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Intangible Assets - Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jul. 31, 2022 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Jul. 01, 2022
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Amortization expense |  | $ 15.6 | $ 0.0 | $ 16.8 | $ 0.0 |
Finite-lived intangible asset, expected amortization, remainder of fiscal year |  | 15.6 |  | 15.6 |  |
Finite-lived intangible asset, expected amortization, year one |  | 62.0 |  | 62.0 |  |
Finite-lived intangible asset, expected amortization, year two |  | 62.0 |  | 62.0 |  |
Finite-lived intangible asset, expected amortization, year three |  | 62.0 |  | 62.0 |  |
Finite-lived intangible asset, expected amortization, year four |  | 62.0 |  | 62.0 |  |
Finite-lived intangible asset, expected amortization, year five |  | $ 62.0 |  | $ 62.0 |  |
Sanofi |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Up-front payment to collaborating party | $ 900.0 |  |  |  |  |
Sanofi Collaboration Agreement, Amended and Restated Immuno-oncology License and Collaboration Agreement |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Other liabilities |  |  |  |  |  | $ 241.0

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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