Summary of Significant Accounting Policies - Narrative (Details)	9 Months Ended
Sep. 30, 2020 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average remaining lease term	8 years 8 months 12 days
Goodwill impairment	$ 0
2018 OPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period	2 years 9 months 18 days

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.

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