v3.25.2
Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Bloomberg U.S. Aggregate Bond Index (Reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 1.25% (0.33%) 1.35%
Bloomberg U.S. Mortgage-Backed Securities Index (Reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [2] 1.20% (0.74%) 0.91%
Customized Reference Benchmark (Reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 6.02% 1.71% 2.31%
Investor A Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 1.47% 0.04% 1.32%
Investor C Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 3.91% 0.09% 1.14%
Institutional Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 5.96% 1.09% 1.99%
Institutional Shares | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 3.49% (0.53%) 0.47%
Institutional Shares | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 3.49% 0.14% 0.86%
[1]
The Predecessor Fund has added this broad-based index in response to new regulatory requirements.
[2]
Effective approximately one year from the date of the Predecessor Fund’s prospectus, the Predecessor Fund will no longer compare its performance to this index.