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Fair Value Measurements - Financial Assets Measured on a Recurring Basis (Details) - Fair Value Measurements Recurring Basis - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Financial assets measured at fair value on a recurring basis |  |
Total financial assets | $ 191,539 |
Total financial liabilities | 1,592 | $ 14,252
Royalty Fee Derivative Liability |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial liabilities | 1,490 | 13,620
Contingent Consideration |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial liabilities | 102 | 632
Level 1 |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial assets | 152,420 |
Level 2 |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial assets | 39,119 |
Level 3 |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial liabilities | 1,592 | 14,252
Level 3 | Royalty Fee Derivative Liability |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial liabilities | 1,490 | 13,620
Level 3 | Contingent Consideration |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial liabilities | 102 | 632
U.S. government agency securities |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial assets | 3,773 |
U.S. government agency securities | Level 1 |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial assets | 3,773 |
U.S. treasury securities |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial assets | 45,419 |
U.S. treasury securities | Level 1 |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial assets | 45,419 |
Commercial paper and corporate notes |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial assets | 39,119 |
Commercial paper and corporate notes | Level 2 |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial assets | 39,119 |
Cash equivalents |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial assets | 103,228 | 125,549
Cash equivalents | Level 1 |  |
Financial assets measured at fair value on a recurring basis |  |
Total financial assets | $ 103,228 | $ 125,549

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- Definition 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. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 5: 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 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E + Details
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