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Collaborations - Summary of Company's Collaboration Arrangements Earned in Period to Be Billed and Collected in Next Period (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Collaboration Revenue |  |  |  |
Collaborative Arrangement, Revenue Not from Contract with Customer, Statement of Income or Comprehensive Income [Extensible Enumeration] | Revenue from Contract with Customer, Excluding Assessed Tax | Revenue from Contract with Customer, Excluding Assessed Tax | Revenue from Contract with Customer, Excluding Assessed Tax | Revenue from Contract with Customer, Excluding Assessed Tax
Operating expenses: |  |  |  |
Research and development | $ 63,239 | $ 36,810 | $ 150,942 | $ 99,973
General and administrative | 20,765 | 12,591 | 59,466 | 44,040
Total operating expenses | 84,004 | 49,401 | 210,408 | 144,013
Incyte |  |  |  |
Collaboration Revenue |  |  |  |
Upfront payments | 4,400 | 4,371 | 12,968 | 12,912
Reimbursement revenue | 943 | 1,547 | 3,603 | 4,248
Milestones | 0 | 3,479 | 1,000 | 5,980
Other | 0 | 0 | 0 | 0
Total collaboration revenue | 5,343 | 9,397 | 17,571 | 23,140
Operating expenses: |  |  |  |
Research and development | 0 | 0 | 0 | 24
General and administrative | 0 | 0 | 0 | 0
Total operating expenses | 0 | 0 | 0 | 24
Revenue recognized in the period | 4,400 | 4,371 | 12,968 | 12,912
Lilly |  |  |  |
Collaboration Revenue |  |  |  |
Upfront payments | 4,038 | 789 | 5,310 | 8,270
Reimbursement revenue | 194 | 847 | 698 | 3,543
Milestones | 0 | 0 | 0 | 0
Other | 0 | 0 | 0 | 0
Total collaboration revenue | 4,232 | 1,636 | 6,008 | 11,813
Operating expenses: |  |  |  |
Research and development | 0 | 0 | 0 | 0
General and administrative | 0 | 0 | 0 | 0
Total operating expenses | 0 | 0 | 0 | 0
Revenue recognized in the period | 4,038 | 789 | 5,310 | 8,270
Gilead |  |  |  |
Collaboration Revenue |  |  |  |
Upfront payments | 0 | 0 | 1,207 | 0
Reimbursement revenue | 0 | 0 | 0 | 0
Milestones | 0 | 0 | 0 | 0
Other | 0 | 0 | 0 | 0
Total collaboration revenue | 0 | 0 | 1,207 | 0
Operating expenses: |  |  |  |
Research and development | 0 | 0 | 0 | 0
General and administrative | 0 | 0 | 0 | 0
Total operating expenses | 0 | 0 | 0 | 0
Revenue recognized in the period | 0 | 0 | 1,207 | 0
Other |  |  |  |
Collaboration Revenue |  |  |  |
Upfront payments | 0 | 0 | 0 | 0
Reimbursement revenue | 0 | 0 | 0 | 0
Milestones | 2,197 | 0 | 2,197 | 0
Other | 0 | 0 | 10 | 55
Total collaboration revenue | 2,197 | 0 | 2,207 | 55
Operating expenses: |  |  |  |
Research and development | 0 | 0 | 0 | 0
General and administrative | 0 | 0 | 0 | 0
Total operating expenses | 0 | 0 | 0 | 0
Revenue recognized in the period | 0 | 0 | 0 | 0
Collaboration Agreement |  |  |  |
Collaboration Revenue |  |  |  |
Upfront payments | 8,438 | 5,160 | 19,485 | 21,182
Reimbursement revenue | 1,137 | 2,394 | 4,301 | 7,791
Milestones | 2,197 | 3,479 | 3,197 | 5,980
Other | 0 | 0 | 10 | 55
Total collaboration revenue | 11,772 | 11,033 | 26,993 | 35,008
Operating expenses: |  |  |  |
Research and development | 0 | 0 | 0 | 24
General and administrative | 0 | 0 | 0 | 0
Total operating expenses | 0 | 0 | 0 | 24
Revenue recognized in the period | $ 8,438 | $ 5,160 | $ 19,485 | $ 21,182

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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 48 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-48 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 730 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482916/730-10-50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 912 -SubTopic 730 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479532/912-730-25-1 + Details
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