v3.25.4
Shareholder Report, Holdings (Details)
Dec. 31, 2025
C000073513 | P&C Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000073513 | Midstream - Oil & Gas  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000073513 | Institutional Brokerage  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000073513 | Higher Education  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000073513 | Econ & Indust Development  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000073513 | Miscellaneous Tax  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000073513 | Integrated Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000073513 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000073513 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000073513 | Electricity And Public Power  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000073513 | Hospitals  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000073513 | Local Authority  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000073513 | Tobacco  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000073513 | Life Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000073513 | Other Sectors  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
C000167229 | P&C Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000167229 | Midstream - Oil & Gas  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000167229 | Institutional Brokerage  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000167229 | Higher Education  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000167229 | Econ & Indust Development  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000167229 | Miscellaneous Tax  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000167229 | Integrated Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000167229 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000167229 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000167229 | Electricity And Public Power  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000167229 | Hospitals  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000167229 | Local Authority  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000167229 | Tobacco  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000167229 | Life Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000167229 | Other Sectors  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
C000219380 | P&C Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000219380 | Midstream - Oil & Gas  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000219380 | Institutional Brokerage  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000219380 | Higher Education  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000219380 | Econ & Indust Development  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000219380 | Miscellaneous Tax  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000219380 | Integrated Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000219380 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000219380 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000219380 | Electricity And Public Power  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000219380 | Hospitals  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000219380 | Local Authority  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000219380 | Tobacco  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000219380 | Life Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000219380 | Other Sectors  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
C000003857 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000003857 | Real Estate Investment Trusts (REITs)  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000003857 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000003857 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000003857 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000003857 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000003857 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000003857 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000003857 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000003857 | Communications  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000003857 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 39.50%
C000167227 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000167227 | Real Estate Investment Trusts (REITs)  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000167227 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000167227 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000167227 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000167227 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000167227 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000167227 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000167227 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000167227 | Communications  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000167227 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 39.50%
C000219378 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000219378 | Real Estate Investment Trusts (REITs)  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000219378 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000219378 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000219378 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000219378 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000219378 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000219378 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000219378 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000219378 | Communications  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000219378 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 39.50%
C000059931 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000059931 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000059931 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000059931 | Idr & Pcr  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000059931 | Local  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000059931 | Special Tax  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000059931 | Education  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000059931 | Lease  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000059931 | Transportation  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000059931 | Housing  
Holdings [Line Items]  
Percent of Net Asset Value 20.10%
C000167228 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000167228 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000167228 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000167228 | Idr & Pcr  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000167228 | Local  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000167228 | Special Tax  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000167228 | Education  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000167228 | Lease  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000167228 | Transportation  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000167228 | Housing  
Holdings [Line Items]  
Percent of Net Asset Value 20.10%
C000219379 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000219379 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000219379 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000219379 | Idr & Pcr  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000219379 | Local  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000219379 | Special Tax  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000219379 | Education  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000219379 | Lease  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000219379 | Transportation  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000219379 | Housing  
Holdings [Line Items]  
Percent of Net Asset Value 20.10%
C000003855 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000003855 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000003855 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000003855 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000003855 | Communications  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000003855 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 94.40%
C000167226 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000167226 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000167226 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000167226 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000167226 | Communications  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000167226 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 94.40%
C000219377 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000219377 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000219377 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000219377 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000219377 | Communications  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000219377 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 94.40%
C000240591 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000240591 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 93.50%
C000240591 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000240591 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000240590 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000240590 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 93.50%
C000240590 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000240590 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000240589 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000240589 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 93.50%
C000240589 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000240589 | Money Market Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%