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Equity-Based Compensation - 2017 Equity Incentive Plan (Details) - 2017 Equity Incentive Plan	12 Months Ended
	Mar. 31, 2020 shares
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option expiration period	1 year
Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares)	5,000,000
Shares available for grant (in shares)	3,261,399
Award Expiration Period One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	4 years
Award Expiration Period Two | Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option expiration period	10 years
Award Expiration Period Three | Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option expiration period	3 months

X

- Definition

Aggregate number of common shares reserved for future issuance.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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No definition available.

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- Definition

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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- Definition

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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