Shareholder Report, Holdings (Details)	Jun. 30, 2026
Class A \| Diversified
Holdings [Line Items]
Percent of Net Asset Value	51.80%
Class A \| Industrials
Holdings [Line Items]
Percent of Net Asset Value	12.50%
Class A \| Retail [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.10%
Class A \| Residential
Holdings [Line Items]
Percent of Net Asset Value	7.30%
Class A \| Office
Holdings [Line Items]
Percent of Net Asset Value	6.00%
Class A \| Health Care [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class A \| Data Centers
Holdings [Line Items]
Percent of Net Asset Value	3.40%
Class A \| Industrial Office
Holdings [Line Items]
Percent of Net Asset Value	1.40%
Class A \| Self Storage
Holdings [Line Items]
Percent of Net Asset Value	1.10%
Class A \| Other (includes short-term investments)
Holdings [Line Items]
Percent of Net Asset Value	0.50%
Class A \| JAPAN
Holdings [Line Items]
Percent of Net Asset Value	23.10%
Class A \| AUSTRALIA
Holdings [Line Items]
Percent of Net Asset Value	17.30%
Class A \| SINGAPORE
Holdings [Line Items]
Percent of Net Asset Value	9.30%
Class A \| HONG KONG
Holdings [Line Items]
Percent of Net Asset Value	8.60%
Class A \| UNITED KINGDOM
Holdings [Line Items]
Percent of Net Asset Value	8.40%
Class A \| CANADA
Holdings [Line Items]
Percent of Net Asset Value	6.00%
Class A \| FRANCE
Holdings [Line Items]
Percent of Net Asset Value	5.80%
Class A \| GERMANY
Holdings [Line Items]
Percent of Net Asset Value	5.00%
Class A \| BELGIUM
Holdings [Line Items]
Percent of Net Asset Value	4.80%
Class A \| Other (includes short-term investments)
Holdings [Line Items]
Percent of Net Asset Value	11.70%
Class A \| Goodman Group
Holdings [Line Items]
Percent of Net Asset Value	7.50%
Class A \| Mitsui Fudosan Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	4.90%
Class A \| Sumitomo Realty & Development Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class A \| CapitaLand Integrated Commercial Trust
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class A \| Sun Hung Kai Properties Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Class A \| Mitsubishi Estate Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Class A \| Scentre Group
Holdings [Line Items]
Percent of Net Asset Value	2.80%
Class A \| Primaris Real Estate Investment Trust
Holdings [Line Items]
Percent of Net Asset Value	2.80%
Class A \| Tritax Big Box REIT PLC
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Class A \| Klepierre SA
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Class C \| Diversified
Holdings [Line Items]
Percent of Net Asset Value	51.80%
Class C \| Industrials
Holdings [Line Items]
Percent of Net Asset Value	12.50%
Class C \| Retail [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.10%
Class C \| Residential
Holdings [Line Items]
Percent of Net Asset Value	7.30%
Class C \| Office
Holdings [Line Items]
Percent of Net Asset Value	6.00%
Class C \| Health Care [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class C \| Data Centers
Holdings [Line Items]
Percent of Net Asset Value	3.40%
Class C \| Industrial Office
Holdings [Line Items]
Percent of Net Asset Value	1.40%
Class C \| Self Storage
Holdings [Line Items]
Percent of Net Asset Value	1.10%
Class C \| Other (includes short-term investments)
Holdings [Line Items]
Percent of Net Asset Value	0.50%
Class C \| JAPAN
Holdings [Line Items]
Percent of Net Asset Value	23.10%
Class C \| AUSTRALIA
Holdings [Line Items]
Percent of Net Asset Value	17.30%
Class C \| SINGAPORE
Holdings [Line Items]
Percent of Net Asset Value	9.30%
Class C \| HONG KONG
Holdings [Line Items]
Percent of Net Asset Value	8.60%
Class C \| UNITED KINGDOM
Holdings [Line Items]
Percent of Net Asset Value	8.40%
Class C \| CANADA
Holdings [Line Items]
Percent of Net Asset Value	6.00%
Class C \| FRANCE
Holdings [Line Items]
Percent of Net Asset Value	5.80%
Class C \| GERMANY
Holdings [Line Items]
Percent of Net Asset Value	5.00%
Class C \| BELGIUM
Holdings [Line Items]
Percent of Net Asset Value	4.80%
Class C \| Other (includes short-term investments)
Holdings [Line Items]
Percent of Net Asset Value	11.70%
Class C \| Goodman Group
Holdings [Line Items]
Percent of Net Asset Value	7.50%
Class C \| Mitsui Fudosan Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	4.90%
Class C \| Sumitomo Realty & Development Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class C \| CapitaLand Integrated Commercial Trust
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class C \| Sun Hung Kai Properties Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Class C \| Mitsubishi Estate Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Class C \| Scentre Group
Holdings [Line Items]
Percent of Net Asset Value	2.80%
Class C \| Primaris Real Estate Investment Trust
Holdings [Line Items]
Percent of Net Asset Value	2.80%
Class C \| Tritax Big Box REIT PLC
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Class C \| Klepierre SA
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Class I \| Diversified
Holdings [Line Items]
Percent of Net Asset Value	51.80%
Class I \| Industrials
Holdings [Line Items]
Percent of Net Asset Value	12.50%
Class I \| Retail [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.10%
Class I \| Residential
Holdings [Line Items]
Percent of Net Asset Value	7.30%
Class I \| Office
Holdings [Line Items]
Percent of Net Asset Value	6.00%
Class I \| Health Care [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class I \| Data Centers
Holdings [Line Items]
Percent of Net Asset Value	3.40%
Class I \| Industrial Office
Holdings [Line Items]
Percent of Net Asset Value	1.40%
Class I \| Self Storage
Holdings [Line Items]
Percent of Net Asset Value	1.10%
Class I \| Other (includes short-term investments)
Holdings [Line Items]
Percent of Net Asset Value	0.50%
Class I \| JAPAN
Holdings [Line Items]
Percent of Net Asset Value	23.10%
Class I \| AUSTRALIA
Holdings [Line Items]
Percent of Net Asset Value	17.30%
Class I \| SINGAPORE
Holdings [Line Items]
Percent of Net Asset Value	9.30%
Class I \| HONG KONG
Holdings [Line Items]
Percent of Net Asset Value	8.60%
Class I \| UNITED KINGDOM
Holdings [Line Items]
Percent of Net Asset Value	8.40%
Class I \| CANADA
Holdings [Line Items]
Percent of Net Asset Value	6.00%
Class I \| FRANCE
Holdings [Line Items]
Percent of Net Asset Value	5.80%
Class I \| GERMANY
Holdings [Line Items]
Percent of Net Asset Value	5.00%
Class I \| BELGIUM
Holdings [Line Items]
Percent of Net Asset Value	4.80%
Class I \| Other (includes short-term investments)
Holdings [Line Items]
Percent of Net Asset Value	11.70%
Class I \| Goodman Group
Holdings [Line Items]
Percent of Net Asset Value	7.50%
Class I \| Mitsui Fudosan Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	4.90%
Class I \| Sumitomo Realty & Development Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class I \| CapitaLand Integrated Commercial Trust
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class I \| Sun Hung Kai Properties Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Class I \| Mitsubishi Estate Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Class I \| Scentre Group
Holdings [Line Items]
Percent of Net Asset Value	2.80%
Class I \| Primaris Real Estate Investment Trust
Holdings [Line Items]
Percent of Net Asset Value	2.80%
Class I \| Tritax Big Box REIT PLC
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Class I \| Klepierre SA
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Class R \| Diversified
Holdings [Line Items]
Percent of Net Asset Value	51.80%
Class R \| Industrials
Holdings [Line Items]
Percent of Net Asset Value	12.50%
Class R \| Retail [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.10%
Class R \| Residential
Holdings [Line Items]
Percent of Net Asset Value	7.30%
Class R \| Office
Holdings [Line Items]
Percent of Net Asset Value	6.00%
Class R \| Health Care [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class R \| Data Centers
Holdings [Line Items]
Percent of Net Asset Value	3.40%
Class R \| Industrial Office
Holdings [Line Items]
Percent of Net Asset Value	1.40%
Class R \| Self Storage
Holdings [Line Items]
Percent of Net Asset Value	1.10%
Class R \| Other (includes short-term investments)
Holdings [Line Items]
Percent of Net Asset Value	0.50%
Class R \| JAPAN
Holdings [Line Items]
