Segment and Geographic Information- Additional Information (Details)		12 Months Ended
Dec. 31, 2017 segment reporting_unit	Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($) segment
Segment Reporting [Abstract]
Number of reportable segments \| segment	2	2	2
Number of reporting units \| reporting_unit	2
Goodwill impairment \| $		$ 0	$ 0

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration