Variable Interest Entities - Narrative (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Mar. 31, 2025
Variable Interest Entity [Line Items]
Assets	$ 5,332,107	$ 4,586,693
Liabilities	4,106,321	2,812,321
Consolidated funds
Variable Interest Entity [Line Items]
Assets	1,760,343	1,376,034
Liabilities	$ 2,409,981	$ 1,278,704

Amount of asset recognized for present right to economic benefit.

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+ Details

- Definition

Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others.

+ References

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+ Details

- 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.

+ References + Details

StepStone Group Inc. 10-Q