v3.26.1
S000057732 [Member] Average Annual Total Returns
 12 Months Ended 60 Months Ended 86 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Bloomberg U.S. Aggregate 1-3 Year Index (reflects no deduction for fees, expenses, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 5.39% 1.98% 2.53%
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] 7.30% (0.36%) 2.33%
Performance Inception Date [2]     Nov. 02, 2018
Institutional      
Prospectus [Line Items]      
Average Annual Return, Percent 6.48% 2.76% 3.10%
Performance Inception Date     Nov. 02, 2018
Institutional | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 4.76% 1.36% 1.78%
Performance Inception Date     Nov. 02, 2018
Institutional | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 3.83% 1.51% 1.82%
Performance Inception Date     Nov. 02, 2018
[1]
The Bloomberg U.S. Aggregate 1‑3 Year Index measures the performance of investment grade, US dollar-denominated, fixed-rate, taxable corporate and government-related debt with 1 to 3 years to maturity. It is composed of a corporate and a non‑corporate component that includes non‑US agencies, sovereigns, supranationals and local authorities.
[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.