v3.26.1
Touchstone Flexible Income Fund Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended 386 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Bloomberg US Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)[Member]          
Prospectus [Line Items]          
Average Annual Return, Percent   7.30% (0.36%) 2.01%
Performance Inception Date        
Class A          
Prospectus [Line Items]          
Average Annual Return, Percent   2.77% 1.73% 3.03%  
Class A | After Taxes on Distributions          
Prospectus [Line Items]          
Average Annual Return, Percent   0.77% 0.14% 1.56%  
Class A | After Taxes on Distributions and Sales          
Prospectus [Line Items]          
Average Annual Return, Percent   1.61% 0.63% 1.70%  
Class C          
Prospectus [Line Items]          
Average Annual Return, Percent   4.41% 1.66% 3.03%  
Class Y          
Prospectus [Line Items]          
Average Annual Return, Percent   6.52% 2.70% 3.91%  
Institutional Class          
Prospectus [Line Items]          
Average Annual Return, Percent   6.53% 2.78% 4.01%