Share Based Compensation - Summary of Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Stock Options Activity
Outstanding at December 31, 2019 (in shares)	91	0
Granted (in shares)	250	245
Exercised (in shares)	(9)
Expired (in shares)	(1)
Forfeited / Canceled (in shares)	(7)	(154)
Outstanding at December 31, 2020 (in shares)	324	91
Stock Options Weighted Average Exercise Price
Options outstanding, Weighted average exercise price per share - December 31, 2019 (in USD per share)	$ 0	$ 0
Options granted, Weighted average exercise price per share (in USD per share)	0	0
Options exercised, Weighted average exercise price per share (in USD per share)	6,430
Options expired, Weighted average exercise price per share (in USD per share)	0
Options forfeited / canceled, Weighted average exercise price per share (in USD per share)	0	0
Options outstanding, Weighted average exercise price per share - December 31, 2020 (in USD per share)	$ 0	$ 0
Additional Disclosures
Options outstanding, Weighted average remaining contractual term (in years)	7 years 9 months 18 days	2 years 8 months 4 days
Options outstanding, Aggregate intrinsic value (in USD)	$ 800	$ 240
Options exercisable, Number of options (in shares)	24	0
Options exercisable, Weighted average exercise price per share (in USD per share)	$ 0	$ 0
Options exercisable, Weighted average remaining contractual term (in years)	1 year 7 months 2 days
Options exercisable, Aggregate intrinsic value (in USD)	$ 190	$ 240	$ 0

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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.

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

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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

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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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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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