v3.25.2
Shareholder Report, Holdings (Details)
Jun. 30, 2025
C000070253 | Welltower  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000070253 | Equinix  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000070253 | Prologis  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000070253 | Goodman Group  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000070253 | Ventas  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000070253 | Simon Property Group  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000070253 | Sun Communities  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000070253 | Public Storage  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000070253 | Mitsubishi Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000070253 | Equity Residential  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000070253 | Apartment Residential  
Holdings [Line Items]  
Percent of Net Asset Value 21.20%
C000070253 | Industrial  
Holdings [Line Items]  
Percent of Net Asset Value 20.50%
C000070253 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000070253 | Self Storage  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000070253 | Data Centers  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000070253 | Diversified  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000070253 | Regional Mall  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000070253 | Office  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000070253 | Shopping Center  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000070253 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000070254 | Welltower  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000070254 | Equinix  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000070254 | Prologis  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000070254 | Goodman Group  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000070254 | Ventas  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000070254 | Simon Property Group  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000070254 | Sun Communities  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000070254 | Public Storage  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000070254 | Mitsubishi Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000070254 | Equity Residential  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000070254 | Apartment Residential  
Holdings [Line Items]  
Percent of Net Asset Value 21.20%
C000070254 | Industrial  
Holdings [Line Items]  
Percent of Net Asset Value 20.50%
C000070254 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000070254 | Self Storage  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000070254 | Data Centers  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000070254 | Diversified  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000070254 | Regional Mall  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000070254 | Office  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000070254 | Shopping Center  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000070254 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000177202 | Welltower  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000177202 | Equinix  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000177202 | Prologis  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000177202 | Goodman Group  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000177202 | Ventas  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000177202 | Simon Property Group  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000177202 | Sun Communities  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000177202 | Public Storage  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000177202 | Mitsubishi Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000177202 | Equity Residential  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000177202 | Apartment Residential  
Holdings [Line Items]  
Percent of Net Asset Value 21.20%
C000177202 | Industrial  
Holdings [Line Items]  
Percent of Net Asset Value 20.50%
C000177202 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000177202 | Self Storage  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000177202 | Data Centers  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000177202 | Diversified  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000177202 | Regional Mall  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000177202 | Office  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000177202 | Shopping Center  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000177202 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%