Stock-Based compensation - Schedule of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Share-based Payment Arrangement [Abstract]
Options Outstanding, Beginning	6,848,660
Options granted	0
Options exercised	412,222
Options forfeited	(2,500)
Options Outstanding, Ending	6,433,938	6,848,660
Options Outstanding, Exercisable	4,771,999
Weighted Average Exercise Price, Beginning	$ 5.05
Weighted Average Exercise Price, Exercised	0.03
Weighted Average Exercise Price, Forfeited	8.66
Weighted Average Exercise Price, Ending	5.37	$ 5.05
Weighted Average Exercise Price, Exercisable	$ 4.23
Weighted Average Remaining Contractual Term (years)	4 years 11 months 23 days	4 years 11 months 23 days
Weighted Average Remaining Contractual Term (years), Exercisable	4 years 1 month 24 days
Aggregate Intrinsic Value, Beginning	$ 204,977
Aggregate Intrinsic Value, Ending	101,073	$ 204,977
Aggregate Intrinsic Value, Exercisable	$ 80,398

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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For presentations that combine terminations, 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 or that expired.

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Weighted average price of options that were either forfeited or expired.

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

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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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 exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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- Definition

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

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- Definition

Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Number of share options (or share units) exercised during the current period.

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