v3.25.2
S000057732 [Member] Average Annual Total Returns
 12 Months Ended 60 Months Ended 74 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Bloomberg U.S. Aggregate 1-3 Year Index (reflects no deduction for fees, expenses, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 4.39% 1.53% 2.08%
Performance Inception Date [1]     Nov. 02, 2018
Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [2] 1.25% (0.33%) 1.54%
Performance Inception Date [2]     Nov. 02, 2018
Institutional      
Prospectus [Line Items]      
Average Annual Return, Percent 4.52% 2.42% 2.56%
Performance Inception Date     Nov. 02, 2018
Institutional | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 2.74% 1.11% 1.31%
Performance Inception Date     Nov. 02, 2018
Institutional | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 2.66% 1.30% 1.44%
Performance Inception Date     Nov. 02, 2018
[1]
The Bloomberg U.S. Aggregate 1‑3 Year Index consists of publicly issued, investment-grade corporate, U.S. Treasury and government agency securities with remaining maturities of one to three years, and is the index against which the Fund is primarily managed.
[2]
The Bloomberg U.S. Aggregate Bond Index is a broad-based securities market index that measures the investment grade, U.S.-dollar-denominated, fixed-rate, taxable bond market.