Investment Strategy - International Realty Fund	Dec. 31, 2025
Prospectus [Line Items]
Strategy [Heading]	<span style="color:#000000;font-family:Times New Roman;font-size:10.02pt;font-weight:bold;text-transform:uppercase;">Principal Investment Strategies</span>
Strategy Narrative [Text Block]	In managing the Fund’s portfolio, the Advisor and the Fund’s sub-investment advisors, Cohen & Steers Asia Limited and Cohen & Steers UK Limited (the “Subadvisors”), adhere to an integrated, bottom-up, relative value investment process when selecting publicly traded real estate securities. To guide the portfolio construction process, the Advisor and Subadvisors utilize a proprietary valuation model that quantifies relative valuation of real estate securities based on price-to-net asset value (“NAV”), cash flow multiple/growth ratios and a dividend discount model (“DDM”). Analysts incorporate both quantitative and qualitative analysis in their NAV, cash flow, growth and DDM estimates. The company research process includes an evaluation of the commercial real estate supply and demand dynamics, management, strategy, property quality, financial strength and corporate structure. Judgments with respect to global macroeconomic factors, risk control, geographic and property sector diversification, liquidity and other factors are considered along with the models’ output and drive the portfolio managers’ investment decisions. The Fund will not seek to achieve specific environmental, social and governance (“ESG”) outcomes through its portfolio of investments, nor will it pursue an overall impact or sustainable investment strategy. However, the Advisor may incorporate consideration of relevant ESG factors into its investment decision-making.Under normal market conditions, the Fund invests at least 80% of its total assets in a portfolio of non-U.S. real estate equity securities. Real estate equity securities include common stocks, preferred stocks and other equity securities issued by real estate companies, including real estate investment trusts (“REITs”) and similar REIT like entities. A real estate company is one that (i) derives at least 50% of its revenue from the ownership, construction, financing, management or sale of commercial, industrial or residential real estate and land; or (ii) has at least 50% of its assets invested in such real estate. The Fund may invest up to 20% of its total assets in U.S. real estate equity securities, including U.S. REITs. REITs are companies that own interests in real estate or in real estate related loans or other interests, and their revenue primarily consists of rent derived from owned, income producing real estate properties and capital gains from the sale of such properties. The Fund may invest without limit in shares of REITs. A REIT in the U.S. is generally not taxed on income distributed to shareholders so long as it meets certain tax related requirements, including the requirement that it distribute substantially all of its taxable income to such shareholders (other than net capital gains for each taxable year). Foreign REITs and REIT-like entities are organized outside of the U.S. and have operations and receive tax treatment in their respective countries similar to that of U.S. REITs. While the Fund is not limited to investing in REIT-like entities, it is expected that the Fund will invest a significant percentage of its portfolio in these types of entities. The Fund retains the ability to invest in real estate companies of any market capitalization. Under normal market conditions, the Fund expects to have investments across different countries and regions. The non-U.S. companies in which the Fund invests may include those domiciled in emerging market countries. Typically, emerging markets are in countries that are in the process of industrialization, with lower gross national products per capita than more developed countries. The Fund may invest up to 15% of its total assets in emerging market companies. The Fund may also invest in securities of foreign companies in the form of American Depositary Receipts (“ADRs”), Global Depositary Receipts (“GDRs”) and European Depositary Receipts (“EDRs”). The Fund may engage in foreign currency transactions, including foreign currency forward contracts, futures contracts, options, swaps and other similar strategic transactions in connection with its investments in securities of non-U.S. companies. The Fund’s primary use of foreign currency transactions will be to reduce the foreign currency risk inherent in the Fund’s investments.
Strategy Portfolio Concentration [Text]	<span style="font-family:Times New Roman;font-size:11.02pt;">Under normal market conditions, the Fund invests at least 80% of its total assets in a portfolio of non-U.S. real estate equity securities.</span>

Investment Strategy - International Realty Fund

Dec. 31, 2025

<span style="color:#000000;font-family:Times New Roman;font-size:10.02pt;font-weight:bold;text-transform:uppercase;">Principal Investment Strategies</span>

Strategy Narrative [Text Block]

In managing the Fund’s portfolio, the Advisor and the Fund’s sub-investment advisors, Cohen & Steers Asia Limited and Cohen & Steers UK Limited (the “Subadvisors”), adhere to an integrated, bottom-up, relative value investment process when selecting publicly traded real estate securities. To guide the portfolio construction process, the Advisor and Subadvisors utilize a proprietary valuation model that quantifies relative valuation of real estate securities based on price-to-net asset value (“NAV”), cash flow multiple/growth ratios and a dividend discount model (“DDM”). Analysts incorporate both quantitative and qualitative analysis in their NAV, cash flow, growth and DDM estimates. The company research process includes an evaluation of the commercial real estate supply and demand dynamics, management, strategy, property quality, financial strength and corporate structure. Judgments with respect to global macroeconomic factors, risk control, geographic and property sector diversification, liquidity and other factors are considered along with the models’ output and drive the portfolio managers’ investment decisions. The Fund will not seek to achieve specific environmental, social and governance (“ESG”) outcomes through its portfolio of investments, nor will it pursue an overall impact or sustainable investment strategy. However, the Advisor may incorporate consideration of relevant ESG factors into its investment decision-making.Under normal market conditions, the Fund invests at least 80% of its total assets in a portfolio of non-U.S. real estate equity securities. Real estate equity securities include common stocks, preferred stocks and other equity securities issued by real estate companies, including real estate investment trusts (“REITs”) and similar REIT like entities. A real estate company is one that (i) derives at least 50% of its revenue from the ownership, construction, financing, management or sale of commercial, industrial or residential real estate and land; or (ii) has at least 50% of its assets invested in such real estate. The Fund may invest up to 20% of its total assets in U.S. real estate equity securities, including U.S. REITs. REITs are companies that own interests in real estate or in real estate related loans or other interests, and their revenue primarily consists of rent derived from owned, income producing real estate properties and capital gains from the sale of such properties. The Fund may invest without limit in shares of REITs. A REIT in the U.S. is generally not taxed on income distributed to shareholders so long as it meets certain tax related requirements, including the requirement that it distribute substantially all of its taxable income to such shareholders (other than net capital gains for each taxable year). Foreign REITs and REIT-like entities are organized outside of the U.S. and have operations and receive tax treatment in their respective countries similar to that of U.S. REITs. While the Fund is not limited to investing in REIT-like entities, it is expected that the Fund will invest a significant percentage of its portfolio in these types of entities. The Fund retains the ability to invest in real estate companies of any market capitalization. Under normal market conditions, the Fund expects to have investments across different countries and regions. The non-U.S. companies in which the Fund invests may include those domiciled in emerging market countries. Typically, emerging markets are in countries that are in the process of industrialization, with lower gross national products per capita than more developed countries. The Fund may invest up to 15% of its total assets in emerging market companies. The Fund may also invest in securities of foreign companies in the form of American Depositary Receipts (“ADRs”), Global Depositary Receipts (“GDRs”) and European Depositary Receipts (“EDRs”). The Fund may engage in foreign currency transactions, including foreign currency forward contracts, futures contracts, options, swaps and other similar strategic transactions in connection with its investments in securities of non-U.S. companies. The Fund’s primary use of foreign currency transactions will be to reduce the foreign currency risk inherent in the Fund’s investments.

Strategy Portfolio Concentration [Text]

<span style="font-family:Times New Roman;font-size:11.02pt;">Under normal market conditions, the Fund invests at least 80% of its total assets in a portfolio of non-U.S. real estate equity securities.</span>