v3.26.1
Shareholder Report, Line Graph (Details) 191615_DoubleLine Low Duration Bond Fund_Class I2_TSR Annual {Class I2} - USD ($)
12 Months Ended
Oct. 31, 2025
Mar. 31, 2026
Class I2    
Account Value [Line Items]    
Accumulated Value $ 100,000 $ 101,210
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 100,000 $ 100,425
ICE BofA 1-3 Year U.S. Treasury Index [Member]    
Account Value [Line Items]    
Line Graph and Table Measure Name   ICE BofA 1-3 Year U.S. Treasury Index
Accumulated Value 100,000 $ 101,073
Bloomberg U.S. Aggregate 1-3 Years Index [Member]    
Account Value [Line Items]    
Line Graph and Table Measure Name   Bloomberg U.S. Aggregate 1-3 Years Index
Accumulated Value $ 100,000 $ 101,161