v3.25.2
Class A C S I N R T Shares [Member] Average Annual Total Returns - Class A C S I N R T Shares
 12 Months Ended 60 Months Ended 115 Months Ended
Dec. 31, 2023
Dec. 31, 2023
Dec. 31, 2023
Class I | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 5.37% 1.34% 0.37%
Performance Inception Date     May 27, 2014
Class I | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 4.12% 1.37% 0.62%
Performance Inception Date [1]     May 27, 2014
Class I | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for expenses, fees, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.53% 1.10% 1.51%
Class I | ICE BofA U.S. 3-Month Treasury Bill Total Return Index (reflects no deduction for expenses, fees, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.01% 1.88% 1.30%
Class I | Return Before Taxes      
Prospectus [Line Items]      
Average Annual Return, Percent 7.01% 2.36% 1.41%
Performance Inception Date     May 27, 2014
Class N | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for expenses, fees, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.53% 1.10% 1.51%
Class N | ICE BofA U.S. 3-Month Treasury Bill Total Return Index (reflects no deduction for expenses, fees, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.01% 1.88% 1.30%
Class N | Return Before Taxes      
Prospectus [Line Items]      
Average Annual Return, Percent 6.98% 2.45% 1.45%
Performance Inception Date     May 27, 2014
Class S | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for expenses, fees, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.53% 1.10% 1.51%
Class S | ICE BofA U.S. 3-Month Treasury Bill Total Return Index (reflects no deduction for expenses, fees, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.01% 1.88% 1.30%
Class S | Return Before Taxes      
Prospectus [Line Items]      
Average Annual Return, Percent 6.33% 1.93% 0.94%
Performance Inception Date     May 27, 2014
Class T | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for expenses, fees, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.53% 1.10% 1.51%
Class T | ICE BofA U.S. 3-Month Treasury Bill Total Return Index (reflects no deduction for expenses, fees, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.01% 1.88% 1.30%
Class T | Return Before Taxes      
Prospectus [Line Items]      
Average Annual Return, Percent 6.74% 2.20% 1.22%
Performance Inception Date     May 27, 2014
Class R | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for expenses, fees, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.53% 1.10% 1.51%
Class R | ICE BofA U.S. 3-Month Treasury Bill Total Return Index (reflects no deduction for expenses, fees, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.01% 1.88% 1.30%
Class R | Return Before Taxes      
Prospectus [Line Items]      
Average Annual Return, Percent 6.07% 1.69% 0.71%
Performance Inception Date     May 27, 2014
Class A | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for expenses, fees, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.53% 1.10% 1.51%
Class A | ICE BofA U.S. 3-Month Treasury Bill Total Return Index (reflects no deduction for expenses, fees, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.01% 1.88% 1.30%
Class A | Return Before Taxes      
Prospectus [Line Items]      
Average Annual Return, Percent [2] 1.56% 1.16% 0.65%
Performance Inception Date [2]     May 27, 2014
Class C | Bloomberg U.S. Aggregate Bond Index (reflects no deduction for expenses, fees, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.53% 1.10% 1.51%
Class C | ICE BofA U.S. 3-Month Treasury Bill Total Return Index (reflects no deduction for expenses, fees, or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 5.01% 1.88% 1.30%
Class C | Return Before Taxes      
Prospectus [Line Items]      
Average Annual Return, Percent [3] 4.86% 1.40% 0.43%
Performance Inception Date [3]     May 27, 2014
[1] If the Fund incurs a loss, which generates a tax benefit, the Return After Taxes on Distributions and Sale of Fund Shares may exceed the Fund’s other return figures.
[2] Calculated assuming maximum permitted sales loads.
[3] The one year return is calculated to include the contingent deferred sales charge.