v3.25.4
Class A C R R6 Y [Member] Average Annual Total Returns - Class A C R R6 Y
 12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Bloomberg U.S. Aggregate Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 7.30% (0.36%) 2.01%
ICE BofA U.S. Convertible Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 17.98% 5.05% 11.22%
Class C Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 10.12% 2.52% 9.28%
Class A Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 5.51% 2.07% 9.29%
Class A Shares | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 3.54% 0.18% 7.14%
Class A Shares | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 3.81% 1.13% 6.86%
Class R Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 11.69% 3.03% 9.67%
Class Y Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 12.21% 3.55% 10.22%
Class R6 Shares      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 12.27% 3.61% 10.27%
[1]
Performance for class R6 shares prior to their inception (5/22/18) is derived from the historical performance of class Y shares and has not been adjusted for the lower investor servicing fees applicable to class R6 shares; had it been adjusted, returns would have been higher.