S000044832 [Member] Performance Management - DoubleLine Flexible Income Fund |
Mar. 31, 2026 |
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| Prospectus [Line Items] | ||||||||||||||||
| Bar Chart and Performance Table [Heading] | Performance | |||||||||||||||
| Performance Narrative [Text Block] | The following performance information provides some indication of the risks of investing in the Fund. The bar chart shows the performance of the Fund’s Class I shares for each full calendar year since the Fund’s inception. The table below shows how the average annual total returns of the Fund’s shares for the periods shown compare to those of a broad-based securities market index and an additional index with characteristics relevant to the Fund. The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Absent any applicable fee waivers and/or expense limitations (which have applied to the Fund since inception), performance would have been lower. Updated information on the Fund’s investment results can be obtained at no charge by calling 877-DLine11 (877-354-6311) or by visiting the Fund’s website at www.doubleline.com.
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| Performance Past Does Not Indicate Future [Text] | The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. | |||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The table below shows how the average annual total returns of the Fund’s shares for the periods shown compare to those of a broad-based securities market index and an additional index with characteristics relevant to the Fund. | |||||||||||||||
| Performance Additional Market Index [Text] | The Bloomberg U.S. Aggregate Bond Index represents securities that are SEC-registered, taxable, and dollar denominated. This index covers the U.S. investment-grade fixed rate bond market, with index components for government and corporate securities, mortgage pass-through securities, and asset-backed securities. | |||||||||||||||
| Bar Chart [Heading] | Class I Shares | |||||||||||||||
| Bar Chart Closing [Text Block] | During the periods shown above, the highest and lowest quarterly returns earned by the Fund’s Class I shares were:
The year-to-date total return for the Fund’s Class I shares as of June 30, 2026 was 1.85%.
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| Performance Table Heading | Average Annual Total Returns (for the periods ended December 31, 2025) Flexible Income Fund | |||||||||||||||
| Performance Table Narrative | The Fund’s after-tax returns as shown in the above table are calculated using the historical highest applicable individual U.S. federal marginal income tax rates for the period and do not reflect the impact of state and local taxes. Your actual after-tax returns depend on your tax situation and may differ from those shown. If you own shares of the Fund in a tax-advantaged account, such as a 401(k) plan or an individual retirement account (IRA), after-tax returns shown are not relevant to your investment. The “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than other return figures because when a capital loss occurs upon the redemption of shares of the Fund, a tax deduction is provided that may benefit the investor. After-tax returns are for Class I shares only. After-tax returns for other classes may vary. The Bloomberg U.S. Aggregate Bond Index represents securities that are SEC-registered, taxable, and dollar denominated. This index covers the U.S. investment-grade fixed rate bond market, with index components for government and corporate securities, mortgage pass-through securities, and asset-backed securities. These major sectors are subdivided into more specific indices that are calculated and reported on a regular basis. The ICE BofA SOFR Overnight Rate Index tracks the performance of a synthetic asset paying SOFR to a stated maturity. The ICE BofA SOFR Overnight Rate Index is based on the assumed purchase at par of a synthetic instrument having exactly its stated maturity and with a coupon equal to that day’s fixing rate. That issue is assumed to be sold the following business day (priced at a yield equal to the current day fixing rate) and rolled into a new instrument. It is not possible to invest directly in an index.
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| Performance Table Uses Highest Federal Rate | The Fund’s after-tax returns as shown in the above table are calculated using the historical highest applicable individual U.S. federal marginal income tax rates for the period and do not reflect the impact of state and local taxes. | |||||||||||||||
| Performance Table Not Relevant to Tax Deferred | Your actual after-tax returns depend on your tax situation and may differ from those shown. If you own shares of the Fund in a tax-advantaged account, such as a 401(k) plan or an individual retirement account (IRA), after-tax returns shown are not relevant to your investment. | |||||||||||||||
| Performance Table Explanation after Tax Higher | The “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than other return figures because when a capital loss occurs upon the redemption of shares of the Fund, a tax deduction is provided that may benefit the investor. | |||||||||||||||
| Performance Table One Class of after Tax Shown [Text] | After-tax returns are for Class I shares only. After-tax returns for other classes may vary. | |||||||||||||||
| Performance Availability Website Address [Text] | www.doubleline.com | |||||||||||||||
| Performance Availability Phone [Text] | 877-DLine11 (877-354-6311) | |||||||||||||||
| Class I | ||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||
| Year to Date Return, Label [Optional Text] | year-to-date total return | |||||||||||||||
| Bar Chart, Year to Date Return | 1.85% | |||||||||||||||
| Bar Chart, Year to Date Return, Date | Jun. 30, 2026 | |||||||||||||||
| Highest Quarterly Return, Label [Optional Text] | Highest: | |||||||||||||||
| Highest Quarterly Return | 9.85% | |||||||||||||||
| Highest Quarterly Return, Date | Jun. 30, 2020 | |||||||||||||||
| Lowest Quarterly Return, Label [Optional Text] | Lowest: | |||||||||||||||
| Lowest Quarterly Return | (12.56%) | |||||||||||||||
| Lowest Quarterly Return, Date | Mar. 31, 2020 |