Shareholder Report, Holdings (Details)
|
Apr. 30, 2025 |
| C000004836 | Microsoft Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.80%
|
| C000004836 | Apple, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.60%
|
| C000004836 | NVIDIA Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.80%
|
| C000004836 | Amazon.com, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.60%
|
| C000004836 | Alphabet, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.40%
|
| C000004836 | Visa, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.00%
|
| C000004836 | Meta Platforms, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.80%
|
| C000004836 | JP Morgan Chase & Co. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.30%
|
| C000004836 | UnitedHealth Group, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.80%
|
| C000004836 | Costco Wholesale Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.80%
|
| C000004836 | Other Assets and Liabilities (Net) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.60%
|
| C000004836 | Information Technology |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
26.90%
|
| C000004836 | Financial Services |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.40%
|
| C000004836 | Health Care |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.40%
|
| C000004836 | Industrials |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.90%
|
| C000004836 | Communication Services |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.20%
|
| C000004836 | Consumer Discretionary |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.90%
|
| C000004836 | Consumer Staples |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.50%
|
| C000004836 | Banks |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.00%
|
| C000004836 | Other Sectors |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.20%
|
| C000206042 | San Francisco City & County Airport Current Refunding Revenue Bonds, Series C |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.30%
|
| C000206042 | State of California Current Refunding GO |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.90%
|
| C000206042 | California Infrastructure & Economic Development Bank Current Refunding Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.30%
|
| C000206042 | City of San Francisco Public Utilities Commission Water Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000206042 | State of California Water Utility Improvements GO |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.50%
|
| C000206042 | Los Angeles Community College District University & College Improvements GO, Series C |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.20%
|
| C000206042 | Los Angeles Department of Water & Power Water System Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.50%
|
| C000206042 | California Educational Facilities Authority University & College Improvements Revenue Bonds, Series V-3 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.30%
|
| C000206042 | University of California Current Refunding Revenue Bonds, Series BV |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.20%
|
| C000206042 | County of Santa Clara GO, Series C |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.00%
|
| C000206042 | Other Assets and Liabilities (Net) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.70%
|
| C000206042 | California |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
95.30%
|
| C000221944 | U.S. Treasury Bonds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
25.50%
|
| C000221944 | iShares JP Morgan USD Emerging Markets Bond ETF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.10%
|
| C000221944 | U.S. Treasury Notes |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.50%
|
| C000221944 | iShares MBS ETF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.70%
|
| C000221944 | Ajax Mortgage Loan Trust |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.10%
|
| C000221944 | SPDR Bloomberg Convertible Securities ETF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.80%
|
| C000221944 | Barclays Mortgage Loan Trust |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.40%
|
| C000221944 | Countrywide Alternative Loan Trust |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| C000221944 | Invesco Preferred ETF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| C000221944 | Velocity Commercial Capital Loan Trust |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000221944 | Other Assets and Liabilities (Net) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.20%
|
| C000221944 | U.S. Government Agencies and Securities |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
32.00%
|
| C000221944 | Non-Agency Mortgage-Backed Securities |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
22.50%
|
| C000221944 | Exchange-Traded Funds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
19.20%
|
| C000221944 | Asset-Backed Securities |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
15.30%
|
| C000221944 | Corporate Bonds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.40%
|
| C000221944 | Preferred Stocks |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000221944 | U.S. Government Sponsored Agency Mortgage-Backed Securities |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000004833 | JP Morgan Chase & Co. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.90%
|
| C000004833 | U.S. Treasury Bonds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.80%
|
| C000004833 | U.S. Treasury Notes |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
57.30%
|
| C000004833 | U.S. Treasury Inflation Indexed Notes |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.50%
|
| C000004833 | U.S. Treasury Bills |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.80%
|
| C000004833 | Bank of America Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.70%
|
| C000004833 | Capital One Financial Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.50%
|
| C000004833 | CarMax Auto Owner Trust |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.50%
|
| C000004833 | Fiserv, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.50%
|
| C000004833 | PayPal Holdings, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000004833 | Other Assets and Liabilities (Net) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.60%
|
| C000004833 | U.S. Government Agencies and Securities |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
63.80%
|
| C000004833 | Asset-Backed Securities |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.60%
|
| C000004833 | Corporate Bonds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
27.00%
|
| C000004835 | Microsoft Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.30%
|
| C000004835 | Apple, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.60%
|
| C000004835 | NVIDIA Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.10%
|
| C000004835 | Amazon.com, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.80%
|
| C000004835 | Alphabet, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.90%
|
| C000004835 | Meta Platforms, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| C000004835 | JP Morgan Chase & Co. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.10%
|
| C000004835 | Costco Wholesale Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.20%
|
| C000004835 | Broadcom, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.90%
|
| C000004835 | Berkshire Hathaway, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.20%
|
| C000004835 | Other Assets and Liabilities (Net) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.70%
|
| C000004835 | Information Technology |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
23.00%
|
| C000004835 | Financial Services |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.80%
|
| C000004835 | Health Care |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.80%
|
| C000004835 | Industrials |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.90%
|
| C000004835 | Communication Services |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.10%
|
| C000004835 | Consumer Discretionary |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.80%
|
| C000004835 | Consumer Staples |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000004835 | Banks |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.10%
|
| C000004835 | Other Sectors |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.80%
|
| C000004838 | State of Washington School Improvements GO, Series A-2 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.00%
|
