v3.26.1
Shareholder Report, Average Annual Return (Details)
 6 Months Ended 12 Months Ended 60 Months Ended 120 Months Ended
Jun. 30, 2026
Jun. 30, 2016
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2026
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 4.95%   10.07% 1.69% 5.14%
Without Sales Load [Member] | C000121122          
Average Annual Return [Line Items]          
Average Annual Return, Percent 5.04%   10.28% 1.87% 5.34%
Bloomberg U.S. Aggregate Bond Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Bloomberg U.S. Aggregate Bond Index      
Bloomberg U.S. Aggregate Bond Index          
Average Annual Return [Line Items]          
Line Graph and Table Measure Name   Bloomberg U.S. Aggregate Bond Index      
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        
Average Annual Return, Percent 1.80%   3.96% 3.61% 2.35%
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 10.21%   22.32% 13.41% 15.51%
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        
Average Annual Return, Percent 1.80%   3.96% 3.61% 2.35%
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 10.21%   22.32% 13.41% 15.51%