Summary of Significant Accounting Policies - Incremental Costs to Obtain a Contract With Customer (Details)	Dec. 31, 2019
Capitalized Contract Cost [Line Items]
Capitalized contract cost, useful life	5 years
Customer arrangement
Capitalized Contract Cost [Line Items]
Capitalized contract cost, useful life	5 years
New arrangements and renewals
Capitalized Contract Cost [Line Items]
Capitalized contract cost, useful life	5 years

Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131251-203054

Name:	us-gaap_CapitalizedContractCostAmortizationPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant