Discontinued Operations - Schedule of Operating Results of Discontinued Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations, net of tax	$ (29,276)	$ (68,452)
Discontinued Operations, Disposed of by Sale | Timios Holdings Corp
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenue	16,412	75,835
Cost of revenue	15,418	73,261
Gross profit	994	2,574
Selling and administrative expenses	20,219	35,105
Depreciation and amortization	455	2,409
Asset impairments	10,519	43,694
Other operating costs	31	1,233
Operating loss	(30,230)	(79,867)
Non-operating income (expense)	814	5,278
Income tax benefit	140	6,137
Loss from discontinued operations, net of tax	(29,276)	(68,452)
Discontinued Operations, Held-for-sale | Energica, Solectrac, Wave Technologies and US Hybrid
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenue	11,732	16,341
Cost of revenue	15,284	19,128
Gross profit	(3,552)	(2,787)
Selling and administrative expenses	21,738	21,199
Depreciation and amortization	4,954	4,173
Asset impairments	20,001	22,673
Other operating costs	2,270	3,449
Operating loss	$ (52,515)	$ (54,281)