v3.25.2
Shareholder Report, Average Annual Return (Details)
 6 Months Ended 12 Months Ended 60 Months Ended 120 Months Ended
Jun. 30, 2025
Jun. 30, 2015
Jun. 30, 2025
Jun. 30, 2025
Jun. 30, 2025
C000127985          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name OnTrack Core Fund        
C000121122          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name OnTrack Core Fund        
Without Sales Load [Member] | C000127985          
Average Annual Return [Line Items]          
Average Annual Return, Percent 0.97%   (0.17%) 2.86% 4.29%
Without Sales Load [Member] | C000121122          
Average Annual Return [Line Items]          
Average Annual Return, Percent 1.06%   0.02% 3.05% 4.49%
Bloomberg U.S. Treasury Bills: 1-3 Months          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Bloomberg U.S. Treasury Bills: 1-3 Months      
Bloomberg U.S. Treasury Bills: 1-3 Months          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Bloomberg U.S. Treasury Bills: 1-3 Months      
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 4.02%   6.08% (0.73%) 1.76%
S&P 500 Index TR          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name S&P 500 Index TR        
Average Annual Return, Percent 6.20%   15.16% 16.64% 13.65%
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 4.02%   6.08% (0.73%) 1.76%
S&P 500 Index TR          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name S&P 500 Index TR        
Average Annual Return, Percent 6.20%   15.16% 16.64% 13.65%