Fair Value Measurements - Schedule of Recurring Fair Value Measurements Using Significant Unobservable Inputs (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Derivative Liabilities Embedded Derivative \| 2029 Notes \| 2029 Embedded Derivative
Liabilities Measured on Recurring Basis
As of beginning balance	$ 83,904	$ 51,819
Changes in fair value	9,350	(14,593)
As of ending balance	93,254	37,226
Derivative Liabilities Embedded Derivative \| 2025 Notes \| 2029 Embedded Derivative
Liabilities Measured on Recurring Basis
As of beginning balance		2,915
Changes in fair value		(2,041)
As of ending balance		874
ImThera Contingent Consideration Arrangements Liability
Liabilities Measured on Recurring Basis
As of beginning balance	92,075	84,218
Changes in fair value	10,655	922
As of ending balance	102,730	85,140
ImThera Contingent Consideration Arrangements Liability \| Cost of Sales
Liabilities Measured on Recurring Basis
Changes in fair value	1,100
ImThera Contingent Consideration Arrangements Liability \| Research and Development Expense
Liabilities Measured on Recurring Basis
Changes in fair value	9,600
Derivative Assets Capped Calls \| 2029 Notes \| 2029 Capped Calls
Assets Measured on Recurring Basis
As of beginning period	36,551	23,735
Changes in fair value	1,726	(6,545)
As of ending period	38,277	17,190
Derivative Assets Capped Calls \| 2025 Notes \| 2029 Capped Calls
Assets Measured on Recurring Basis
As of beginning period		2,624
Changes in fair value		(1,819)
As of ending period		$ 805
Investment in Convertible Notes Receivable
Assets Measured on Recurring Basis
As of beginning period	3,000
Changes in fair value	0
As of ending period	$ 3,000

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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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

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

+ References

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-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
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- Definition

Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
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- Definition

Fair value 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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