S000044832 [Member] Fees and Expenses - DoubleLine Flexible Income Fund	Mar. 31, 2026
Prospectus [Line Items]
Expense Heading [Optional Text]	Fees and Expenses of the Fund
Expense Narrative [Text Block]	This table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries (defined below), including when purchasing Class I, Class I2 and Class R6 shares through a broker or other financial intermediary acting as an agent on your behalf. Such commissions and other fees, if any, are not charged by the Fund and are not reflected in the fee table or expense example below.
Expenses Restated to Reflect Current [Text]	Other expenses have been restated to reflect current contractual fees. The Fund’s Acquired Fund Fees and Expenses have been restated to reflect current expenses.
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]	“Acquired Fund Fees and Expenses” are expenses indirectly incurred by the Fund as a result of its investments in one or more underlying funds, including exchange-traded funds (“ETFs”) and money market funds. Because these costs are indirect, the Total Annual Fund Operating Expenses in this fee table will not correlate to the expense ratio in the Fund’s financial statements, since financial statements only include direct costs of the Fund and not the indirect costs of investing in the underlying funds.
Shareholder Fees Caption [Optional Text]	Shareholder Fees (fees paid directly from your investment)
Operating Expenses Caption [Optional Text]	Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Expense Example [Heading]	Example
Expense Example Narrative [Text Block]	This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. This example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same (taking into account the Fund’s expense limitation for the first year). Although your actual costs may be higher or lower, based on these assumptions, your costs would be:
Portfolio Turnover [Heading]	Portfolio Turnover
Portfolio Turnover [Text Block]	The Fund incurs transaction costs when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 50% of the average value of its portfolio.
Portfolio Turnover, Rate	50.00%

S000044832 [Member] Fees and Expenses - DoubleLine Flexible Income Fund

Mar. 31, 2026

Fees and Expenses of the Fund

This table describes the fees and expenses you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries (defined below), including when purchasing Class I, Class I2 and Class R6 shares through a broker or other financial intermediary acting as an agent on your behalf. Such commissions and other fees, if any, are not charged by the Fund and are not reflected in the fee table or expense example below.

Expenses Restated to Reflect Current [Text]

Other expenses have been restated to reflect current contractual fees. The Fund’s Acquired Fund Fees and Expenses have been restated to reflect current expenses.

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

“Acquired Fund Fees and Expenses” are expenses indirectly incurred by the Fund as a result of its investments in one or more underlying funds, including exchange-traded funds (“ETFs”) and money market funds. Because these costs are indirect, the Total Annual Fund Operating Expenses in this fee table will not correlate to the expense ratio in the Fund’s financial statements, since financial statements only include direct costs of the Fund and not the indirect costs of investing in the underlying funds.

Shareholder Fees Caption [Optional Text]

Shareholder Fees (fees paid directly from your investment)

Operating Expenses Caption [Optional Text]

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)

Expense Example [Heading]

Example

Expense Example Narrative [Text Block]

This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

This example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same (taking into account the Fund’s expense limitation for the first year). Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

Portfolio Turnover [Heading]

Portfolio Turnover

Portfolio Turnover [Text Block]

The Fund incurs transaction costs when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 50% of the average value of its portfolio.

Portfolio Turnover, Rate

50.00%