Fair Value of Financial Assets and Liabilities - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Liabilities:
Derivative liability, non-current	$ 12,320	$ 0
Recurring
Assets:
Total assets	362,471	228,418
Liabilities:
Forward contract liability	69,030
Total liabilities	81,350
Recurring \| Put Option
Liabilities:
Derivative liability, non-current	12,320
Recurring \| Money market funds
Assets:
Cash and cash equivalents	65,497	59,199
Other non-current assets	2,548	1,900
Recurring \| U.S. treasury bills
Assets:
Cash and cash equivalents		27,901
Marketable securities	294,426	86,034
Recurring \| U.S. corporate bonds
Assets:
Cash and cash equivalents		6,001
Marketable securities		40,210
Recurring \| Foreign corporate bonds
Assets:
Marketable securities		7,173
Recurring \| Level 1
Assets:
Total assets	83,873	70,973
Liabilities:
Forward contract liability	0
Total liabilities	0
Recurring \| Level 1 \| Put Option
Liabilities:
Derivative liability, non-current	0
Recurring \| Level 1 \| Money market funds
Assets:
Cash and cash equivalents	65,497	59,199
Other non-current assets	2,548	1,900
Recurring \| Level 1 \| U.S. treasury bills
Assets:
Cash and cash equivalents		0
Marketable securities	15,828	9,874
Recurring \| Level 1 \| U.S. corporate bonds
Assets:
Cash and cash equivalents		0
Marketable securities		0
Recurring \| Level 1 \| Foreign corporate bonds
Assets:
Marketable securities		0
Recurring \| Level 2
Assets:
Total assets	278,598	157,445
Liabilities:
Forward contract liability	0
Total liabilities	0
Recurring \| Level 2 \| Put Option
Liabilities:
Derivative liability, non-current	0
Recurring \| Level 2 \| Money market funds
Assets:
Cash and cash equivalents	0	0
Other non-current assets	0	0
Recurring \| Level 2 \| U.S. treasury bills
Assets:
Cash and cash equivalents		27,901
Marketable securities	278,598	76,160
Recurring \| Level 2 \| U.S. corporate bonds
Assets:
Cash and cash equivalents		6,001
Marketable securities		40,210
Recurring \| Level 2 \| Foreign corporate bonds
Assets:
Marketable securities		7,173
Recurring \| Level 3
Assets:
Total assets	0	0
Liabilities:
Forward contract liability	69,030
Total liabilities	81,350
Recurring \| Level 3 \| Put Option
Liabilities:
Derivative liability, non-current	12,320
Recurring \| Level 3 \| Money market funds
Assets:
Cash and cash equivalents	0	0
Other non-current assets	0	0
Recurring \| Level 3 \| U.S. treasury bills
Assets:
Cash and cash equivalents		0
Marketable securities	$ 0	0
Recurring \| Level 3 \| U.S. corporate bonds
Assets:
Cash and cash equivalents		0
Marketable securities		0
Recurring \| Level 3 \| Foreign corporate bonds
Assets:
Marketable securities		$ 0

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

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 100
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-100

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483466/210-20-50-3

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Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
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-Section 50
-Paragraph 2E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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Fair value portion of other assets.

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