Leases - Schedule of Components of Lease Costs (Parenthetical) (Detail) $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($)
Lease Cost [Line Items]
Amortization costs	$ 31,081
Variable lease costs	74,476
Cost of Revenue [Member]
Lease Cost [Line Items]
Amortization costs	25,500
Variable lease costs	17,500
Depreciation And Amortization [Member]
Lease Cost [Line Items]
Amortization costs	5,600
Operating, Administrative and Other Costs [Member]
Lease Cost [Line Items]
Variable lease costs	$ 57,000

Amount of amortization expense attributable to right-of-use asset from finance lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971

Name:	us-gaap_FinanceLeaseRightOfUseAssetAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration