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Equity-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Nov. 30, 2022 | Jun. 30, 2018 | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022 | Sep. 18, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vested (in shares) |  |  | 2,416,849 |  |  |
Unrecognized non-cash compensation |  |  | $ 40,900 |  |  |
Unrecognized non-cash compensation, period of recognition |  |  | 4 years 3 months 18 days |  |  |
Tax benefits related to equity-based awards |  |  | $ 4,500 | $ 1,800 | $ 7,400 |
Equity-based compensation |  |  | $ 42,357 | $ 24,940 | $ 13,996 |
Restricted Stock Units (RSUs) |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period | 6 years |  | 4 years |  |  |
Weighted-average grant-date fair value of awards granted (in dollars per share) |  |  | $ 35.07 | $ 28.97 | $ 35.18 |
Fair value of awards vested |  |  | $ 24,300 | $ 16,500 | $ 27,500 |
Partnership interests grant date fair value (in dollars) | $ 6,100 |  |  |  |  |
Forfeited (in shares) |  |  | 50,843 |  |  |
Unvested (in shares) |  |  | 1,422,658 | 1,775,732 |  | 2,500,000
Class A2 Interests |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period |  | 6 years |  |  |  |
Profits interests percent |  | 5.20% |  |  |  |
Class A2 Interests | Share-based Payment Arrangement, Tranche One |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting percentage |  | 0.00% |  |  |  |
Class A2 Interests | Share-based Payment Arrangement, Tranche Two |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting percentage |  | 30.00% |  |  |  |
Class A2 Interests | Share-based Payment Arrangement, Tranche Three |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting percentage |  | 5.80% |  |  |  |
Liability classified awards |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Equity-based compensation |  |  | $ 19,800 | $ 8,600 |  |
Amounts paid to settle liability classified awards |  |  | $ 3,100 | $ 0 | $ 0 |
Class B2 units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Conversion of stock, conversion basis (in shares) |  | 1 |  |  |  |
Class B2 units |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Outstanding (in shares) |  |  | 2,566,566 |  |  |
Forfeited (in shares) |  |  | 0 |  |  |
Unvested (in shares) |  |  | 149,717 |  |  |
LTIP | Class A Common Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares available for grant (in shares) |  |  | 22,787,636 |  |  |

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