| Cover | 12 Months Ended |
| Mar. 31, 2024 | |
| Document Information [Line Items] | |
| Document Type | PRE 14A |
| Amendment Flag | false |
| Entity Information [Line Items] | |
| Entity Registrant Name | STEPSTONE GROUP INC. |
| Entity Central Index Key | 0001796022 |
| Pay vs Performance Disclosure - USD ($) | 12 Months Ended | |||
| Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021 | |
| Pay vs Performance Disclosure | ||||
| Pay vs Performance Disclosure, Table | Pay versus Performance Table As required by Section 953(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act, and Item 402(v) of Regulation S-K, Year Summary (1) Summary ($) (1) Compensation ($) (2) Compensation ($) Average Non-PEO ($) (3) Average Non-PEO ($) (4) Value of Initial Net ($ in (7) Fee- ($ in (8) TSR (5) Peer Group (6) 2024 $ 2,720,523 N/A $ 3,523,650 N/A $ 1,967,272 $ 2,247,099 $ 155.14 $ 182.85 $ 167,820 $ 189,793 2023 $ 3,595,256 N/A $ 2,353,504 N/A $ 3,202,157 $ 2,688,046 $ 101.29 $ 138.32 $ (45,275 ) $ 156,158 2022 $ 6,210,738 $ 6,044,087 $ 5,884,459 $ 6,044,087 $ 5,994,832 $ 5,911,642 $ 134.05 $ 153.12 $ 484,281 $ 122,242 2021 $ 1,640,876 $ 2,740,522 $ 8,816,974 $ 2,740,522 $ 2,586,942 $ 7,349,794 $ 141.36 $ 140.46 $ 314,593 $ 89,484 (1) Messrs. Hart and Brem served as Co-Chief (2) The dollar amounts reported in this column represent the “compensation actually paid” to Mr. Hart, as computed in accordance with Item 402(v) of Regulation S-K 2024 Summary Compensation Table Total $ 2,720,523 Less, value of “Stock Awards” reported in Summary Compensation Table $ (562,515 ) Plus, year-end $ 570,982 Plus (less), year over year change in fair value of outstanding and unvested equity awards granted in prior years $ 430,733 Plus (less), change in fair value from prior year-end $ 363,927 Compensation Actually Paid to Mr. Hart $ 3,523,650 (3) The dollar amounts reported in this column represent the average of the amounts reported for the Company’s named executive officers (NEOs) as a group (excluding Messrs. Hart and Brem) as total compensation in our Summary Compensation Table for each of the corresponding fiscal years. The names of each of the NEOs included for these purposes is as follows: (i) for fiscal 2024, Messrs. Park, Ment, Fernandez, McCabe and Randel; (ii) for fiscal 2023 and fiscal 2022, Messrs. Randel, Ment, Fernandez and McCabe; and (iii) for fiscal 2021, Messrs. Ment and McCabe. (4) The dollar amounts reported in this column represent the “compensation actually paid” to the NEOs as a group (excluding Messrs. Hart and Brem), as computed in accordance with Item 402(v) of Regulation S-K. calculated in accordance with FASB ASC Topic 718, and the valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. 2024 Average Summary Compensation Table Total $ 1,967,272 Less, average value of “Stock Awards” reported in Summary Compensation Table $ (353,882 ) Plus, average year-end $ 282,174 Plus (less), average year over year change in fair value of outstanding and unvested equity awards granted in prior years $ 167,312 Plus (less), average change in fair value from prior year-end $ 184,223 Average Compensation Actually Paid to Non-PEO $ 2,247,099 (5) Total Shareholder Return (TSR) is calculated by dividing (a) the sum of (i) the cumulative amount of dividends for the measurement period, assuming dividend reinvestment, and (ii) the difference between the Company’s share price at the end of each fiscal year shown and the beginning of the measurement period, and the beginning of the measurement period by (b) the Company’s share price at the beginning of the measurement period. The beginning of the measurement period for each year in the table is September 16, 2020, the date of the Company’s initial public offering. (6) The peer group used for this purpose is the following published industry index: Dow Jones US Asset Managers Index. (7) The dollar amounts reported represent the amount of net income reflected in the Company’s audited financial statements for the applicable year. (8) The dollar amounts reported represent the amount of FRE for the applicable year. FRE is a non-GAAP fee-related non-wholly mark-to-market | |||
| Company Selected Measure Name | FRE | |||
| Named Executive Officers, Footnote | The names of each of the NEOs included for these purposes is as follows: (i) for fiscal 2024, Messrs. Park, Ment, Fernandez, McCabe and Randel; (ii) for fiscal 2023 and fiscal 2022, Messrs. Randel, Ment, Fernandez and McCabe; and (iii) for fiscal 2021, Messrs. Ment and McCabe. | |||
| Peer Group Issuers, Footnote | The peer group used for this purpose is the following published industry index: Dow Jones US Asset Managers Index. | |||
| Adjustment To PEO Compensation, Footnote | (2) The dollar amounts reported in this column represent the “compensation actually paid” to Mr. Hart, as computed in accordance with Item 402(v) of Regulation S-K 2024 Summary Compensation Table Total $ 2,720,523 Less, value of “Stock Awards” reported in Summary Compensation Table $ (562,515 ) Plus, year-end $ 570,982 Plus (less), year over year change in fair value of outstanding and unvested equity awards granted in prior years $ 430,733 Plus (less), change in fair value from prior year-end $ 363,927 Compensation Actually Paid to Mr. Hart $ 3,523,650 | |||
