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Royalty and Commercial Payment Purchase Agreements - Aptevo (Details) - USD ($) |  | 1 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 29, 2023 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Agreements |  |  |  |  |
Payments of consideration under RPAs, AAAs and CPPAs |  |  | $ 37,000,000 | $ 14,650,000 |
Contingent consideration under RPAs, AAAs and CPPAs |  |  | 3,000,000 |  | $ 7,000,000
Receipts under RPAs, AAAs and CPPAs |  |  | 16,741,000 | $ 2,934,000 |
Short-term royalty and commercial payment receivables |  |  | 14,257,000 |  | 14,215,000
Aptevo | Commercial Payment Purchase Agreement |  |  |  |  |
Agreements |  |  |  |  |
Maximum milestone payments entitled to receive | $ 5,300,000 |  |  |  |
Acquisition of royalty and commercial payment receivables, Long-Term | 9,700,000 |  |  |  |
Payments of consideration under RPAs, AAAs and CPPAs | 9,600,000 | $ 50,000 |  |  |
Maximum commercial sales milestone payments | 50,000 |  |  |  |
Commercial payments attributable to net sales threshold | 500,000 |  |  |  |
Contingent consideration under RPAs, AAAs and CPPAs | $ 50,000 |  |  |  |
Receipts under RPAs, AAAs and CPPAs |  |  | 800,000 |  | 1,700,000
Short-term royalty and commercial payment receivables |  |  | 1,900,000 |  | 2,000,000.0
Amount of allowance for credit losses |  |  | $ 0 |  | $ 0
Aptevo | Commercial Payment Purchase Agreement | Minimum |  |  |  |  |
Agreements |  |  |  |  |
Receipts under RPAs, AAAs and CPPAs |  | $ 500,000 |  |  |

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- Definition Amount of allowance for credit loss for right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + 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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