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Leases - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2017
Lessee, Lease, Description [Line Items] |  |  |  |  |
Lease, renewal term | 5 years |  | 5 years |  |
Operating sublease, extension term |  |  | 4 years |  |
Sublease income | $ 3,600,000 | $ 5,300,000 | $ 11,900,000 | $ 14,800,000 |
Impairment charges | 0 | $ 4,000,000.0 | 2,200,000 | $ 12,700,000 |
Operating lease, not yet commenced, liability | $ 19,200,000 |  | $ 19,200,000 |  |
Operating leases, not yet commenced, term of contract | 6 years 6 months |  | 6 years 6 months |  |
Corporate Headquarters Lease |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Operating lease, term of contract |  |  |  |  | 15 years
Minimum obligations | $ 520,300,000 |  | $ 520,300,000 |  |
Corporate Headquarters Lease | Line of Credit | Letter of Credit |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Letter of credit | $ 24,100,000 |  | $ 24,100,000 |  |
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 | 13 years |  | 13 years |  |
Operating sublease, term |  |  | 10 years |  |

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482130/360-10-45-4 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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- Definition Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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