Acquisitions and Divestitures - Provisional Estimates of Assets Acquired and Liabilities Assumed (Details) - USD ($)	Jan. 31, 2023	Mar. 14, 2022	Sep. 30, 2023	Dec. 31, 2022
Assets acquired
Goodwill			$ 37,254,000	$ 37,775,000
VIA Motors International, Inc.
Acquisitions and Divestitures
Fair value of consideration transferred	$ 5,200,000
Contingent consideration	73,627,000
Purchase Price
Purchase price	112,815,000
Assets acquired
Current assets	1,757,000
Property and equipment, net	2,315,000
Operating lease right of use assets	5,064,000
Goodwill	13,020,000		$ 0
Other assets	0
Current liabilities	(16,940,000)
Deferred tax liability	(4,227,000)
Other liabilities	(3,784,000)
Fair value of assets acquired, less liabilities assumed	$ 112,815,000
Weighted average useful life	20 years
VIA Motors International, Inc. | Development technology
Assets acquired
Intangible assets	$ 104,200,000
Weighted average useful life	20 years
VIA Motors International, Inc. | Trademarks and trade name
Assets acquired
Intangible assets	$ 11,410,000
Weighted average useful life	20 years
VIA Motors International, Inc. | SAFE note
Acquisitions and Divestitures
Fair value of consideration transferred	$ 581,000
VIA Motors International, Inc. | Secured convertible note
Acquisitions and Divestitures
Fair value of consideration transferred	5,165,000
VIA Motors International, Inc. | Common Stock
Acquisitions and Divestitures
Fair value of consideration transferred	28,617,000
VIA Motors International, Inc. | Preferred Stock
Acquisitions and Divestitures
Fair value of consideration transferred	$ 4,825,000
Energica
Purchase Price
Cash paid at closing, including working capital estimates		$ 58,140,000
Fair value of previously held interest		22,183,000
Fair value of non-controlling interest		24,778,000
Purchase price		105,101,000
Assets acquired
Current assets		19,708,000
Property and equipment, net		1,927,000
Goodwill		60,394,000
Other assets		1,024,000
Current liabilities		(16,894,000)
Other liabilities		(8,383,000)
Fair value of assets acquired, less liabilities assumed		$ 105,101,000
Weighted average useful life		14 years 8 months 12 days
Energica | Customer relationships
Assets acquired
Intangible assets		$ 14,226,000
Weighted average useful life		13 years
Energica | Development technology
Assets acquired
Intangible assets		$ 18,603,000
Weighted average useful life		8 years
Energica | Trademarks and trade name
Assets acquired
Intangible assets		$ 14,496,000
Weighted average useful life		25 years