v3.26.1
Shareholder Report, Holdings (Details)
Jun. 30, 2026
C000002785 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 47.50%
C000002785 [Member] | DBS Group Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000002785 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000002785 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.10%
C000002785 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000002785 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000002785 [Member] | NAURA Technology Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000002785 [Member] | MediaTek Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000002785 [Member] | Delta Electronics Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000002785 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000002785 [Member] | SK Square Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000002785 [Member] | Other Countries [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000002785 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.10%
C000002785 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000002785 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 54.60%
C000002785 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000002785 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.60%
C000002785 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000002785 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000002785 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000002785 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000002785 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000002785 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000002785 [Member] | THAILAND  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000002785 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000002785 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000002785 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000002785 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 26.20%
C000002785 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 28.50%
C000002785 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000093221 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 47.50%
C000093221 [Member] | DBS Group Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093221 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000093221 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.10%
C000093221 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000093221 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000093221 [Member] | NAURA Technology Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000093221 [Member] | MediaTek Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000093221 [Member] | Delta Electronics Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000093221 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000093221 [Member] | SK Square Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000093221 [Member] | Other Countries [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000093221 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.10%
C000093221 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000093221 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 54.60%
C000093221 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000093221 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.60%
C000093221 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000093221 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000093221 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000093221 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000093221 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000093221 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000093221 [Member] | THAILAND  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000093221 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000093221 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000093221 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000093221 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 26.20%
C000093221 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 28.50%
C000093221 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000093224 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 42.80%
C000093224 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000093224 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000093224 [Member] | Jiangsu Zhongtian Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000093224 [Member] | Kingboard Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000093224 [Member] | China International Capital Corp Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000093224 [Member] | Ping An Insurance Group Co of China Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093224 [Member] | Meituan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000093224 [Member] | China Merchants Securities Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000093224 [Member] | China Life Insurance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000093224 [Member] | Montage Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000093224 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
C000093224 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
C000093224 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.80%
C000093224 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000093224 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 21.60%
C000093224 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000093224 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000093224 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000093224 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000093224 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000093224 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000002790 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 42.80%
C000002790 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000002790 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000002790 [Member] | Jiangsu Zhongtian Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000002790 [Member] | Kingboard Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000002790 [Member] | China International Capital Corp Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000002790 [Member] | Ping An Insurance Group Co of China Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000002790 [Member] | Meituan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000002790 [Member] | China Merchants Securities Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000002790 [Member] | China Life Insurance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000002790 [Member] | Montage Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000002790 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
C000002790 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
C000002790 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.80%
C000002790 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000002790 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 21.60%
C000002790 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000002790 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000002790 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000002790 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000002790 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000002790 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000002791 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 36.50%
C000002791 [Member] | Panasonic Holdings Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000002791 [Member] | Shin Etsu Chemical Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000002791 [Member] | Hitachi Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000002791 [Member] | Sony Group Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000002791 [Member] | Kioxia Holdings Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000002791 [Member] | Sumitomo Mitsui Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000002791 [Member] | Recruit Holdings Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000002791 [Member] | Advantest Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000002791 [Member] | Mitsubishi UFJ Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000002791 [Member] | Tokyo Electron Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000002791 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.30%
C000002791 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 21.00%
C000002791 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.30%
C000002791 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.90%
C000002791 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000002791 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000002791 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000002791 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000002791 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000002791 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000002791 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000002791 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
C000002791 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000093225 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 36.50%
C000093225 [Member] | Panasonic Holdings Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093225 [Member] | Shin Etsu Chemical Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093225 [Member] | Hitachi Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000093225 [Member] | Sony Group Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000093225 [Member] | Kioxia Holdings Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000093225 [Member] | Sumitomo Mitsui Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000093225 [Member] | Recruit Holdings Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000093225 [Member] | Advantest Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000093225 [Member] | Mitsubishi UFJ Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000093225 [Member] | Tokyo Electron Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000093225 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.30%
C000093225 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 21.00%
C000093225 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.30%
C000093225 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.90%
C000093225 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000093225 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000093225 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000093225 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000093225 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000093225 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000093225 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000093225 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
C000093225 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000093226 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 36.70%
C000093226 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000093226 [Member] | Samsung Electro Mechanics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000093226 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000093226 [Member] | United Microelectronics Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000093226 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000093226 [Member] | NAURA Technology Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000093226 [Member] | MTAR Technologies Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000093226 [Member] | Unimicron Technology Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000093226 [Member] | MediaTek Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000093226 [Member] | WNC Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000093226 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.70%
