Goodwill and Acquired Intangible Assets - Narrative (Details) - USD ($) |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Sep. 30, 2026 |
Jun. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
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| Intangible Asset, Goodwill and Other [Abstract] | ||||||
| Accumulated goodwill impairment losses | $ 650,500,000 | $ 650,500,000 | $ 0 | |||
| Goodwill impairment | 0 | $ 650,500,000 | $ 0 | 650,500,000 | $ 0 | |
| Impairment of indefinite intangible assets | 0 | $ 0 | ||||
| Amortization expense | $ 12,100,000 | $ 14,600,000 | $ 36,700,000 | $ 44,000,000.0 | ||
| X | ||||||||||
- Definition Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of accumulated impairment loss for asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of impairment loss for indefinite-lived intangible asset. Excludes goodwill. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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