Shareholder Report, Holdings (Details)
|
Apr. 30, 2026 |
| C000004836 | NVIDIA Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.00%
|
| C000004836 | Alphabet, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.70%
|
| C000004836 | Apple, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.50%
|
| C000004836 | Microsoft Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.20%
|
| C000004836 | Amazon.com, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.80%
|
| C000004836 | Broadcom, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.40%
|
| C000004836 | Meta Platforms, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.20%
|
| C000004836 | iShares MSCI EAFE ETF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.20%
|
| C000004836 | Visa, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.00%
|
| C000004836 | JP Morgan Chase & Co. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.80%
|
| C000004836 | Information Technology |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
28.50%
|
| C000004836 | Industrials |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
14.60%
|
| C000004836 | Communication Services |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
11.10%
|
| C000004836 | Health Care |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.20%
|
| C000004836 | Financial Services |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.20%
|
| C000004836 | Consumer Discretionary |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.40%
|
| C000004836 | Consumer Staples |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.70%
|
| C000004836 | Banks |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.40%
|
| C000004836 | Other Sectors |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.70%
|
| C000004835 | NVIDIA Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.40%
|
| C000004835 | Alphabet, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.50%
|
| C000004835 | Apple, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.20%
|
| C000004835 | Microsoft Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.40%
|
| C000004835 | Amazon.com, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.40%
|
| C000004835 | Broadcom, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.90%
|
| C000004835 | Meta Platforms, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.60%
|
| C000004835 | JP Morgan Chase & Co. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| C000004835 | Taiwan Semiconductor Manufacturing Co. Ltd. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.60%
|
| C000004835 | Chevron Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000004835 | Information Technology |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
27.80%
|
| C000004835 | Industrials |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.30%
|
| C000004835 | Communication Services |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.00%
|
| C000004835 | Health Care |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.50%
|
| C000004835 | Financial Services |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.50%
|
| C000004835 | Consumer Discretionary |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.00%
|
| C000004835 | Consumer Staples |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.00%
|
| C000004835 | Banks |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.20%
|
| C000004835 | Other Sectors |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
11.40%
|
| C000004834 | VanEck Junior Gold Miners ETF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.30%
|
| C000004834 | State Street SPDR S&P Biotech ETF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.20%
|
| C000004834 | Keysight Technologies, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.70%
|
| C000004834 | Clean Harbors, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.60%
|
| C000004834 | US Foods Holding Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.50%
|
| C000004834 | Saia, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.50%
|
| C000004834 | STERIS Plc |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.50%
|
| C000004834 | Nasdaq, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000004834 | API Group Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000004834 | UL Solutions, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000004834 | Other Countries |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
22.60%
|
| C000004834 | Other Assets and Liabilities (Net) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.10%
|
| C000004834 | United States |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
39.50%
|
| C000004834 | Japan |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
11.70%
|
| C000004834 | China |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.60%
|
| C000004834 | United Kingdom |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.10%
|
| C000004834 | Australia |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.80%
|
| C000004834 | South Korea |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.50%
|
| C000004834 | Switzerland |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.10%
|
| C000004834 | France |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.00%
|
| C000257451 | NVIDIA Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.60%
|
| C000257451 | Alphabet, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.70%
|
| C000257451 | Apple, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.50%
|
| C000257451 | Microsoft Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.00%
|
| C000257451 | Amazon.com, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.00%
|
| C000257451 | Broadcom, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.50%
|
| C000257451 | Meta Platforms, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.50%
|
| C000257451 | JP Morgan Chase & Co. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.40%
|
| C000257451 | Taiwan Semiconductor Manufacturing Co. Ltd. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.40%
|
| C000257451 | ASML Holding NV |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.10%
|
| C000257451 | Information Technology |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
25.80%
|
| C000257451 | Industrials |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
14.20%
|
| C000257451 | Communication Services |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.20%
|
| C000257451 | Health Care |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|
| C000257451 | Financial Services |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.10%
|
| C000257451 | Consumer Discretionary |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.30%
|
| C000257451 | Consumer Staples |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.50%
|
| C000257451 | Banks |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.70%
|
| C000257451 | Other Sectors |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
11.00%
|
| C000221944 | U.S. Treasury Bonds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
23.50%
|
| C000221944 | iShares J.P. Morgan USD Emerging Markets Bond ETF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.20%
|
| C000221944 | Barclays Mortgage Loan Trust |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.40%
|
| C000221944 | iShares MBS ETF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.60%
|
| C000221944 | U.S. Treasury Notes |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.30%
|
| C000221944 | State Street SPDR Bloomberg Convertible Securities ETF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.80%
|
| C000221944 | Ajax Mortgage Loan Trust |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.40%
|
| C000221944 | Invesco Preferred ETF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.50%
|
| C000221944 | Countrywide Alternative Loan Trust |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.50%
|
| C000221944 | Velocity Commercial Capital Loan Trust |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000221944 | Other0BNY-00202DAA5 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.10%
|
| C000221944 | 0BNY-912810RH3 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
28.80%
|
| C000221944 | 0BNY-009723AC1 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
24.90%
|
| C000221944 | 0BNY-464288281 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
20.90%
|
| C000221944 | 0BNY-14732FAA0 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
12.10%
|
