Fair Value Measurements - Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Liabilities
Percentage of marketable securities held to maturity within one year	100.00%
Percentage of marketable securities held to maturing second through fifth year	99.00%
Percentage of marketable securities held to maturing fifth through ten year	1.00%
Available-for-sale securities purchased	$ 216,193	$ 327,591
Recurring \| Public Warrants \| Warrant liabilities
Liabilities
Liabilities	5,537	2,505
Recurring \| Private Placement Warrants \| Warrant liabilities
Liabilities
Liabilities	3,198	1,722
Recurring \| Level 1 \| Public Warrants \| Warrant liabilities
Liabilities
Liabilities	5,537	2,505
Recurring \| Level 2 \| Private Placement Warrants \| Warrant liabilities
Liabilities
Liabilities	3,198	1,722
Recurring \| Level 3
Liabilities
Transfers in or out of Level 3	0	0
Recurring \| Commercial paper \| Marketable securities
Assets
Assets	47,046	84,909
Recurring \| Commercial paper \| Level 1 \| Marketable securities
Assets
Assets	47,046	84,909
Recurring \| Corporate bonds \| Marketable securities
Assets
Assets	28,614	48,135
Recurring \| Corporate bonds \| Investments
Assets
Assets	173,369	191,338
Recurring \| Corporate bonds \| Level 1 \| Marketable securities
Assets
Assets	28,614	48,135
Recurring \| Corporate bonds \| Level 1 \| Investments
Assets
Assets	173,369	191,338
Recurring \| Government bonds \| Marketable securities
Assets
Assets		8,461
Recurring \| Government bonds \| Investments
Assets
Assets	35,904	48,228
Recurring \| Government bonds \| Level 1 \| Marketable securities
Assets
Assets		8,461
Recurring \| Government bonds \| Level 1 \| Investments
Assets
Assets	35,904	$ 48,228
Recurring \| U.S. treasuries \| Marketable securities
Assets
Assets	17,124
Recurring \| U.S. treasuries \| Level 1 \| Marketable securities
Assets
Assets	17,124
Recurring \| Bifurcated embedded derivative \| Loan receivable from equity method investee
Assets
Assets	584
Recurring \| Bifurcated embedded derivative \| Level 3 \| Loan receivable from equity method investee
Assets
Assets	$ 584

Represents the percentage of marketable securities held to maturing fifth through ten year.

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Represents the percentage of marketable securities held to maturing second through fifth year.

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Represents the percentage of marketable securities held to maturity within one year.

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- Definition

Fair value portion of asset recognized for present right to economic benefit.

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-Topic 820
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Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Fair value of financial and nonfinancial obligations.

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- Definition

Amount of cash outflow for purchase of marketable security.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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