Acquisitions and Divestitures - Provisional Estimates of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Mar. 14, 2022	Jun. 11, 2021	Jun. 10, 2021	Jan. 15, 2021	Jan. 08, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Assets acquired
Goodwill						$ 37,775	$ 16,161	$ 705	$ 31,654
Energica
Purchase Price
Cash paid at closing, including working capital estimates	$ 58,140
Fair value of previously held interest	22,183
Fair value of non-controlling interest	24,778
Total purchase consideration	105,101
Assets acquired
Current assets	19,708
Property, plant and equipment	1,927
Other assets	1,024
Goodwill	60,394
Liabilities assumed:
Current liabilities	(16,894)
Other liabilities	(8,383)
Net assets acquired	$ 105,101
Weighted average useful life	14 years 8 months 12 days
Energica | Technology
Assets acquired
Intangible assets	$ 18,603
Liabilities assumed:
Weighted average useful life	8 years
Energica | Customer relationships
Assets acquired
Intangible assets	$ 14,226
Liabilities assumed:
Weighted average useful life	13 years
Energica | Trademarks and Trade Names
Assets acquired
Intangible assets	$ 14,496
Liabilities assumed:
Weighted average useful life	25 years
Solectrac
Purchase Price
Cash paid at closing, including working capital estimates		$ 18,025
Fair value of previously held interest		5,287
Fair value of contingent consideration		1,640
Total purchase consideration		24,952
Assets acquired
Current assets		2,700
Property, plant and equipment		30
Other assets		45
Goodwill		17,714
Total assets acquired		27,049
Liabilities assumed:
Current liabilities		(509)
Deferred tax liability		(1,588)
Total liabilities assumed		(2,097)
Net assets acquired		24,952
Solectrac | Trade name
Assets acquired
Intangible assets		4,210
Solectrac | Technology
Assets acquired
Intangible assets		$ 2,350
US Hybrid
Purchase Price
Cash paid at closing, including working capital estimates			$ 30,139
Fair value of common stock			20,877
Total purchase consideration			51,016
Assets acquired
Current assets			3,793
Property, plant and equipment			5
Other assets			52
Goodwill			42,218
Total assets acquired			53,438
Liabilities assumed:
Current liabilities			(1,602)
Deferred tax liability			(820)
Total liabilities assumed			(2,422)
Net assets acquired			51,016
US Hybrid | Trade name
Assets acquired
Intangible assets			1,740
US Hybrid | Technology
Assets acquired
Intangible assets			5,110
US Hybrid | Non-compete
Assets acquired
Intangible assets			$ 520
Timios
Purchase Price
Cash paid at closing, including working capital estimates					$ 46,576
Total purchase consideration					46,576
Assets acquired
Current assets					7,292
Property, plant and equipment					429
Other assets					48
Indefinite lived title plant					500
Goodwill					21,824
Total assets acquired					56,119
Liabilities assumed:
Current liabilities					(4,306)
Deferred tax liability					(5,237)
Total liabilities assumed					(9,543)
Net assets acquired					$ 46,576
Weighted average useful life					11 years 1 month 6 days
Timios | Trade name
Assets acquired
Intangible assets					$ 8,426
Liabilities assumed:
Weighted average useful life					13 years
Timios | Lender relationships
Assets acquired
Intangible assets					$ 16,600
Liabilities assumed:
Weighted average useful life					5 years
Timios | License content
Assets acquired
Intangible assets					$ 1,000
Liabilities assumed:
Weighted average useful life					13 years
WAVE
Purchase Price
Cash paid at closing, including working capital estimates				$ 15,000
Fair value of common stock				28,616
Fair value of contingent consideration				11,418
Total purchase consideration				55,034
Assets acquired
Current assets				2,820
Goodwill				35,689
Total assets acquired				64,139
Liabilities assumed:
Current liabilities				(4,578)
Deferred tax liability				(4,527)
Total liabilities assumed				(9,105)
Net assets acquired				55,034
WAVE | Trade name
Assets acquired
Intangible assets				12,630
WAVE | Patent
Assets acquired
Intangible assets				$ 13,000