C000093226 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.70%
C000093226 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 62.30%
C000093226 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000093226 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000093226 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000093226 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000093226 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000093226 [Member] | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000093226 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000093226 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000093226 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 20.00%
C000093226 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
C000093226 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000002792 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 36.70%
C000002792 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000002792 [Member] | Samsung Electro Mechanics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000002792 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000002792 [Member] | United Microelectronics Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000002792 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000002792 [Member] | NAURA Technology Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000002792 [Member] | MTAR Technologies Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000002792 [Member] | Unimicron Technology Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000002792 [Member] | MediaTek Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000002792 [Member] | WNC Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000002792 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.70%
C000002792 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.70%
C000002792 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 62.30%
C000002792 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000002792 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000002792 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000002792 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000002792 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000002792 [Member] | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000002792 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000002792 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000002792 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 20.00%
C000002792 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
C000002792 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000002793 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 34.50%
C000002793 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000002793 [Member] | Samsung Electro Mechanics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000002793 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000002793 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000002793 [Member] | NAURA Technology Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000002793 [Member] | MTAR Technologies Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000002793 [Member] | Unimicron Technology Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000002793 [Member] | Kaori Heat Treatment Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000002793 [Member] | Advanced Micro Fabrication Equipment Inc China [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000002793 [Member] | Delta Electronics Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000002793 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.50%
C000002793 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
C000002793 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 56.60%
C000002793 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000002793 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000002793 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000002793 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000002793 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000002793 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000002793 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000002793 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000002793 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000002793 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 21.50%
C000002793 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 29.20%
C000002793 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000093227 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 34.50%
C000093227 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000093227 [Member] | Samsung Electro Mechanics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000093227 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000093227 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000093227 [Member] | NAURA Technology Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000093227 [Member] | MTAR Technologies Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000093227 [Member] | Unimicron Technology Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000093227 [Member] | Kaori Heat Treatment Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000093227 [Member] | Advanced Micro Fabrication Equipment Inc China [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000093227 [Member] | Delta Electronics Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000093227 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.50%
C000093227 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
C000093227 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 56.60%
C000093227 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000093227 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000093227 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000093227 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000093227 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000093227 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000093227 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000093227 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000093227 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000093227 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 21.50%
C000093227 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 29.20%
C000093227 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000093228 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 47.60%
C000093228 [Member] | HDFC Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000093228 [Member] | Eternal Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000093228 [Member] | ICICI Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000093228 [Member] | Reliance Industries Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000093228 [Member] | Neuland Laboratories Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000093228 [Member] | Bajaj Finance Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000093228 [Member] | Bharti Airtel Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000093228 [Member] | Shriram Finance Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000093228 [Member] | Axis Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000093228 [Member] | Kotak Mahindra Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000093228 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000093228 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000093228 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 21.40%
C000093228 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 39.50%
C000093228 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000093228 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000093228 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000093228 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000093228 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000093228 [Member] | Liabilities in Excess of Cash and Other Assets Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (4.40%)
C000093228 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 104.40%
C000093228 [Member] | Liabilities in Excess of Cash and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (4.40%)
C000002794 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 47.60%
C000002794 [Member] | HDFC Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000002794 [Member] | Eternal Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000002794 [Member] | ICICI Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000002794 [Member] | Reliance Industries Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000002794 [Member] | Neuland Laboratories Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000002794 [Member] | Bajaj Finance Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000002794 [Member] | Bharti Airtel Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000002794 [Member] | Shriram Finance Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000002794 [Member] | Axis Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000002794 [Member] | Kotak Mahindra Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000002794 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000002794 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000002794 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 21.40%
C000002794 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 39.50%
C000002794 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000002794 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000002794 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000002794 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000002794 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000002794 [Member] | Liabilities in Excess of Cash and Other Assets Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (4.40%)
C000002794 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 104.40%
C000002794 [Member] | Liabilities in Excess of Cash and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (4.40%)
C000038018 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 42.70%
C000038018 [Member] | DBS Group Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000038018 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000038018 [Member] | Mitsubishi UFJ Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000038018 [Member] | Tokyo Electron Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000038018 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000038018 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
C000038018 [Member] | Sumitomo Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000038018 [Member] | SK Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000038018 [Member] | ORIX Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000038018 [Member] | Hana Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000038018 [Member] | Other Countries [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000038018 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.50%
C000038018 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000038018 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 28.80%
C000038018 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000038018 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.80%
