Stock-Based Compensation - Summary of Stock Option Activity (Details) shares in Thousands	3 Months Ended
Mar. 31, 2020 $ / shares shares
Number of Share Units
Share Units, Outstanding as of December 31, 2019 \| shares	0
Share Units, Granted \| shares	513
Share Units, Vested and delivered \| shares	0
Share Units, Forfeited \| shares	0
Share Units, Outstanding as of March 31, 2020 \| shares	513
Weighted- Average Grant Date Fair Value
Weighted- Average Grant Date Fair Value, Outstanding as of December 31, 2019 \| $ / shares	$ 0
Weighted- Average Grant Date Fair Value, Granted \| $ / shares	2.80
Weighted- Average Grant Date Fair Value, Vested and delivered \| $ / shares	0
Weighted- Average Grant Date Fair Value, Forfeited \| $ / shares	0
Weighted- Average Grant Date Fair Value, Outstanding as of March 31, 2020 \| $ / shares	$ 2.80

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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 (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

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

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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

Number of options outstanding, including both vested and non-vested options.

+ 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
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Weighted average grant-date fair value of non-vested options forfeited.

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Weighted average grant-date fair value of non-vested options outstanding.

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Number of options vested.

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Weighted average grant-date fair value of options vested.

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