v3.25.2
Prospectus 2 [Member] Average Annual Total Returns - Prospectus 2
 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 3.47% 3.47% 3.47% [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 11.37% 11.37% 11.37% [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 2.18% 2.18% 2.18% [1]
Performance Inception Date     Apr. 07, 2015
Class I      
Prospectus [Line Items]      
Average Annual Return, Percent 10.67% 3.18% 4.04% [1]
Performance Inception Date     Apr. 07, 2015
Class I | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 7.69% 0.50% 1.86% [1]
Performance Inception Date     Apr. 07, 2015
Class I | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 6.25% 1.21% 2.12% [1]
Performance Inception Date     Apr. 07, 2015
[1] Since inception April 07, 2015.