C000038018 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000038018 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000038018 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000038018 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000038018 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000038018 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000038018 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000038018 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000038018 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000038018 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 21.80%
C000038018 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000038018 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
C000038018 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000038018 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000038018 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000093229 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 42.70%
C000093229 [Member] | DBS Group Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000093229 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000093229 [Member] | Mitsubishi UFJ Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093229 [Member] | Tokyo Electron Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000093229 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000093229 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
C000093229 [Member] | Sumitomo Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000093229 [Member] | SK Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000093229 [Member] | ORIX Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000093229 [Member] | Hana Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000093229 [Member] | Other Countries [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000093229 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.50%
C000093229 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000093229 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 28.80%
C000093229 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000093229 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.80%
C000093229 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000093229 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000093229 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000093229 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000093229 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000093229 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000093229 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000093229 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000093229 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000093229 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 21.80%
C000093229 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000093229 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
C000093229 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000093229 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000093229 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000093230 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 31.60%
C000093230 [Member] | Bandhan Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000093230 [Member] | Eugene Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000093230 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000093230 [Member] | Hugel Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000093230 [Member] | Legend Biotech Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000093230 [Member] | Gold Circuit Electronics Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093230 [Member] | Cartrade Tech Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000093230 [Member] | Astor Transformator Enerji Turizm Insaat Ve Petrol Sanayi Ticaret AS [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000093230 [Member] | Radico Khaitan Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000093230 [Member] | HD Hyundai Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000093230 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000093230 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
C000093230 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 33.40%
C000093230 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000093230 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
C000093230 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000093230 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000093230 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000093230 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000093230 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000093230 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000093230 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000093230 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 23.70%
C000093230 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000093230 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 25.60%
C000093230 [Member] | CYPRUS  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000093230 [Member] | GREECE  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000093230 [Member] | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000093230 [Member] | VIET NAM  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000093230 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000093230 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000093230 [Member] | TÜRKIYE  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000093230 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000068052 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 31.60%
C000068052 [Member] | Bandhan Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000068052 [Member] | Eugene Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000068052 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000068052 [Member] | Hugel Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000068052 [Member] | Legend Biotech Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000068052 [Member] | Gold Circuit Electronics Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000068052 [Member] | Cartrade Tech Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000068052 [Member] | Astor Transformator Enerji Turizm Insaat Ve Petrol Sanayi Ticaret AS [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000068052 [Member] | Radico Khaitan Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000068052 [Member] | HD Hyundai Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000068052 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000068052 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
C000068052 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 33.40%
C000068052 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000068052 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
C000068052 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000068052 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000068052 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000068052 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000068052 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000068052 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000068052 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000068052 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 23.70%
C000068052 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000068052 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 25.60%
C000068052 [Member] | CYPRUS  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000068052 [Member] | GREECE  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000068052 [Member] | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000068052 [Member] | VIET NAM  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000068052 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000068052 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000068052 [Member] | TÜRKIYE  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000068052 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000101279 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 44.70%
C000101279 [Member] | Time Interconnect Technology Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000101279 [Member] | Hongfa Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000101279 [Member] | Wuxi NCE Power Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000101279 [Member] | ASMPT Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000101279 [Member] | Beijing Huafeng Test And Control Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000101279 [Member] | Yantai Jereh Oilfield Services Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000101279 [Member] | Kingboard Laminates Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000101279 [Member] | Acter Technology Integration Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000101279 [Member] | ACM Research Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000101279 [Member] | Jiangsu Boqian New Materials Stock Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000101279 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 74.80%
C000101279 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
C000101279 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 47.50%
C000101279 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000101279 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000101279 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000101279 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000101279 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000101279 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000101279 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000101279 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000101279 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000195803 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 44.70%
C000195803 [Member] | Time Interconnect Technology Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000195803 [Member] | Hongfa Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000195803 [Member] | Wuxi NCE Power Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000195803 [Member] | ASMPT Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000195803 [Member] | Beijing Huafeng Test And Control Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000195803 [Member] | Yantai Jereh Oilfield Services Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000195803 [Member] | Kingboard Laminates Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000195803 [Member] | Acter Technology Integration Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000195803 [Member] | ACM Research Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000195803 [Member] | Jiangsu Boqian New Materials Stock Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000195803 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 74.80%
C000195803 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.50%
C000195803 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 47.50%
C000195803 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000195803 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000195803 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000195803 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000195803 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000195803 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000195803 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000195803 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000195803 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000154926 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 50.60%
