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Leases - Narrative (Details) | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jan. 31, 2025 USD ($) ft² | Oct. 31, 2023 USD ($) ft² | Jun. 30, 2024 USD ($) ft² | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) ft² | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) ft² tranche | Dec. 31, 2017
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |
Lease, renewal term |  |  | 5 years |  | 5 years |  |  |
Operating sublease, extension term |  |  |  |  | 4 years |  |  |
Sublease income |  |  | $ 3,500,000 | $ 3,800,000 | $ 7,000,000.0 | $ 8,200,000 |  |
Impairment charges |  |  | 0 | $ 2,200,000 | 0 | $ 2,200,000 |  |
Leases not yet commenced |  |  | $ 76,200,000 |  | $ 76,200,000 |  |  |
Leases not yet commenced, term of contract |  |  | 7 years |  | 7 years |  |  |
Corporate Headquarters Lease Amendment |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |
Area of leased property surrendered | ft² |  | 52,000 | 54,000 |  | 54,000 |  | 165,000 |
Lease termination liability |  |  |  |  |  |  | $ 79,000,000 |
Number of tranches | tranche |  |  |  |  |  |  | 3 |
Lease termination payment |  | $ 28,100,000 | $ 14,900,000 |  |  |  |  |
Corporate Headquarters Lease Amendment | Forecast |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |
Area of leased property surrendered | ft² | 59,000 |  |  |  |  |  |  |
Lease termination payment | $ 36,000,000 |  |  |  |  |  |  |
Corporate Headquarters Lease |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |
Operating lease, term of contract |  |  |  |  |  |  |  | 15 years
Minimum obligations |  |  | 179,500,000 |  | $ 179,500,000 |  |  |
Corporate Headquarters Lease | Line of Credit | Letter of Credit |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |
Letter of credit |  |  | $ 17,500,000 |  | $ 17,500,000 |  |  |
Minimum |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |
Lease, remaining lease term |  |  | 1 year |  | 1 year |  |  |
Operating sublease, term |  |  |  |  | 1 year |  |  |
Maximum |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |
Lease, remaining lease term |  |  | 12 years |  | 12 years |  |  |
Operating sublease, term |  |  |  |  | 9 years |  |  |

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