Acquisitions and Divestitures - Narrative (Details) shares in Thousands, € in Millions, ¥ in Millions											3 Months Ended	12 Months Ended
	Nov. 29, 2022 USD ($)	Nov. 29, 2022 CNY (¥)	Jul. 12, 2022 shares	Mar. 14, 2022 USD ($)	Feb. 09, 2022 USD ($)	Feb. 09, 2022 EUR (€)	Jun. 11, 2021 USD ($) earnout	Jun. 10, 2021 USD ($) shares	Jan. 15, 2021 USD ($) earnout shares	Jan. 08, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 07, 2022	Sep. 15, 2021	Jun. 30, 2021	Apr. 21, 2021	Apr. 20, 2021	Mar. 31, 2021	Mar. 03, 2021	Dec. 31, 2019 USD ($)
Acquisitions and Divestitures
Gain on remeasurement of investment												$ 10,965,000	$ 2,915,000	$ 0
Amortization expense relating to intangible assets												6,000,000	5,500,000	5,200,000
Contingent consideration											$ 999,000	867,000	999,000
Change in fair value of contingent consideration, net												(131,000)	(9,600,000)	(5,503,000)
Gross profit margins												(815,000)	23,228,000	2,057,000
Goodwill											16,161,000	37,775,000	16,161,000	705,000								$ 31,654,000
(Loss) Gain on disposal of subsidiaries, net												$ (276,000)	(1,264,000)	$ 276,000
Energica Motor Company, Inc.
Acquisitions and Divestitures
Ownership percentage, equity method												72.40%									20.00%
Energica Motor Company, Inc. | Energica Founders
Acquisitions and Divestitures
Ownership percentage, equity method												27.60%
Energica
Acquisitions and Divestitures
Ownership percentage, equity method												27.60%				20.00%
Tender offer cost					$ 60,300,000	€ 52.5
Ownership percentage threshold															90.00%
Fair value of non controlling interest												$ 24,800,000
Grapevine Logic, Inc. ("Grapevine")
Acquisitions and Divestitures
Percentage of ownership interest																	100.00%		100.00%
FNL
Acquisitions and Divestitures
Percentage of ownership interest																		29.00%	29.00%
Amer Global Technology Limited
Acquisitions and Divestitures
Percentage of ownership interest														10.00%
Seven Stars Energy Ptd. Ltd.
Acquisitions and Divestitures
Percentage of ownership interest					51.00%	51.00%
Loss on disposal												200,000
Grapevine Logic, Inc. ("Grapevine")
Acquisitions and Divestitures
(Loss) Gain on disposal of subsidiaries, net												(1,200,000)
Amer Global Technology Limited
Acquisitions and Divestitures
(Loss) Gain on disposal of subsidiaries, net														$ 300,000
Bad debt expense														$ 200,000
Shandong
Acquisitions and Divestitures
Ownership interest disposed	80.00%	80.00%
Proceeds from disposal	$ 500,000	¥ 2.7
Shandong | Minority Shareholder
Acquisitions and Divestitures
Ownership interest disposed	70.00%	70.00%
Proceeds from disposal	$ 400,000	¥ 2.4
Shandong | Third Party
Acquisitions and Divestitures
Loss on disposal												100,000
Ownership interest disposed	10.00%	10.00%
Proceeds from disposal	$ 100,000	¥ 0.3
Timios Holdings Corp
Acquisitions and Divestitures
Cash paid at closing, including working capital estimates										$ 46,576,000
Revenue												32,200,000
Net loss												16,300,000
Percentage of voting equity interests acquired																				100.00%
Purchase price, net of cash acquired										40,000,000
Cash acquired from acquisition										6,500,000
Escrow trust balances										5,100,000
Total purchase price paid										46,576,000
Goodwill										$ 21,824,000
WAVE
Acquisitions and Divestitures
Cash paid at closing, including working capital estimates									$ 15,000,000
Purchase price on cash									$ 15,000,000
Revenue												2,700,000
Net loss												$ 14,000,000
Percentage of voting equity interests acquired									100.00%											100.00%
Escrow trust balances									$ 5,000,000
Number of common stock issued (in shares) | shares									12,600			500
Value of common stock issued									$ 40,000,000
Total purchase price paid									$ 55,034,000
Common stock be held back at closing (in shares) | shares									3,600
Number of earnouts | earnout									3
Payment of additional purchase price									$ 30,000,000
Gross profit margins									10,000,000
Sales tax obligation											800,000
Receivable recorded											800,000		800,000
Historic net operating losses											7,700,000
Reduction of deferred tax assets											1,400,000		1,400,000
Increase to goodwill											1,400,000
Goodwill									$ 35,689,000
US Hybrid
Acquisitions and Divestitures
Cash paid at closing, including working capital estimates								$ 30,139,000
Revenue												$ 3,000,000
Net loss												9,600,000
Percentage of voting equity interests acquired								100.00%
Escrow trust balances								$ 1,000,000
Number of common stock issued (in shares) | shares			6,600					6,600
Value of common stock issued								$ 20,900,000
Total purchase price paid								$ 51,016,000
Common stock be held back at closing (in shares) | shares								6,600
Maximum earnout over three years								$ 16,700,000
Contingent consideration												300,000
Equity interest percentage			100.00%
Escrow deposit period								90 days
Goodwill								$ 42,218,000
US Hybrid | Previously Reported [Member]
Acquisitions and Divestitures
Purchase price on cash								30,000,000
Total purchase price paid								$ 50,000,000
Solectrac
Acquisitions and Divestitures
Cash paid at closing, including working capital estimates							$ 18,025,000
Purchase price on cash							$ 17,700,000
Revenue												10,900,000
Net loss												15,200,000
Percentage of voting equity interests acquired							78.60%
Escrow trust balances							$ 2,000,000
Total purchase price paid							24,952,000
Maximum earnout over three years							6,000,000
Contingent consideration							1,600,000				100,000	100,000	100,000
Net working capital							$ 300,000
Equity interest percentage							21.40%
Equity ownership percentage							100.00%
Gain on remeasurement of investment												2,900,000
Number of earnouts | earnout							3
Percent of battery power																	100.00%
Goodwill							$ 17,714,000
Solectrac | Other Operating Income (Expense)
Acquisitions and Divestitures
Change in fair value of contingent consideration, net												1,500,000
Solectrac | Employee Performance And Retention Plan
Acquisitions and Divestitures
Maximum earnout over three years							$ 3,000,000
Acquisitions In 2021
Acquisitions and Divestitures
Amortization expense relating to intangible assets												3,200,000
Goodwill											$ 117,400,000		117,400,000
Expected tax deductible amount of goodwill												0
Energica
Acquisitions and Divestitures
Cash paid at closing, including working capital estimates				$ 58,140,000
Purchase price on cash				2,000,000
Amortization expense relating to intangible assets												3,200,000
Revenue												11,500,000
Net loss												35,100,000
Total purchase price paid				105,101,000
Goodwill				$ 60,394,000
Expected tax deductible amount of goodwill												0
Transaction costs												$ 300,000	$ 1,400,000