| Non-PEO NEO Average Total Compensation Amount | $ 1,967,272 | $ 3,202,157 | $ 5,994,832 | $ 2,586,942 |
| Non-PEO NEO Average Compensation Actually Paid Amount | $ 2,247,099 | 2,688,046 | 5,911,642 | 7,349,794 |
| Adjustment to Non-PEO NEO Compensation Footnote | (4) The dollar amounts reported in this column represent the “compensation actually paid” to the NEOs as a group (excluding Messrs. Hart and Brem), as computed in accordance with Item 402(v) of Regulation S-K. calculated in accordance with FASB ASC Topic 718, and the valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. 2024 Average Summary Compensation Table Total $ 1,967,272 Less, average value of “Stock Awards” reported in Summary Compensation Table $ (353,882 ) Plus, average year-end $ 282,174 Plus (less), average year over year change in fair value of outstanding and unvested equity awards granted in prior years $ 167,312 Plus (less), average change in fair value from prior year-end $ 184,223 Average Compensation Actually Paid to Non-PEO $ 2,247,099 | |||
| Compensation Actually Paid vs. Total Shareholder Return | ||||
| Compensation Actually Paid vs. Net Income | ||||
| Compensation Actually Paid vs. Company Selected Measure | ||||
| Total Shareholder Return Vs Peer Group | ||||
| Tabular List, Table | Financial Performance Measures As described further under “Compensation Discussion and Analysis,” the Company’s executive compensation program reflects our performance-based compensation culture. Although a large portion of our executive compensation program relies heavily on equity ownership and carried interest awards to create a direct link between the compensation realized by our NEOs and the interests of our shareholders and our clients, our annual bonus program utilizes a number of financial and non-financial • FRE; • FRE margin; • FEAUM; • adjusted net income per share; • client relationship management; and • team and culture management. | |||
| Total Shareholder Return Amount | $ 155.14 | 101.29 | 134.05 | 141.36 |
| Peer Group Total Shareholder Return Amount | 182.85 | 138.32 | 153.12 | 140.46 |
| Net Income (Loss) | $ 167,820,000 | $ (45,275,000) | $ 484,281,000 | $ 314,593,000 |
| Company Selected Measure Amount | 189,793,000 | 156,158,000 | 122,242,000 | 89,484,000 |
| PEO Name | Mr. Hart | |||
| Measure:: 1 | ||||
| Pay vs Performance Disclosure | ||||
| Name | FRE | |||
| Non-GAAP Measure Description | FRE is a non-GAAP fee-related non-wholly mark-to-market | |||
| Measure:: 2 | ||||
| Pay vs Performance Disclosure | ||||
| Name | FRE margin | |||
| Measure:: 3 | ||||
| Pay vs Performance Disclosure | ||||
| Name | FEAUM | |||
| Measure:: 4 | ||||
| Pay vs Performance Disclosure | ||||
| Name | adjusted net income per share | |||
| Measure:: 5 | ||||
| Pay vs Performance Disclosure | ||||
| Name | client relationship management | |||
| Measure:: 6 | ||||
| Pay vs Performance Disclosure | ||||
| Name | team and culture management | |||
| Mr. Hart [Member] | ||||
| Pay vs Performance Disclosure | ||||
| PEO Total Compensation Amount | $ 2,720,523 | $ 3,595,256 | $ 6,210,738 | $ 1,640,876 |
| PEO Actually Paid Compensation Amount | 3,523,650 | $ 2,353,504 | 5,884,459 | 8,816,974 |
| Mr. Brem [Member] | ||||
| Pay vs Performance Disclosure | ||||
| PEO Total Compensation Amount | 6,044,087 | 2,740,522 | ||
| PEO Actually Paid Compensation Amount | $ 6,044,087 | $ 2,740,522 | ||
| PEO | Mr. Hart [Member] | Stock Awards [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | (562,515) | |||
| PEO | Mr. Hart [Member] | Year end fair value of outstanding and unvested equity awards granted in the year [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 570,982 | |||
| PEO | Mr. Hart [Member] | Year over year change in fair value of outstanding and unvested equity awards granted in prior years [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 430,733 | |||
| PEO | Mr. Hart [Member] | change in fair value from prior year end to vesting date of equity awards granted in prior years that vested in the year | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 363,927 | |||
| Non-PEO NEO | Stock Awards [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | (353,882) | |||
| Non-PEO NEO | Year end fair value of outstanding and unvested equity awards granted in the year [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 282,174 | |||
| Non-PEO NEO | Year over year change in fair value of outstanding and unvested equity awards granted in prior years [Member] | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | 167,312 | |||
| Non-PEO NEO | change in fair value from prior year end to vesting date of equity awards granted in prior years that vested in the year | ||||
| Pay vs Performance Disclosure | ||||
| Adjustment to Compensation, Amount | $ 184,223 | |||
