Shareholder Report, Average Annual Return (Details) |
12 Months Ended | 43 Months Ended |
|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2026 |
|
| C000217028 | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Princeton Adaptive Premium Fund | |
| Average Annual Return, Percent | (1.27%) | 2.62% |
| C000217027 | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Princeton Adaptive Premium Fund | |
| Without Sales Load [Member] | C000217028 | ||
| Average Annual Return [Line Items] | ||
| Average Annual Return, Percent | 4.76% | 4.32% |
| Without Sales Load [Member] | C000217027 | ||
| Average Annual Return [Line Items] | ||
| Average Annual Return, Percent | 5.42% | 5.26% |
| S&P 500 Index TR | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | |
| Average Annual Return, Percent | 31.05% | 22.15% |
| S&P 500 Index TR | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | |
| Average Annual Return, Percent | 31.05% | 22.15% |
| Bloomberg U.S. Aggregate Bond Index | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Bond Index | |
| Average Annual Return, Percent | 4.06% | 4.14% |
| Bloomberg U.S. Aggregate Bond Index | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Bond Index | |
| Average Annual Return, Percent | 4.06% | 4.14% |