v3.26.1
Shareholder Report, Line Graph (Details) 191610_DoubleLine Total Return 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 $ 100,706
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
Bloomberg U.S. Mortgage Backed Securities (MBS) Index [Member]    
Account Value [Line Items]    
Line Graph and Table Measure Name   Bloomberg U.S. Mortgage Backed Securities (MBS) Index
Accumulated Value $ 100,000 $ 101,245