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Weichai Transactions (Details)		3 Months Ended		6 Months Ended
	Mar. 22, 2023	Jun. 30, 2023 USD ($) agreement	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) agreement	Jun. 30, 2022 USD ($)	Mar. 24, 2023 USD ($)	Dec. 31, 2022 USD ($)
Subsidiary, Sale of Stock [Line Items]
Debt instrument, number of loan agreements | agreement		4		4
Term of collaborative arrangement	3 years
Company sales		$ 1,000,000	$ 100,000	$ 2,100,000	$ 500,000
Purchased inventory		700,000	$ 2,900,000	3,800,000	$ 7,100,000
Collaborative arrangement, outstanding receivables		2,000,000		2,000,000			$ 2,300,000
Outstanding payables		24,400,000		24,400,000			$ 23,400,000
Revolving credit facility | First Shareholder's Loan Agreement, Weichai
Subsidiary, Sale of Stock [Line Items]
Maximum borrowing capacity		110,000,000.0		110,000,000.0		$ 130,000,000.0
Revolving credit facility | Amended Second Shareholder's Loan Agreement, Weichai
Subsidiary, Sale of Stock [Line Items]
Maximum borrowing capacity		25,000,000		25,000,000
Revolving credit facility | Third Shareholder's Loan Agreement, Weichai
Subsidiary, Sale of Stock [Line Items]
Maximum borrowing capacity		50,000,000		50,000,000
Revolving credit facility | Fourth Shareholder's Loan Agreement, Weichai
Subsidiary, Sale of Stock [Line Items]
Maximum borrowing capacity		$ 30,000,000		$ 30,000,000

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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