Common Stock, Capital Shares Reserved For Future Issuance, Annual Increase Percent

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Share-Based Compensation Arrangement By Share-Based Payment Award, Maximum Percentage Of Shares Issued Based On Performance Target Award

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Share-Based Compensation Arrangement By Share-based Payment Award, Terms Of Award, Minimum Performance Target Percentage

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Vesting, Number Of Equal Installments

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Share-based Compensation Arrangement By Share-based Payment Award, Stock Plan Offering Period

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Share-based Compensation Arrangement By Share-based Payment Award, Stock Plan Purchase Period

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- Definition

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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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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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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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 equity instruments other than options outstanding, including both vested and non-vested instruments.

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

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

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Share-based Compensation - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Jul. 31, 2019 shares	Dec. 31, 2021 USD ($) installment shares	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($) installment shares	Dec. 31, 2020 USD ($)	Mar. 31, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost		$ 37,000		$ 37,000
Stock compensation expense		27,123	$ 15,588	$ 71,950	$ 43,091
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period of recognition				1 year 10 months 24 days
Stock compensation expense		5,600	4,500	$ 14,900	12,300
Unvested RSAs and RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		$ 20,300	9,600	$ 53,400	28,300
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period of recognition				9 months 18 days
Outstanding shares (in shares) \| shares		269,000		269,000		728,000
Total unrecognized compensation cost		$ 3,200		$ 3,200
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period of recognition				2 years 6 months
Outstanding shares (in shares) \| shares		5,029,000		5,029,000		3,041,000
Total unrecognized compensation cost		$ 180,600		$ 180,600
Restricted Stock Units (RSUs) \| Share-based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding shares (in shares) \| shares		4,000,000		4,000,000
Performance-Based Restricted Stock Units, Incentive PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equal installments \| installment		3		3
Award vesting period		3 years		3 years
Minimum performance target percentage				0.95
Maximum percentage of shares issued based on performance target award				1.50
Performance-Based Restricted Stock Units, Incentive PSUs \| Share-based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage				33.30%
Performance-Based Restricted Stock Units, Incentive PSUs \| Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage				33.30%
Performance-Based Restricted Stock Units, Incentive PSUs \| Share-based Payment Arrangement, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage				33.30%
Performance-Based Restricted Stock Units, Annual PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum percentage of shares issued based on performance target award				1.50
Performance-Based Restricted Stock Units, Annual PSUs \| Share-based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage				25.00%
Award vesting period				1 year
Performance-Based Restricted Stock Units, Annual PSUs \| Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage				75.00%
Number of equal installments \| installment				12
Award vesting period				3 years
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
ESPP offering period	6 months
ESPP purchase period	6 months
Employee Stock \| Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
ESPP, maximum percentage of the common stock available for purchase	85.00%
Equity Incentive Plan 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units authorized for issuance (in shares) \| shares	52,000,000	37,834,512		37,834,512
Annual increase in shares reserved for future issuance based off of shares outstanding	4.00%
2019 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		$ 1,200	$ 1,500	$ 3,600	$ 2,500
Total unrecognized compensation cost		$ 2,300		$ 2,300
2019 Employee Stock Purchase Plan \| Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units authorized for issuance (in shares) \| shares		11,187,354		11,187,354
Issuance of common stock related to employee stock purchase plan (in shares) \| shares				371,740