v3.26.1
Shareholder Report, Line Graph (Details) 191611_DoubleLine Core Fixed Income Fund_Class R6_TSR Annual {Class R6} - USD ($)
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Jul. 31, 2019
Mar. 31, 2026
Class R6                
Account Value [Line Items]                
Accumulated Value $ 10,533 $ 9,937 $ 9,672 $ 10,181 $ 10,522 $ 9,828 $ 10,000 $ 10,974
Bloomberg U.S. Aggregate Bond Index [Member]                
Account Value [Line Items]                
Line Graph and Table Measure Name               Bloomberg U.S. Aggregate Bond Index
Accumulated Value $ 10,337 $ 9,856 $ 9,692 $ 10,179 $ 10,620 $ 10,545 $ 10,000 $ 10,787