Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Rights, Number Of Performance Targets

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Award Types

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- Definition

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

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exchanges, Weighted Average Participation Threshold

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures And Repurchases, Weighted Average Participation Threshold

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Grants In Period, Weighted Average Participation Threshold

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Modification of MIU Plans, Weighted Average Participation Threshold

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Nonvested, Fair Value

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Vested And Nonvested In Period

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No definition available.

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- Definition

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

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-Name Accounting Standards Codification
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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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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 weighted average fair value at grant date for nonvested equity-based awards issued 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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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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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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Net number of non-option equity instruments granted to participants.

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- Definition

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

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- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

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Number of grantees affected by modification of award under share-based payment arrangement.

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

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Expected term of 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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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

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Value of stock issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit).

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Share-based Compensation - Narrative (Details)	12 Months Ended
Share-based Compensation - Narrative (Details)	Mar. 31, 2020 USD ($) award_type participant performance_target $ / shares shares	Mar. 31, 2019 USD ($) $ / shares	Mar. 31, 2018 USD ($) $ / shares	Jul. 31, 2019 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of award types \| award_type	2
Effect of reorganization \| $	$ 278,248,000
Weighted average grant date fair value of units granted (in dollars per share) \| $ / shares	$ 7.71	$ 3.62	$ 0.82
Total fair value of units vested \| $	$ 278,200,000	$ 92,000,000.0	$ 22,600,000
Share-based compensation expense \| $	$ 222,478,000	71,151,000	$ 22,294,000
Expected term (years)	6 years 1 month 6 days
Management Incentive Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units authorized for issuance (in units)	24,100,000
Number of awards granted (in shares)	469,000
Expected term (years)			2 years 6 months
Risk-free interest rate			2.34%
Fair value of units outstanding \| $	$ 0	5.45
Weighted average participation threshold, exchanged/converted (dollars per share) \| $ / shares	$ 1.99
Weighted average participation threshold, granted (in dollars per share) \| $ / shares	7.71
Weighted average grant date fair value, forfeited (in dollars per share) \| $ / shares	0.06
Weighted average participation threshold, modification of MIU plan awards (in dollars per share) \| $ / shares	$ 0.56
Number of units vested (in shares)	0
Appreciation Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units authorized for issuance (in units)	800,000
Number of awards granted (in shares)	53,000
Fair value of units outstanding \| $	$ 0	$ 5.45
Weighted average participation threshold, exchanged/converted (dollars per share) \| $ / shares	$ 1.99
Weighted average participation threshold, granted (in dollars per share) \| $ / shares	7.71
Weighted average grant date fair value, forfeited (in dollars per share) \| $ / shares	1.63
Weighted average participation threshold, modification of MIU plan awards (in dollars per share) \| $ / shares	$ 1.62
Number of units vested (in shares)	0
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of performance targets \| performance_target	4
Vesting percentage	25.00%
Time-Vested Units \| 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
Requisite service period	48 months
Time-Vested Units \| Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	75.00%
Award vesting period	36 months
Requisite service period	3 years
Management Incentive Units and Appreciation Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of participants impacted by the plan modification \| participant	306
Incremental stock compensation expense recognized from the plan modification \| $	$ 145,300,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation cost not yet recognized \| $	$ 38,800,000
Weighted average period of recognition	3 years 4 months 24 days
Share-based compensation expense \| $	$ 7,200,000
Unvested restricted stock and RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense \| $	$ 27,900,000
Number of awards granted (in shares)	6,569,783
Restricted Stock And Restricted Stock Units, Performance-Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of performance targets	4
Vesting percentage	25.00%
Number of awards granted (in shares)	696,873
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period of recognition	1 year 10 months 24 days
Number of awards granted (in shares)	2,855,000
Total unrecognized compensation cost \| $	$ 22,900,000
Weighted average participation threshold, granted (in dollars per share) \| $ / shares	$ 16.00
Weighted average grant date fair value, forfeited (in dollars per share) \| $ / shares	$ 16.00
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period of recognition	3 years
Number of awards granted (in shares)	3,715,000
Total unrecognized compensation cost \| $	$ 44,400,000
Weighted average participation threshold, granted (in dollars per share) \| $ / shares	$ 16.33
Weighted average grant date fair value, forfeited (in dollars per share) \| $ / shares	$ 16.42
Shares committed under ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
ESPP offering period	6 months
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	0.80%
Minimum \| Management Incentive Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (years)	6 months	1 year
Risk-free interest rate	1.86%	2.33%
Minimum \| Appreciation Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (years)	6 months	1 year	2 years 6 months
Risk-free interest rate	1.86%	2.33%	2.34%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	1.90%
Maximum \| Management Incentive Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (years)	1 year 3 months	1 year 6 months
Risk-free interest rate	2.09%	2.40%
Maximum \| Appreciation Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (years)	1 year 3 months	1 year 6 months
Risk-free interest rate	2.09%	2.40%
2019 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost \| $	$ 400,000
Expected term (years)	15 days
Risk-free interest rate	1.60%
Award Period One \| Restricted Stock And Restricted Stock Units, Time-Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards granted (in shares)	3,379,170
Award Period One \| Restricted Stock And Restricted Stock Units, Time-Based \| 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
Award Period One \| Restricted Stock And Restricted Stock Units, Time-Based \| Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	75.00%
Award vesting period	36 months
Award Period Two \| Restricted Stock And Restricted Stock Units, Time-Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards granted (in shares)	2,443,740
Award Period Two \| Restricted Stock And Restricted Stock Units, Time-Based \| 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
Award Period Two \| Restricted Stock And Restricted Stock Units, Time-Based \| Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	75.00%
Award vesting period	3 years
Award Period Three \| Restricted Stock And Restricted Stock Units, Time-Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards granted (in shares)	50,000
Common Class A \| Shares committed under ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
ESPP, maximum percentage of the common stock available for purchase	85.00%
Common Class A \| 2019 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for future issuance (in shares)				6,250,000