Business and Basis of Presentation - Lease Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019
Operating Lease Payments
2019 (remaining three months)	$ 35,125
2020	133,534
2021	126,602
2022	121,021
2023	115,034
Thereafter	693,901
Total future minimum operating lease payments and estimated sublease cash receipts	1,225,217
Imputed interest	(368,485)
Total per the Condensed Consolidated Balance Sheet	856,732	$ 851,300
Sublease Cash Receipts
2019 (remaining three months)	9,344
2020	40,534
2021	42,918
2022	43,587
2023	44,469
Thereafter	177,741
Total future minimum operating lease payments and estimated sublease cash receipts (1)	$ 358,593
United States
Lessee, Lease, Description [Line Items]
Percentage of lease payments	84.00%

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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-SubTopic 20
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