| Cover | 6 Months Ended |
| Sep. 30, 2023 | |
| Document Information [Line Items] | |
| Entity Registrant Name | StepStone Private Markets |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Entity Central Index Key | 0001789470 |
| Document Period End Date | Sep. 30, 2023 |
| N-2 | 6 Months Ended |
| Sep. 30, 2023 $ / shares | |
| Cover [Abstract] | |
| Entity Central Index Key | 0001789470 |
| Amendment Flag | false |
| Document Type | N-CSRS |
| Entity Registrant Name | StepStone Private Markets |
| General Description of Registrant [Abstract] | |
| Investment Objectives and Practices [Text Block] | The Board provides broad oversight over the Fund’s investment program, management and operations and has the right to delegate management responsibilities. StepStone Group Private Wealth LLC serves as the Fund’s investment adviser (“Adviser”). The Adviser oversees the management of the Fund’s day -to-day -adviser -Adviser -to-day The Fund’s investment objective is to achieve long -term |
| Risk Factors [Table Text Block] | An investment in the Fund involves material risks, including performance risk, liquidity risk, business and financial risk, risks associated with the use of leverage, valuation risk, tax risk and other risks that should be carefully considered prior to investing and investing should only be considered by persons financially able to maintain their investment and who can afford a loss of a substantial part or all of such investment. |
| Capital Stock, Long-Term Debt, and Other Securities [Abstract] | |
| Capital Stock [Table Text Block] | The Fund offers four separate classes of shares of beneficial interest designated as Class I Shares, Class D Shares, Class S Shares and Class T Shares. Each class of Shares is subject to different fees and expenses. The minimum initial investment in Class I Shares by an investor in the Fund is $1.0 million. The minimum initial investment in Class D Shares, Class S Shares and Class T Shares by an investor is $50,000. The minimum initial investment may be reduced at the Adviser’s discretion. Investors purchasing Class S Shares and Class T Shares may be charged a sales load up to a maximum of 3.50%. Investors purchasing Class I Shares and Class D Shares are not charged a sales load. The Fund accepts initial and additional purchases of Shares daily at the Fund’s then -current The following table summarizes the Capital Share transactions for the six months ended September 30, 2023 and the year ended March 31, 2023: For the Six Months Ended For the Year Ended Shares Amounts Shares Amounts Class I Proceeds from shares issued 7,890,914 $ 372,613,720 11,179,593 $ 490,075,040 Reinvestment of distributions — — 233,474 10,189,628 Repurchase of shares (763,481 ) (36,244,378 ) (629,543 ) (28,124,884 ) Exchange of shares 229,902 10,720,919 — — Net increase 7,357,335 $ 347,090,261 10,783,524 $ 472,139,784 Class D Proceeds from shares issued 263,820 $ 12,411,262 349,850 $ 15,334,320 Reinvestment of distributions — — 5,998 261,258 Repurchase of shares (14,287 ) (676,728 ) (6,775 ) (293,037 ) Exchange of shares (204,598 ) (9,487,772 ) — — Net increase 44,935 $ 2,246,762 349,073 $ 15,302,541 Class S Proceeds from shares issued 1,902,713 $ 88,927,267 1,131,084 $ 49,609,100 Reinvestment of distributions — — 8,774 382,623 Repurchase of shares (3,484 ) (163,818 ) (17,510 ) (803,871 ) Exchange of shares (25,930 ) (1,233,147 ) — — Net increase 1,873,299 $ 87,530,302 1,122,348 $ 49,187,852 Class T Proceeds from shares issued 121,466 $ 5,660,217 128,897 $ 5,594,829 Reinvestment of distributions — — 561 24,401 Repurchase of shares (2 ) (95 ) — — Exchange of shares — — — — Net increase 121,464 $ 5,660,122 129,458 $ 5,619,230 |
| Class I Shares [Member] | |
| General Description of Registrant [Abstract] | |
| NAV Per Share | $ 47.48 |
| Class D Shares [Member] | |
| General Description of Registrant [Abstract] | |
| NAV Per Share | 47.34 |
| Class T Shares [Member] | |
| General Description of Registrant [Abstract] | |
| NAV Per Share | 46.98 |
| Class S Shares [Member] | |
| General Description of Registrant [Abstract] | |
| NAV Per Share | $ 46.95 |
