Shareholder Report, Line Graph (Details) - USD ($) |
10 Months Ended | 12 Months Ended | 22 Months Ended | 34 Months Ended | 46 Months Ended | 58 Months Ended | 70 Months Ended | |
|---|---|---|---|---|---|---|---|---|
Jun. 24, 2020 |
Apr. 30, 2021 |
Apr. 30, 2026 |
Apr. 30, 2022 |
Apr. 30, 2023 |
Apr. 30, 2024 |
Apr. 30, 2025 |
Apr. 30, 2026 |
|
| C000196833 | ||||||||
| Account Value [Line Items] | ||||||||
| Line Graph and Table Measure Name | Toews Agility Shares Dynamic Tactical Income ETF | |||||||
| Accumulated Value | $ 10,000 | $ 10,441 | $ 10,088 | $ 9,882 | $ 10,306 | $ 10,722 | $ 11,429 | |
| C000196860 | ||||||||
| Account Value [Line Items] | ||||||||
| Line Graph and Table Measure Name | Toews Agility Shares Managed Risk ETF | |||||||
| Accumulated Value | 10,000 | 12,569 | 13,079 | 13,388 | 14,490 | 15,645 | 18,182 | |
| Bloomberg U.S. Aggregate Bond Index | ||||||||
| Account Value [Line Items] | ||||||||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Bond Index | |||||||
| Accumulated Value | 10,000 | 9,887 | 9,045 | 9,007 | 8,874 | 9,586 | 9,975 | |
| S&P 500 Index TR | ||||||||
| Account Value [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 | |||||||
| Accumulated Value | 10,000 | 13,890 | 13,920 | 14,291 | 17,529 | 19,650 | 25,751 | |
| ICE BofA High Yield U.S. Corporates Cash Pay | ||||||||
| Account Value [Line Items] | ||||||||
| Line Graph and Table Measure Name | ICE BofA High Yield U.S. Corporates Cash Pay Index | |||||||
| Accumulated Value | 10,000 | 11,247 | 10,689 | 10,819 | 11,781 | 12,804 | 13,934 | |
| CBOE S&P 500 BUYWRITE INDEX - BXM | ||||||||
| Account Value [Line Items] | ||||||||
| Line Graph and Table Measure Name | CBOE 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> BuyWrite Index | |||||||
| Accumulated Value | $ 10,000 | $ 12,415 | $ 13,479 | $ 13,328 | $ 14,544 | $ 15,925 | $ 18,716 |