Stock-Based Compensation - Summary of Unrecognized Compensation Expense related to Non-vested RSUs (Details) $ in Thousands	3 Months Ended
Mar. 31, 2021 USD ($)
Service-Based RSUs
Share-based Compensation
Unrecognized compensation expense	$ 3,394
Weighted-average period	1 year 6 months 14 days
Performance-Based RSUs
Share-based Compensation
Unrecognized compensation expense	$ 3,881
Weighted-average period	2 years 2 months 26 days
RSUs
Share-based Compensation
Unrecognized compensation expense	$ 7,275
Weighted-average period	1 year 10 months 28 days

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

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