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Share-based compensation arrangement by share-based payment award, maximum value of shares per employee.

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Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants Subject to Vest In Period

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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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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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The aggregate cash inflow comprised of the amount received from (a) employees to acquire the entity's shares under incentive awards, including stock option exercises and restricted stock arrangements, and (b) the excess tax benefit arising from such transactions.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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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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Description of terms of share-based payment arrangement. Includes, but is not limited to, type of award or grantee and reason for issuance.

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Discount rate from fair value on offering date that participants pay for shares.

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Discount rate from fair value on purchase date that participants pay for shares.

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The highest percentage of annual salary that an employee is permitted to utilize with respect to the 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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Gross number of share options (or share units) granted during the period.

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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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Equity Incentive Plans and Stock-Based Compensation - Additional Information (Details)		1 Months Ended			3 Months Ended		9 Months Ended
	Jun. 10, 2021 USD ($) shares	Nov. 30, 2021 USD ($) shares	Sep. 30, 2020 USD ($) shares	Aug. 31, 2020 shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares	Mar. 31, 2021 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for future issuance					136,314,305		136,314,305		278,819,076
Exchange ratio of common stock							2.293698169
Shares Available for Grant, Beginning balance					66,252,927		66,252,927		29,375,026
Stock Options, Granted							4,798,281
Shares Available for Grant, Exercised							3,945,200
Weighted-average grant date fair values of options granted \| $ / shares							$ 9.64	$ 2.93
Intrinsic value of vested options exercised \| $							$ 19,200,000	$ 7,800,000
Unrecognized stock-based compensation cost \| $					$ 90,200,000		$ 90,200,000
Weighted average period over which unrecognized compensation is expected to be recognized							2 years 4 months 24 days
Stock-based compensation expense \| $					17,409,000	$ 14,995,000	$ 37,473,000	35,496,000
Proceeds from stock options exercised \| $							11,476,000	38,210,000
Lemonaid Health, Inc. [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period		4 years
Unrecognized stock-based compensation cost \| $		$ 42,100,000
Weighted average period over which unrecognized compensation is expected to be recognized		3 years 9 months 18 days
General and Administrative Expense [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense \| $					7,436,000	6,836,000	12,937,000	16,423,000
General and Administrative Expense [Member] \| Lemonaid Health, Inc. [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense \| $					1,800,000		1,800,000
Stock Option Activity [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Tax benefit arising from stock option exercises \| $					0	$ 0	0	$ 0
Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock-based compensation cost \| $					$ 97,600,000		$ 97,600,000
Weighted average period over which unrecognized compensation is expected to be recognized							3 years 7 months 6 days
Early Exercise of Common Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock Options, Granted				3,000,000
Shares Available for Grant, Exercised			3,000,000
Proceeds from stock options exercised \| $			$ 34,700,000
Maximum [Member] \| Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period							4 years
Minimum [Member] \| Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period							1 year
2021 Incentive Equity Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Exercise price of stock options as a percentage of fair value of shares							110.00%
Share-based payment award, description							The number of shares of Class A common stock reserved for issuance under the 2021 Plan will automatically increase on January 1 of each calendar year, starting in 2022, in an amount equal to (i) 22,839,019 shares of Class A common stock, (ii) 3.0% of the aggregate number of shares of Class A common stock and Class B common stock outstanding, or (iii) a lesser number of shares determined by the Company’s Board of Directors prior to the applicable January 1.
Share-based payment award, expiration period							10 years
Share-based compensation terms of award							Options under the 2021 Plan have a contractual life of up to ten years. The exercise price of a stock option shall not be less than 100% of the estimated fair value of the shares on the date of grant, as determined by the Board of Directors.
2021 Incentive Equity Plan [Member] \| Stock Option Activity [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of total stock holding					10.00%		10.00%
2021 Incentive Equity Plan [Member] \| Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Exercise price of stock options as a percentage of fair value of shares							100.00%
ESPP [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Payroll deductions to participate in plan	15.00%
2006 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock Options, Granted							0
2006 Equity Incentive Plan \| Performance Based Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock Options, Granted							0
Class A Common Stock [Member] \| Lemonaid Health, Inc. [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock granted subject to vest		3,747,027
Common stock granted subject to vest, Weighted average grant date fair value \| $		$ 43,900,000
Class A Common Stock [Member] \| 2021 Incentive Equity Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for future issuance	136,000,000
Exchange ratio of common stock							2.293698169
Shares Available for Grant, Beginning balance					22,839,019		22,839,019
Common stock issued and outstanding, percentage							3.00%
Class A Common Stock [Member] \| 2021 Incentive Equity Plan [Member] \| Lemonaid Health, Inc. [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for future issuance		2,990,386
Class A Common Stock [Member] \| 2021 Incentive Equity Plan [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for future issuance	136,000,000
Class A Common Stock [Member] \| ESPP [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares reserved for future issuance	11,420,000
Common stock issued and outstanding, percentage	1.00%
Potential annual increase in shares reserved for future issuance	5,000,000
Discount from market price, offering date	85.00%
Discount from market price, purchase date	85.00%
Maximum value of shares per employee \| $	$ 25,000
Number of shares issued							0