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Leases - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2017
Lessee, Lease, Description [Line Items]
Lease, renewal term	5 years
Sublease income	$ 4,500,000	$ 3,900,000
Right-of-use asset impairments	0	$ 17,300,000
Operating leases, not yet commenced, value	$ 32,800,000
Minimum
Lessee, Lease, Description [Line Items]
Lease, remaining lease term	1 year
Operating sublease, term	1 year
Operating leases, not yet commenced, term of contract	10 years
Maximum
Lessee, Lease, Description [Line Items]
Lease, remaining lease term	14 years
Operating sublease, term	9 years
Operating leases, not yet commenced, term of contract	11 years
Corporate Headquarters Lease
Lessee, Lease, Description [Line Items]
Operating lease, term of contract			15 years
Minimum obligations	$ 590,700,000
Line of Credit | Letter of Credit | Corporate Headquarters Lease
Lessee, Lease, Description [Line Items]
Letter of credit	$ 34,200,000

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- Definition

Lessee, Operating Lease, Lease Not yet Commenced, Amount

+ References

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No definition available.

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (b)
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+ References

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+ References

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-Publisher FASB
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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 210
-SubTopic 10
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Amount of sublease income excluding finance and operating lease expense.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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