v3.26.1
Shareholder Report, Holdings (Details)
Jun. 30, 2026
C000073513 | Electric Transmission & Distribution  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000073513 | Institutional Brokerage  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000073513 | P&C Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000073513 | Higher Education  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000073513 | Econ & Indust Development  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000073513 | Miscellaneous Tax  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000073513 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000073513 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000073513 | Electricity And Public Power  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000073513 | Integrated Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000073513 | Hospitals  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000073513 | Local Authority  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000073513 | Tobacco  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000073513 | Life Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000073513 | Other Sectors  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000167229 | Electric Transmission & Distribution  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000167229 | Institutional Brokerage  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000167229 | P&C Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000167229 | Higher Education  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000167229 | Econ & Indust Development  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000167229 | Miscellaneous Tax  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000167229 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000167229 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000167229 | Electricity And Public Power  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000167229 | Integrated Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000167229 | Hospitals  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000167229 | Local Authority  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000167229 | Tobacco  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000167229 | Life Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000167229 | Other Sectors  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000219380 | Electric Transmission & Distribution  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000219380 | Institutional Brokerage  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000219380 | P&C Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000219380 | Higher Education  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000219380 | Econ & Indust Development  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000219380 | Miscellaneous Tax  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000219380 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000219380 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000219380 | Electricity And Public Power  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000219380 | Integrated Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000219380 | Hospitals  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000219380 | Local Authority  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000219380 | Tobacco  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000219380 | Life Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000219380 | Other Sectors  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000003857 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000003857 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000003857 | Real Estate Investment Trusts (REITs)  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000003857 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000003857 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000003857 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000003857 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000003857 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000003857 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000003857 | Communications  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000003857 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000003857 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 39.50%
C000167227 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000167227 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000167227 | Real Estate Investment Trusts (REITs)  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000167227 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000167227 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000167227 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000167227 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000167227 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000167227 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000167227 | Communications  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000167227 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000167227 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 39.50%
C000219378 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000219378 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000219378 | Real Estate Investment Trusts (REITs)  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000219378 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000219378 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000219378 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000219378 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000219378 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000219378 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000219378 | Communications  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000219378 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000219378 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 39.50%
C000059931 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
C000059931 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000059931 | Local  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000059931 | Idr & Pcr  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000059931 | Lease  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000059931 | Special Tax  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000059931 | Transportation  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000059931 | Education  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000059931 | Housing  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
C000167228 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
C000167228 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000167228 | Local  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000167228 | Idr & Pcr  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000167228 | Lease  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000167228 | Special Tax  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000167228 | Transportation  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000167228 | Education  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000167228 | Housing  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
C000219379 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
C000219379 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000219379 | Local  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000219379 | Idr & Pcr  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000219379 | Lease  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000219379 | Special Tax  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000219379 | Transportation  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000219379 | Education  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000219379 | Housing  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
C000003855 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000003855 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000003855 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000003855 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000003855 | Communications  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000003855 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000003855 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000003855 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 93.60%
C000167226 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000167226 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000167226 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000167226 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000167226 | Communications  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000167226 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000167226 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000167226 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 93.60%
C000219377 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000219377 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000219377 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000219377 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000219377 | Communications  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000219377 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000219377 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000219377 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 93.60%
C000240591 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000240591 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000240591 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 93.80%
C000240591 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000240590 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000240590 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000240590 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 93.80%
C000240590 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000240589 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000240589 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000240589 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 93.80%
C000240589 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%