Shareholder Report, Average Annual Return (Details) 832212_Royce Quant Small-Cap Quality Value ETF_Single Class_TSR Annual {Single Class} |
12 Months Ended | 60 Months Ended | 105 Months Ended |
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2026 |
Mar. 31, 2026 |
|
| Royce Quant Small-Cap Quality Value ETF | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Royce Quant Small-Cap Quality Value ETF (NAV) | ||
| Average Annual Return, Percent | 18.14% | 5.54% | 7.96% |
| Russell 3000 Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 3000 Index | ||
| Average Annual Return, Percent | 18.09% | 10.87% | 13.20% |
| Russell 2000 Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Russell 2000 Index | ||
| Average Annual Return, Percent | 25.72% | 3.77% | 8.09% |