Shareholder Report, Line Graph (Details) 191610_DoubleLine Total Return Bond 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 | $ 11,205 | $ 10,551 | $ 10,396 | $ 10,979 | $ 11,363 | $ 11,025 | $ 10,734 | $ 10,316 | $ 10,121 | $ 10,000 | $ 11,704 |
| 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 | 11,342 | 10,814 | 10,633 | 11,168 | 11,651 | 11,569 | 10,620 | 10,165 | 10,044 | 10,000 | $ 11,835 |
| 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 | $ 10,898 | $ 10,340 | $ 10,199 | $ 10,719 | $ 11,273 | $ 11,283 | $ 10,542 | $ 10,095 | $ 10,017 | $ 10,000 | $ 11,529 |