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Related Party Disclosures - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Related Party Transaction [Line Items] |  |  |
Payments to related partied under Tax Receivable Agreements | $ 10,281 | $ 5,981 | $ 787
Management and advisory fees, net |  |  |
Related Party Transaction [Line Items] |  |  |
Service fees | 585,140 | 497,179 | 380,257
Management and advisory fees, net | Stepstone Funds |  |  |
Related Party Transaction [Line Items] |  |  |
Service fees | 390,500 | 335,600 | 241,000
Carried Interest Allocations |  |  |
Related Party Transaction [Line Items] |  |  |
Total carried interest allocations | 176,309 | (122,253) | 786,569
Carried Interest Allocations | Stepstone Funds |  |  |
Related Party Transaction [Line Items] |  |  |
Total carried interest allocations | 176,300 | (122,300) | 786,600
Legacy Greenspring Carried Interest Allocations |  |  |
Related Party Transaction [Line Items] |  |  |
Total carried interest allocations | (75,157) | (452,163) | 187,106
Legacy Greenspring Carried Interest Allocations | Stepstone Funds |  |  |
Related Party Transaction [Line Items] |  |  |
Total carried interest allocations | $ (75,200) | $ (452,200) | $ 187,100

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