Stock-Based Compensation - Performance based stock options (Details) - Service Based Stock Options - Vesting based on service period	3 Months Ended
Mar. 31, 2020 $ / shares shares
Stock-Based Compensation
Options granted \| shares	3,088,950
Options exercise price	$ 7.77
Weighted average grant-date fair value (per share)	$ 4.86

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

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 (d)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

+ References

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