v3.25.2
Prospectus 1 [Member] Average Annual Total Returns - Prospectus 1
 12 Months Ended 60 Months Ended 117 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Bloomberg U.S. Aggregate Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 1.25% (0.33%) 1.20% [1]
Performance Inception Date     Apr. 07, 2015
ICE BofA U.S. Treasury Bill Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.29% 2.47% 1.83% [1]
Performance Inception Date     Apr. 07, 2015
Bloomberg U.S. MBS Index (no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 1.20% (0.74%) 0.81% [1]
Performance Inception Date     Apr. 07, 2015
Class A      
Prospectus [Line Items]      
Average Annual Return, Percent [2] 5.86% 1.99% 3.22% [1]
Performance Inception Date     Apr. 07, 2015
Class A | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent [2] 3.16% (0.52%) 1.14% [1]
Performance Inception Date     Apr. 07, 2015
Class A | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent [2] 3.41% 0.37% 1.52% [1]
Performance Inception Date     Apr. 07, 2015
Class C      
Prospectus [Line Items]      
Average Annual Return, Percent [2] 8.45% 2.08% 3.03% [1]
Performance Inception Date     Apr. 07, 2015
Class R6      
Prospectus [Line Items]      
Average Annual Return, Percent [3] 10.61% 3.15% 4.00% [1]
Performance Inception Date     Apr. 07, 2015
Class Y      
Prospectus [Line Items]      
Average Annual Return, Percent [2] 10.56% 3.09% 3.92% [1]
Performance Inception Date     Apr. 07, 2015
[1] Since inception April 07, 2015.
[2] Performance for class A, C, and Y shares prior to their inception (7/01/19) is derived from the historical performance of class I shares and has been adjusted for the higher fees applicable to class A, C, and Y shares.
[3] Performance for class R6 shares prior to their inception (6/1/20) is derived from the historical performance of class I shares and has been adjusted for the higher investor servicing fees applicable to class R6 shares.