Fair Value of Financial Instruments - Summarizes the Conclusions Reached Regarding Fair Value Measurements (Detail) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Significant Unobservable Inputs (Level 3)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	$ 684	$ 1,262
Net Change in fair value included in earnings	(406)	(221)
Purchases / Issuance	0	368
Sales / Repurchases	0	0
Ending Balance	278	$ 1,409
Fair Value, Measurements, Recurring
Assets:
Equity securities with readily determinable fair value	4,387		$ 1,343
Total	4,387		1,343
Liabilities:
Warranty liability, related party	278		684
Fair Value, Measurements, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Equity securities with readily determinable fair value	4,387		1,343
Total	4,387		1,343
Liabilities:
Warranty liability, related party	0		0
Fair Value, Measurements, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Warrant liability, related party
Liabilities:
Warranty liability, related party	0		0
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2)
Assets:
Equity securities with readily determinable fair value	0		0
Total	0		0
Liabilities:
Warranty liability, related party	0		0
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2) \| Warrant liability, related party
Liabilities:
Warranty liability, related party	0		0
Fair Value, Measurements, Recurring \| Significant Unobservable Inputs (Level 3)
Assets:
Equity securities with readily determinable fair value	0		0
Total	0		0
Liabilities:
Warranty liability, related party	278		684
Fair Value, Measurements, Recurring \| Significant Unobservable Inputs (Level 3) \| Warrant liability, related party
Liabilities:
Warranty liability, related party	$ 278		$ 684

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of sales of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of gain (loss) recognized in income from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value on recurring basis using unobservable input (level 3).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Fair value of financial and nonfinancial obligations.

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