Percent of Net Asset Value	23.10%
Class R \| AUSTRALIA
Holdings [Line Items]
Percent of Net Asset Value	17.30%
Class R \| SINGAPORE
Holdings [Line Items]
Percent of Net Asset Value	9.30%
Class R \| HONG KONG
Holdings [Line Items]
Percent of Net Asset Value	8.60%
Class R \| UNITED KINGDOM
Holdings [Line Items]
Percent of Net Asset Value	8.40%
Class R \| CANADA
Holdings [Line Items]
Percent of Net Asset Value	6.00%
Class R \| FRANCE
Holdings [Line Items]
Percent of Net Asset Value	5.80%
Class R \| GERMANY
Holdings [Line Items]
Percent of Net Asset Value	5.00%
Class R \| BELGIUM
Holdings [Line Items]
Percent of Net Asset Value	4.80%
Class R \| Other (includes short-term investments)
Holdings [Line Items]
Percent of Net Asset Value	11.70%
Class R \| Goodman Group
Holdings [Line Items]
Percent of Net Asset Value	7.50%
Class R \| Mitsui Fudosan Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	4.90%
Class R \| Sumitomo Realty & Development Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class R \| CapitaLand Integrated Commercial Trust
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class R \| Sun Hung Kai Properties Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Class R \| Mitsubishi Estate Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Class R \| Scentre Group
Holdings [Line Items]
Percent of Net Asset Value	2.80%
Class R \| Primaris Real Estate Investment Trust
Holdings [Line Items]
Percent of Net Asset Value	2.80%
Class R \| Tritax Big Box REIT PLC
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Class R \| Klepierre SA
Holdings [Line Items]
Percent of Net Asset Value	2.60%
Class Z \| Diversified
Holdings [Line Items]
Percent of Net Asset Value	51.80%
Class Z \| Industrials
Holdings [Line Items]
Percent of Net Asset Value	12.50%
Class Z \| Retail [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.10%
Class Z \| Residential
Holdings [Line Items]
Percent of Net Asset Value	7.30%
Class Z \| Office
Holdings [Line Items]
Percent of Net Asset Value	6.00%
Class Z \| Health Care [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class Z \| Data Centers
Holdings [Line Items]
Percent of Net Asset Value	3.40%
Class Z \| Industrial Office
Holdings [Line Items]
Percent of Net Asset Value	1.40%
Class Z \| Self Storage
Holdings [Line Items]
Percent of Net Asset Value	1.10%
Class Z \| Other (includes short-term investments)
Holdings [Line Items]
Percent of Net Asset Value	0.50%
Class Z \| JAPAN
Holdings [Line Items]
Percent of Net Asset Value	23.10%
Class Z \| AUSTRALIA
Holdings [Line Items]
Percent of Net Asset Value	17.30%
Class Z \| SINGAPORE
Holdings [Line Items]
Percent of Net Asset Value	9.30%
Class Z \| HONG KONG
Holdings [Line Items]
Percent of Net Asset Value	8.60%
Class Z \| UNITED KINGDOM
Holdings [Line Items]
Percent of Net Asset Value	8.40%
Class Z \| CANADA
Holdings [Line Items]
Percent of Net Asset Value	6.00%
Class Z \| FRANCE
Holdings [Line Items]
Percent of Net Asset Value	5.80%
Class Z \| GERMANY
Holdings [Line Items]
Percent of Net Asset Value	5.00%
Class Z \| BELGIUM
Holdings [Line Items]
Percent of Net Asset Value	4.80%
Class Z \| Other (includes short-term investments)
Holdings [Line Items]
Percent of Net Asset Value	11.70%
Class Z \| Goodman Group
Holdings [Line Items]
Percent of Net Asset Value	7.50%
Class Z \| Mitsui Fudosan Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	4.90%
Class Z \| Sumitomo Realty & Development Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class Z \| CapitaLand Integrated Commercial Trust
Holdings [Line Items]
Percent of Net Asset Value	3.90%
Class Z \| Sun Hung Kai Properties Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Class Z \| Mitsubishi Estate Co. Ltd.
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Class Z \| Scentre Group
Holdings [Line Items]
Percent of Net Asset Value	2.80%
Class Z \| Primaris Real Estate Investment Trust
Holdings [Line Items]
Percent of Net Asset Value	2.80%
Class Z \| Tritax Big Box REIT PLC
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Class Z \| Klepierre SA
Holdings [Line Items]
Percent of Net Asset Value	2.60%

Shareholder Report, Holdings (Details)

Jun. 30, 2026