Fees and Expenses - Preferred Securities and Income Fund	Dec. 31, 2025 USD ($)
Prospectus [Line Items]
Expense Heading [Optional Text]	<span style="color:#000000;font-family:Times New Roman;font-size:10.02pt;font-weight:bold;text-transform:uppercase;">Fund Fees and Expenses</span>
Expense Narrative [Text Block]	This table describes the fees and expenses that you could 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, which are not reflected in the tables and examples below. You may qualify for sales charge discounts on Class A shares if you and your family invest, or agree to invest in the future, at least $100,000 in Cohen & Steers open-end mutual funds. More information about these and other discounts is available from your financial intermediary and in “How to Purchase, Exchange and Sell Fund Shares—Purchasing the Class of Fund Shares that is Best for You” in the Fund’s prospectus (the “Prospectus”), in the Appendix to this Prospectus titled “Sales Charge Reductions and Waivers Available Through Certain Intermediaries” (the “Appendix”), and “Reducing the Initial Sales Charge on Class A Shares” in the Fund’s Statement of Additional Information (the “SAI”). If you purchase Class F, Class I or Class Z shares through a financial intermediary acting as an agent on behalf of its customers, that financial intermediary may charge you a commission. Such commissions, if any, are not charged by the Fund and are not reflected in the fee table or expense example below.
Expense Breakpoint Discounts [Text]	<span style="color:#000000;font-family:Times New Roman;font-size:11.02pt;"> You may qualify for sales charge discounts on Class A shares if you and your family invest, or agree to invest in the future, at least </span><span style="color:#000000;font-family:Times New Roman;font-size:11.02pt;">$100,000</span><span style="color:#000000;font-family:Times New Roman;font-size:11.02pt;"> in Cohen & Steers open-end mutual funds.</span>
Expense Breakpoint, Minimum Investment Required [Amount]	$ 100,000
Shareholder Fees Caption [Optional Text]	<span style="color:#000000;font-family:Times New Roman;font-size:10pt;font-weight:bold;margin-left:0.0pt;">Shareholder Fees</span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;margin-left:0.0pt;"> (fees paid directly from your </span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;margin-left:10pt;">investment)</span>
Operating Expenses Caption [Optional Text]	<span style="font-family:Times New Roman;font-size:10pt;font-weight:bold;margin-left:0.0pt;">Annual Fund Operating Expenses</span><span style="font-family:Times New Roman;font-size:10pt;margin-left:0.0pt;"> (expenses that </span><span style="font-family:Times New Roman;font-size:10pt;margin-left:10pt;">you pay each year as a percentage of the value of </span><span style="font-family:Times New Roman;font-size:10pt;margin-left:10pt;">your investment)</span>
Expenses Deferred Charges [Text Block]	There is a contingent deferred sales charge (“CDSC”) of 1.00% on purchases of $1 million or more of Class A shares, which applies if redemption occurs within one year from purchase.For Class C shares, the maximum deferred sales charge does not apply after one year.
Expense Example [Heading]	<span style="color:#000000;font-family:Times New Roman;font-size:10.02pt;font-variant:small-caps;font-weight:bold;">Example</span>
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. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then either redeem or do not redeem your shares at the end of those periods. The example also assumes that your investment has a 5% return each year, that the Fund’s operating expenses remain the same, and that the Advisor did not waive its fee and/or reimburse expenses after June 30, 2027 (through June 30, 2027, expenses are based on the net amount pursuant to the fee waiver/expense reimbursement agreement). Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Expense Example by, Year, Caption [Text]	<span style="font-family:Times New Roman;font-size:11.02pt;margin-left:0.0pt;">Assuming redemption at the end of the period</span>
Expense Example, No Redemption, By Year, Caption [Text]	<span style="font-family:Times New Roman;font-size:11.02pt;margin-left:0.0pt;">Assuming no redemption at the end of the period</span>
Portfolio Turnover [Heading]	<span style="color:#000000;font-family:Times New Roman;font-size:10.02pt;font-variant:small-caps;font-weight:bold;">Portfolio Turnover</span>
Portfolio Turnover [Text Block]	The Fund pays transaction costs, such as commissions, 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 the annual fund operating expenses or in the example, affect the Fund’s performance. During the Fund’s most recent fiscal year, the Fund’s portfolio turnover rate was 61% of the average value of its portfolio.
Portfolio Turnover, Rate	61.00%

Fees and Expenses - Preferred Securities and Income Fund

Dec. 31, 2025

USD ($)

Fund Fees and Expenses

Expense Narrative [Text Block]

This table describes the fees and expenses that you could 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, which are not reflected in the tables and examples below. You may qualify for sales charge discounts on Class A shares if you and your family invest, or agree to invest in the future, at least $100,000 in Cohen & Steers open-end mutual funds. More information about these and other discounts is available from your financial intermediary and in “How to Purchase, Exchange and Sell Fund Shares—Purchasing the Class of Fund Shares that is Best for You” in the Fund’s prospectus (the “Prospectus”), in the Appendix to this Prospectus titled “Sales Charge Reductions and Waivers Available Through Certain Intermediaries” (the “Appendix”), and “Reducing the Initial Sales Charge on Class A Shares” in the Fund’s Statement of Additional Information (the “SAI”). If you purchase Class F, Class I or Class Z shares through a financial intermediary acting as an agent on behalf of its customers, that financial intermediary may charge you a commission. Such commissions, if any, are not charged by the Fund and are not reflected in the fee table or expense example below.

Expense Breakpoint Discounts [Text]

You may qualify for sales charge discounts on Class A shares if you and your family invest, or agree to invest in the future, at least $100,000 in Cohen & Steers open-end mutual funds.

Expense Breakpoint, Minimum Investment Required [Amount]

$ 100,000

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)

Expenses Deferred Charges [Text Block]

There is a contingent deferred sales charge (“CDSC”) of 1.00% on purchases of $1 million or more of Class A shares, which applies if redemption occurs within one year from purchase.For Class C shares, the maximum deferred sales charge does not apply after one year.

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. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then either redeem or do not redeem your shares at the end of those periods. The example also assumes that your investment has a 5% return each year, that the Fund’s operating expenses remain the same, and that the Advisor did not waive its fee and/or reimburse expenses after June 30, 2027 (through June 30, 2027, expenses are based on the net amount pursuant to the fee waiver/expense reimbursement agreement). Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example by, Year, Caption [Text]

Assuming redemption at the end of the period

Expense Example, No Redemption, By Year, Caption [Text]

Assuming no redemption at the end of the period

Portfolio Turnover [Heading]

Portfolio Turnover

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, 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 the annual fund operating expenses or in the example, affect the Fund’s performance. During the Fund’s most recent fiscal year, the Fund’s portfolio turnover rate was 61% of the average value of its portfolio.

Portfolio Turnover, Rate

61.00%