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Sale Of Stock, Percentage Sold, Maximum

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Share-Based Compensation Arrangement By Share-based Payment Award, Award Requisite Service Period, Tranche

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Share-based Compensation Arrangement by Share-based Payment Award, Settlement Period After Vesting

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Share-based Payment Arrangement, Equity Instruments Other Than Options, Trading Price Period

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Stock Repurchased During Period, Options, Value

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Stock Returned During Period, Shares

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Aggregate number of common shares reserved for future issuance.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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

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Price of a single share of a number of saleable stocks of a company.

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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Purchase price of common stock expressed as a percentage of its fair value.

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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STOCK-BASED COMPENSATION - Narrative (Details) $ / shares in Units, $ in Thousands	1 Months Ended		3 Months Ended	12 Months Ended
	Jun. 30, 2021 shares	Feb. 28, 2021 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) day shares	Dec. 31, 2021 USD ($) tranche day $ / shares shares	Dec. 31, 2020 USD ($) $ / shares	Jul. 30, 2021 $ / shares	Jul. 26, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value, exercised				$ 194,513	$ 6,058
Compensation expense				40,804	$ 17,031
Unrecognized compensation cost, options			$ 13,428	13,428
Unrecognized compensation cost			$ 65,906	$ 65,906
Closing trading price, specified calendar \| day			60	60
Weighted average grant date fair value (in usd per share) \| $ / shares				$ 24.61	$ 9.77
Fair market value of share price (in usd per share) \| $ / shares		$ 38.08
Payments for repurchase of stock options				$ 7,335	$ 0
Options repurchased				(7,335)
Common stock repurchased and retired				868
Additional Paid-In Capital
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options repurchased				(7,335)
Common stock repurchased and retired				868
Tender Offer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense		$ 5,275
Sale Of Stock, Percentage Sold, Maximum		0.10
Sale of stock, price per share (in usd per share) \| $ / shares		$ 59.77
Payments for repurchase of stock options		$ 13,479
Options recycled back into option pool (in shares) \| shares		220,000
Common stock repurchased and retired (in shares) \| shares		23,000
Common stock repurchased and retired		$ 868
Tender Offer \| Additional Paid-In Capital
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options repurchased		$ 7,335
IPO \| Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sale of stock, price per share (in usd per share) \| $ / shares						$ 102.00
Performance Based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, excluding options			$ 110,817	$ 110,817
Performance Based RSUs \| Share-Based Payment Arrangement, Founders
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value (in usd per share) \| $ / shares				$ 61.56
Performance Based RSUs \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award service period				3 years 6 months 29 days
Performance Based RSUs \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award service period				5 years 11 months 1 day
Performance Based RSUs \| Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense				$ 16,463
Performance Based RSUs \| Founders
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments other than options, grants in period (in shares) \| shares	1,800,000
Settlement period after vesting	1 year
Award vesting percentage	25.00%
Number of tranches \| tranche				10
Award service period	10 years
Performance Based RSUs \| IPO \| Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense				$ 5,574
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, weighted-average period of recognition				2 years
Number of options available for grant (in shares) \| shares			7,754,000	7,754,000
Vested RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense			$ 2,035	$ 2,035
Unrecognized compensation cost, weighted-average period of recognition				3 years
Unrecognized compensation expense, excluding options			$ 52,478	$ 52,478
Equity instruments other than options, grants in period (in shares) \| shares				787,000
2011 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				4 years
Share-based compensation, term of award				10 years
Incentive stock options, minimum exercise price, percent				100.00%
2021 Plan \| Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for future issuance (in shares) \| shares							7,946,000
Employee Stock Purchase Plan \| Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for future issuance (in shares) \| shares							1,119,000