Stock-Based Compensation - Long-Term Incentive Plan Awards (Details) - LTIP PSUs $ / shares in Units, $ in Thousands	6 Months Ended
Sep. 30, 2023 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock compensation expense \| $	$ 26,047
2024 \| Stock Incentive Plan 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award requisite service period (in months)	36 months
Issued (in shares) \| shares	20,846
Weighted-average grant date fair value (in dollars per share) \| $ / shares	$ 633.91
2024 \| Maximum \| Stock Incentive Plan 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	3 years
Award vesting rights percentage	200.00%

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

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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 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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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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