		0	(7,113)
Total		$ 18,752	0
Assembled workforce
Amortizing Intangible Assets
Weighted Average Remaining Useful Life (in years)		1 year 8 months 12 days
Gross Carrying Amount​		$ 150	150
Accumulated Amortization		(25)	(6)
Impairment Loss		0	0
Total		$ 125	$ 144
Marketing and distribution agreement
Total intangible assets
Asset impairment					$ 12,500