v3.26.1
Shareholder Report, Average Annual Return (Details)
12 Months Ended 42 Months Ended 51 Months Ended 60 Months Ended 76 Months Ended 120 Months Ended
Apr. 30, 2026
Apr. 30, 2026
Apr. 30, 2026
Apr. 30, 2026
Apr. 30, 2026
Apr. 30, 2026
C000069675            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI Hedge Multi-Strategy Tracker ETF          
C000077928            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI Merger Arbitrage ETF          
C000170331            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI Candriam International Equity ETF          
C000238086            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI Candriam U.S. Mid Cap Equity ETF          
C000170332            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI Candriam U.S. Large Cap Equity ETF          
C000158453            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI FTSE International Equity Currency Neutral ETF          
C000232898            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI U.S. Large Cap R&D Leaders ETF          
C000232897            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI Global Equity R&D Leaders ETF          
Without Sales Load [Member] | C000069675            
Average Annual Return [Line Items]            
Average Annual Return, Percent 15.86%     4.24%   3.69%
Without Sales Load [Member] | C000077928            
Average Annual Return [Line Items]            
Average Annual Return, Percent 5.19%     1.82%   2.86%
Without Sales Load [Member] | C000170331            
Average Annual Return [Line Items]            
Average Annual Return, Percent 21.56%     8.11% 9.19%  
Without Sales Load [Member] | C000238086            
Average Annual Return [Line Items]            
Average Annual Return, Percent 26.12% 13.04%        
Without Sales Load [Member] | C000170332            
Average Annual Return [Line Items]            
Average Annual Return, Percent 30.06%     11.60% 15.35%  
Without Sales Load [Member] | C000158453            
Average Annual Return [Line Items]            
Average Annual Return, Percent 33.24%     11.66%   10.86%
Without Sales Load [Member] | C000232898            
Average Annual Return [Line Items]            
Average Annual Return, Percent 33.75%   14.58%      
Without Sales Load [Member] | C000232897            
Average Annual Return [Line Items]            
Average Annual Return, Percent 39.94%   14.12%      
Russell 3000® Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name Russell 3000<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 31.01%     11.91%   14.75%
MSCI World® Index (Net)            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name MSCI World<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 (Net)          
Average Annual Return, Percent 29.16%     11.29%   12.65%
MSCI EAFE® Index (Net)            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name MSCI EAFE<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 (Net)          
Average Annual Return, Percent 24.60%     8.83% 9.27%  
Russell 3000® Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name Russell 3000<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 31.01% 21.09%        
Russell 3000® Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name Russell 3000<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 31.01%     11.91% 14.75%  
MSCI EAFE® Index (Net)            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name MSCI EAFE<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 (Net)          
Average Annual Return, Percent 24.60%     8.83%   8.85%
Russell 3000® Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name Russell 3000<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 31.01%   12.91%      
MSCI World® Index (Net)            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name MSCI World<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 (Net)          
Average Annual Return, Percent 29.16%   12.15%      
NYLI Hedge Multi-Strategy Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI Hedge Multi-Strategy Index          
Average Annual Return, Percent 16.87%     4.98%   4.44%
S&P 500® Index (Net)            
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 (Net)          
Average Annual Return, Percent 30.57%     12.65%   14.67%
Barclay Hedge Fund Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name Barclay Hedge Fund Index          
Average Annual Return, Percent 17.28%     5.83%   6.83%
NYLI Merger Arbitrage Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI Merger Arbitrage Index          
Average Annual Return, Percent 6.43%     2.62%   3.55%
S&P 500® Index (Net)            
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 (Net)          
Average Annual Return, Percent 30.57%     12.65%   14.67%
Barclay Merger Arbitrage Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name Barclay Merger Arbitrage Index          
Average Annual Return, Percent 6.36%     3.82%   5.15%
NYLI Candriam International Equity Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI Candriam International Equity Index          
Average Annual Return, Percent 21.82%     8.35% 9.41%  
NYLI Candriam U.S. Mid Cap Equity Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI Candriam U.S. Mid Cap Equity Index          
Average Annual Return, Percent 26.37% 13.25%        
Russell Midcap® Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name Russell Midcap<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 25.78% 16.30%        
NYLI Candriam U.S. Large Cap Equity Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI Candriam U.S. Large Cap Equity Index          
Average Annual Return, Percent 30.21%     11.72% 15.46%  
S&P 500® Index            
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%     13.14% 15.36%  
FTSE Developed ex North America 50% Hedged to USD Net Tax (US RIC) Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name FTSE Developed ex North America 50% Hedged to USD Net Tax (US RIC) Index          
Average Annual Return, Percent 34.15%     12.04%   11.26%
FTSE Developed ex North America Net Tax (US RIC) Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name FTSE Developed ex North America Net Tax (US RIC) Index          
Average Annual Return, Percent 32.58%     9.53%   9.57%
FTSE Developed ex North America 100% Hedged to USD Net Tax (US RIC) Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name FTSE Developed ex North America 100% Hedged to USD Net Tax (US RIC) Index          
Average Annual Return, Percent 35.60%     14.45%   12.85%
NYLI U.S. Large Cap R&D Leaders Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI U.S. Large Cap R&D Leaders Index          
Average Annual Return, Percent 33.93%   14.70%      
Russell 1000® Growth Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name Russell 1000<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> Growth Index          
Average Annual Return, Percent 30.63%   14.88%      
NYLI Global Equity R&D Leaders Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name NYLI Global Equity R&D Leaders Index          
Average Annual Return, Percent 40.58%   14.37%      
FTSE All-World Growth® Index            
Average Annual Return [Line Items]            
Line Graph and Table Measure Name FTSE All-World Growth<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 31.45%   12.68%