| C000221944 | 0BNY-89832QAD1 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.80%
|
| C000221944 | 0BNY-35563PFX2 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000221944 | 0BNY-94988U151 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.20%
|
| C000004833 | Alphabet, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.50%
|
| C000004833 | JP Morgan Chase & Co. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.60%
|
| C000004833 | U.S. Treasury Notes |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
62.80%
|
| C000004833 | U.S. Treasury Inflation Indexed Bonds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.00%
|
| C000004833 | Bank of America Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.60%
|
| C000004833 | HCA, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.50%
|
| C000004833 | Capital One Financial Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.50%
|
| C000004833 | US Bancorp |
|
| 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 | L3Harris Technologies, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.40%
|
| C000004833 | Other0BNY-96949LAD7 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000004833 | 0BNY-91282CMU2 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
66.80%
|
| C000004833 | 0BNY-05523RAJ6 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
27.80%
|
| C000004833 | 0BNY-75889JAN6 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.10%
|
| C000248048 | JP Morgan Chase & Co. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.20%
|
| C000248048 | U.S. Treasury Notes |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
52.20%
|
| C000248048 | HCA, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.00%
|
| C000248048 | U.S. Treasury Bills |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.10%
|
| C000248048 | Hyundai Capital America |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.90%
|
| C000248048 | Morgan Stanley Private Bank NA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.90%
|
| C000248048 | Roper Technologies, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.90%
|
| C000248048 | Amphenol Corp. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.90%
|
| C000248048 | Waste Management, Inc. |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.90%
|
| C000248048 | AerCap Ireland Capital DAC/AerCap Global Aviation Trust |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
0.90%
|
| C000248048 | Other0BNY-592179KR5 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.20%
|
| C000248048 | 0BNY-91282CJW2 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
58.30%
|
| C000248048 | 0BNY-126650EB2 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
36.70%
|
| C000248048 | 0BNY-92348KDR1 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.80%
|
| C000004838 | State of Washington School Improvements GO, Series A-2 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.50%
|
| C000004838 | Permanent University Fund - University of Texas System Current Refunding Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.30%
|
| C000004838 | New York City Transitional Finance Authority Future Tax Secured Revenue Bonds, Sub-Series D-2 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.00%
|
| C000004838 | Board of Regents of the University of Texas System Refunding Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| C000004838 | Ohio Water Development Authority Water Utility Improvements Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.60%
|
| C000004838 | Ohio Water Development Authority Water Pollution Control Loan Fund Sewer Improvements Revenue Bonds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.40%
|
| C000004838 | State of Connecticut Public Improvements GO, Series C |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.40%
|
| C000004838 | New Jersey Educational Facilities Authority University & College Improvements Revenue Bonds, Series A1 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000004838 | Arizona Department of Transportation State Highway Improvements Revenue Bonds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.30%
|
| C000004838 | New Jersey Educational Facilities Authority Current Refunding Revenue Bonds, Series B |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.20%
|
| C000004838 | Other Assets and Liabilities (Net) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.10%
|
| C000004838 | Texas |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
26.60%
|
| C000004838 | New York |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.10%
|
| C000004838 | New Jersey |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.80%
|
| C000004838 | Washington |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| C000004838 | Ohio |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.70%
|
| C000004838 | Connecticut |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.90%
|
| C000004838 | Virginia |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.60%
|
| C000004838 | Massachusetts |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.40%
|
| C000004838 | Other States |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
33.80%
|
| C000206042 | State of California Current Refunding GO, (AGM) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.60%
|
| C000206042 | California Health Facilities Financing Authority Health Care Facilities Revenue Bonds, Series 3 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.70%
|
| C000206042 | University of California Current Refunding Revenue Bonds, Series BV |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.40%
|
| C000206042 | San Francisco City & County Airport Current Refunding Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.10%
|
| C000206042 | University of California University & College Improvements Revenue Bonds, Series CD |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.70%
|
| C000206042 | California Infrastructure & Economic Development Bank Current Refunding Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.40%
|
| C000206042 | San Francisco City & County Airport Comm-San Francisco International Airport & Marina Improvements Revenue Bonds, Series D |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.30%
|
| C000206042 | State of California Water Utility Improvements GO |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.90%
|
| C000206042 | Los Angeles Department of Water & Power Water System Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.00%
|
| C000206042 | California Educational Facilities Authority University & College Improvements Revenue Bonds, Series V-3 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.90%
|
| C000206042 | Other Assets and Liabilities (Net) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.00%
|
| C000206042 | California |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
96.00%
|
| C000206043 | County of Westchester NY Recreation Facilities Improvements GO, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.80%
|
| C000206043 | New York City Transitional Finance Authority Future Tax Secured Current Refunding Revenue Bonds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.20%
|
| C000206043 | New York City Transitional Finance Authority Future Tax Secured Public Improvements Revenue Bonds, Series C |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.90%
|
| C000206043 | Utility Debt Securitization Authority Refunding Revenue Bonds, Series TE |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.90%
|
| C000206043 | New York State Dormitory Authority University & College Improvements Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.70%
|
| C000206043 | City of New York Current Refunding GO, Series B-2 |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.30%
|
| C000206043 | New York State Environmental Facilities Corp. Water Utility Improvements Revenue Bonds |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.20%
|
| C000206043 | Long Island Power Authority Current Refunding Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.80%
|
| C000206043 | City of New York Public Improvements GO, Series D |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.60%
|
| C000206043 | New York Power Authority Electric Light & Power Improvements Revenue Bonds, Series A |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.40%
|
| C000206043 | Other Assets and Liabilities (Net) |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.40%
|
| C000206043 | New York |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
94.60%
|