v3.26.1
Shareholder Report, Line Graph (Details) 191627_DoubleLine Low Duration Emerging Markets Fixed Income Fund_Class N_TSR Annual {Class N} - USD ($)
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2026
Class N                      
Account Value [Line Items]                      
Accumulated Value $ 13,154 $ 12,290 $ 11,372 $ 11,508 $ 11,894 $ 11,019 $ 11,105 $ 10,685 $ 10,569 $ 10,000 $ 13,844
Bloomberg Global Aggregate Bond Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg Global Aggregate Bond Index
Accumulated Value 10,159 9,860 9,810 10,671 11,401 10,892 10,454 10,494 9,810 10,000 $ 10,592
J.P. Morgan CEMBI Broad Diversified 1-3 Year Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     J.P. Morgan CEMBI Broad Diversified 1-3 Year Index
Accumulated Value 13,897 12,854 11,852 11,558 12,477 10,933 11,250 10,781 10,565 10,000 $ 14,626
Bloomberg U.S. Aggregate 1-3 Year Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg U.S. Aggregate 1-3 Year Index
Accumulated Value $ 11,728 $ 11,105 $ 10,723 $ 10,697 $ 11,018 $ 10,889 $ 10,407 $ 10,099 $ 10,074 $ 10,000 $ 12,201