Shareholder Report, Average Annual Return (Details) 191629_DoubleLine Long Duration Total Return Bond Fund_Class I_TSR Annual {Class I} |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2026 |
Mar. 31, 2026 |
|
| Without Sales Load [Member] | Class I | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Class I (without sales charge) | ||
| Average Annual Return, Percent | 2.02% | (4.23%) | (0.79%) |
| Bloomberg U.S. Aggregate Bond Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Bond Index | ||
| Average Annual Return, Percent | 4.35% | 0.31% | 1.70% |
| Bloomberg U.S. Long Government/Credit Index [Member] | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | Bloomberg U.S. Long Government/Credit Index | ||
| Average Annual Return, Percent | 2.17% | (2.93%) | 1.18% |