| C000004838 | New York City Transitional Finance Authority Future Tax Secured Revenue Bonds, Sub-Series D-2 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.20%
|
| C000004838 | State of California Current Refunding GO, (AGM) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.80%
|
| C000004838 | State of Maryland School Improvements GO, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.50%
|
| C000004838 | Board of Regents of the University of Texas System Refunding Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.40%
|
| C000004838 | City of New York Public Improvements GO, Sub-Series E-2 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.40%
|
| C000004838 | Texas State University System University & College Improvements Revenue Bonds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000004838 | Cypress-Fairbanks Independent School District Current Refunding GO, (PSF-GTD) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000004838 | New Jersey Educational Facilities Authority University & College Improvements Revenue Bonds, Series A1 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000004838 | Texas Tech University System University & College Improvements Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000004838 | Other Assets and Liabilities (Net) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.00%
|
| C000004838 | California |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.10%
|
| C000004838 | Texas |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
19.10%
|
| C000004838 | New York |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.30%
|
| C000004838 | Washington |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.80%
|
| C000004838 | New Jersey |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.40%
|
| C000004838 | Maryland |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.40%
|
| C000004838 | Massachusetts |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.30%
|
| C000004838 | Connecticut |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.80%
|
| C000004838 | Other States |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
37.80%
|
| C000206043 | County of Westchester Recreation Facilities Improvements GO, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.10%
|
| C000206043 | Utility Debt Securitization Authority Refunding Revenue Bonds, Series TE |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.70%
|
| C000206043 | New York State Dormitory Authority University & College Improvements Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.40%
|
| C000206043 | New York State Environmental Facilities Corp. Water Utility Improvements Revenue Bonds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.40%
|
| C000206043 | New York City Transitional Finance Authority Future Tax Secured Current Refunding Revenue Bonds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.40%
|
| C000206043 | New York City Transitional Finance Authority Public Improvements Revenue Bonds, Series G-1 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.00%
|
| C000206043 | Long Island Power Authority Current Refunding Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.00%
|
| C000206043 | New York Power Authority Electric Light & Power Improvements Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.60%
|
| C000206043 | Nassau County Interim Finance Authority Cash Flow Management Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.20%
|
| C000206043 | City of New York Current Refunding GO, Series F |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.10%
|
| C000206043 | Other Assets and Liabilities (Net) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.70%
|
| C000206043 | New York |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
92.30%
|
| C000248048 | U.S. Treasury Notes |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
53.40%
|
| C000248048 | U.S. Treasury Bills |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.50%
|
| C000248048 | PayPal Holdings, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.10%
|
| C000248048 | Duke Energy Progress LLC |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.10%
|
| C000248048 | Advanced Micro Devices, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.10%
|
| C000248048 | Microchip Technology, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.10%
|
| C000248048 | Kubota Credit Owner Trust |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.10%
|
| C000248048 | Uber Technologies, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.10%
|
| C000248048 | AerCap Ireland Capital DAC/AerCap Global Aviation Trust |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.00%
|
| C000248048 | Sumitomo Mitsui Financial Group, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.00%
|
| C000248048 | Other Assets and Liabilities (Net) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.60%
|
| C000248048 | U.S. Government Agencies and Securities |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
55.90%
|
| C000248048 | Asset-Backed Securities |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.30%
|
| C000248048 | Corporate Bonds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
34.20%
|
| C000004834 | Utilities Select Sector SPDR Fund |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.90%
|
| C000004834 | VanEck Junior Gold Miners ETF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.20%
|
| C000004834 | SPDR S&P Biotech ETF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.80%
|
| C000004834 | BJ's Wholesale Club Holdings, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.80%
|
| C000004834 | Dollarama, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.70%
|
| C000004834 | MSA Safety, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.60%
|
| C000004834 | US Foods Holding Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.60%
|
| C000004834 | Nasdaq, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.60%
|
| C000004834 | STERIS Plc |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.60%
|
| C000004834 | Tradeweb Markets, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.60%
|
| C000004834 | Other Assets and Liabilities (Net) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.80%
|
| C000004834 | Other Countries |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
21.10%
|
| C000004834 | United States |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
41.40%
|
| C000004834 | Japan |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.90%
|
| C000004834 | China |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000004834 | United Kingdom |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.90%
|
| C000004834 | Australia |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.60%
|
| C000004834 | France |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.30%
|
| C000004834 | Italy |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.00%
|
| C000257451 | Microsoft Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.00%
|
| C000257451 | Apple, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.30%
|
| C000257451 | NVIDIA Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.30%
|
| C000257451 | Amazon.com, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.60%
|
| C000257451 | Alphabet, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.50%
|
| C000257451 | Visa, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.40%
|
| C000257451 | Meta Platforms, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.80%
|
| C000257451 | JP Morgan Chase & Co. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.80%
|
| C000257451 | Costco Wholesale Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.20%
|
| C000257451 | Broadcom, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000257451 | Other Assets and Liabilities (Net) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.70%
|
| C000257451 | Information Technology |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
22.00%
|
| C000257451 | Financial Services |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.40%
|
| C000257451 | Health Care |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.30%
|
| C000257451 | Industrials |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.30%
|
| C000257451 | Communication Services |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.60%
|
| C000257451 | Consumer Discretionary |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.70%
|
| C000257451 | Consumer Staples |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.90%
|
| C000257451 | Banks |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.10%
|
| C000257451 | Other Sectors |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.00%
|