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Fair Value Measurements - Contingent Consideration (Details) - USD ($) |  |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jan. 11, 2024 | Jun. 21, 2023 | Mar. 31, 2024 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 03, 2024 | Dec. 31, 2023
Fair Value Measurements |  |  |  |  |  |  |
Exarafenib milestone contingent consideration (Note 4) |  |  |  | $ 2,922,000 |  |  |
Contingent consideration under RPAs, AAAs and CPPAs |  |  |  | 3,000,000 |  |  | $ 7,000,000
Payments of consideration under RPAs, AAAs and CPPAs |  |  |  | 37,000,000 | $ 14,650,000 |  |
Kinnate |  |  |  |  |  |  |
Fair Value Measurements |  |  |  |  |  |  |
Exarafenib milestone contingent consideration (Note 4) |  |  |  | 2,900,000 |  |  |
LadRx | Assignment and Assumption Agreement and Royalty Purchase Agreement |  |  |  |  |  |  |
Fair Value Measurements |  |  |  |  |  |  |
Payments of consideration under RPAs, AAAs and CPPAs |  | $ 5,000,000.0 |  |  |  |  |
Contingent consideration, high-end of range |  |  |  | 0 |  |  |
LadRx | Assignment and Assumption Agreement and Royalty Purchase Agreement | Regulatory milestones |  |  |  |  |  |  |
Fair Value Measurements |  |  |  |  |  |  |
Contingent consideration under RPAs, AAAs and CPPAs |  | 1,000,000.0 | $ 0 | 0 |  | $ 0 | $ 1,000,000.0
Payments of consideration under RPAs, AAAs and CPPAs | $ 1,000,000.0 |  | $ 1,000,000.0 | $ 1,000,000.0 |  |  |
Contingent consideration, high-end of range |  | $ 5,000,000.0 |  |  |  |  |

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- Definition Amount of liability recognized from contingent consideration in asset acquisition, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 15 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480123/805-50-15-3 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References 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 -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 3: http://www.xbrl.org/2003/role/disclosureRef -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 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 + Details
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- Definition For contingent consideration arrangements recognized in agreements, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. Contingent consideration is measured at fair value as a current liability at the inception of the transaction under ASC 815. + References No definition available. + Details
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- Definition Liability recorded for contingent consideration under purchase agreements. May include royalty purchase agreements, assignment and assumption agreements, and commercial payment purchase agreements. Includes contingent consideration recognized under ASC 815 and measured at fair value as a current liability at the inception of the transaction. Also includes contingent consideration recognized under ASC 450 if it is probable that a liability has been incurred and the amount of the liability can be reasonably estimated. Classified as current. + References No definition available. + Details
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