v3.26.1
Shareholder Report, Line Graph (Details) 191630_DoubleLine Strategic Commodity 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 $ 15,380 $ 16,343 $ 15,344 $ 17,441 $ 11,802 $ 8,517 $ 11,874 $ 12,238 $ 10,755 $ 10,000 $ 19,483
S&P 500 Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     S&P 500® Index
Accumulated Value 31,913 29,480 22,698 24,599 21,271 13,605 14,625 13,357 11,717 10,000 $ 37,594
Bloomberg Commodity Index Total Return [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg Commodity Index Total Return
Accumulated Value $ 16,343 $ 14,556 $ 14,638 $ 16,727 $ 11,207 $ 8,299 $ 10,682 $ 11,275 $ 10,871 $ 10,000 $ 21,620