Shareholder Report, Line Graph (Details) 191610_DoubleLine Total Return Bond 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 | $ 10,385 | $ 9,749 | $ 9,575 | $ 10,081 | $ 10,392 | $ 10,052 | $ 10,000 | $ 10,882 |
| 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 |
| 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 | $ 10,098 | $ 9,581 | $ 9,450 | $ 9,932 | $ 10,446 | $ 10,455 | $ 10,000 | $ 10,683 |