Equity Awards and Instruments - Acquisition Options (Details) - Stock Option - Equity Incentive Plan - Class B Common Stock - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended
Mar. 31, 2018	Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (in shares)	900,000
Award vesting period	5 years
Stock options exercise price, upper limit (USD per share)	$ 6.805
Stock options exercise price, lower limit (USD per share)	$ 0.01
Shares exercised (in shares)		735,000
Shares outstanding (in shares)		165,000
Shares outstanding, intrinsic value		$ 1,465

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares authorized for issuance under share-based payment arrangement.

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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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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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

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