C000154926 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000154926 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000154926 [Member] | Bandhan Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000154926 [Member] | Eugene Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000154926 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000154926 [Member] | SK Square Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000154926 [Member] | Micron Technology Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000154926 [Member] | Marico Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000154926 [Member] | HD Hyundai Electric Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000154926 [Member] | Contemporary Amperex Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000154926 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000154926 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.20%
C000154926 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 39.70%
C000154926 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000154926 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
C000154926 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000154926 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000154926 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000154926 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000154926 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000154926 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000154926 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000154926 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 25.60%
C000154926 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
C000154926 [Member] | GREECE  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000154926 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000154926 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000154926 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000154926 [Member] | HUNGARY  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000154926 [Member] | ROMANIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000154926 [Member] | TÜRKIYE  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000154926 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000154925 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 50.60%
C000154925 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000154925 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000154925 [Member] | Bandhan Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000154925 [Member] | Eugene Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000154925 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000154925 [Member] | SK Square Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000154925 [Member] | Micron Technology Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000154925 [Member] | Marico Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000154925 [Member] | HD Hyundai Electric Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000154925 [Member] | Contemporary Amperex Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000154925 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000154925 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.20%
C000154925 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 39.70%
C000154925 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000154925 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
C000154925 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000154925 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000154925 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000154925 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000154925 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000154925 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000154925 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000154925 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 25.60%
C000154925 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 18.60%
C000154925 [Member] | GREECE  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000154925 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000154925 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000154925 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000154925 [Member] | HUNGARY  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000154925 [Member] | ROMANIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000154925 [Member] | TÜRKIYE  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000154925 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000219129 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 50.60%
C000219129 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000219129 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000219129 [Member] | Samsung Electro Mechanics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000219129 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000219129 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000219129 [Member] | MediaTek Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000219129 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000219129 [Member] | SK Square Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000219129 [Member] | Samsung Fire And Marine Insurance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000219129 [Member] | Itau Unibanco Holding SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000219129 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000219129 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000219129 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 44.20%
C000219129 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000219129 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.00%
C000219129 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000219129 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000219129 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000219129 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000219129 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000219129 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000219129 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000219129 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 34.90%
C000219129 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 25.60%
C000219129 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000219129 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000219129 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000219129 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000219129 [Member] | PERU  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000219129 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000219129 [Member] | CHILE  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000219129 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000219130 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 50.60%
C000219130 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000219130 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000219130 [Member] | Samsung Electro Mechanics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000219130 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000219130 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000219130 [Member] | MediaTek Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000219130 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000219130 [Member] | SK Square Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000219130 [Member] | Samsung Fire And Marine Insurance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000219130 [Member] | Itau Unibanco Holding SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000219130 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000219130 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000219130 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 44.20%
C000219130 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000219130 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.00%
C000219130 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000219130 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000219130 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000219130 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000219130 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000219130 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000219130 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000219130 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 34.90%
C000219130 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 25.60%
C000219130 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000219130 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000219130 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000219130 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000219130 [Member] | PERU  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000219130 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000219130 [Member] | CHILE  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000219130 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000236790 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 45.20% [1]
C000236790 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [1]
C000236790 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [1]
C000236790 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70% [1]
C000236790 [Member] | Samsung Electro Mechanics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [1]
C000236790 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50% [1]
C000236790 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.80% [1]
C000236790 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10% [1]
C000236790 [Member] | SK Square Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80% [1]
C000236790 [Member] | Itau Unibanco Holding SA [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [1]
C000236790 [Member] | Korea Investment Holdings Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10% [1]
C000236790 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000236790 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
C000236790 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 38.50%
C000236790 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000236790 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.60%
C000236790 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000236790 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000236790 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000236790 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000236790 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000236790 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000236790 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000236790 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 30.90%
C000236790 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 24.20%
C000236790 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000236790 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
C000236790 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000236790 [Member] | PERU  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000236790 [Member] | MEXICO  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000236790 [Member] | CHILE  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000236790 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000236791 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 35.00% [2]
C000236791 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.40% [2]
C000236791 [Member] | Samsung Electro Mechanics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30% [2]
C000236791 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80% [2]
C000236791 [Member] | United Microelectronics Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [2]
C000236791 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [2]
C000236791 [Member] | NAURA Technology Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [2]
C000236791 [Member] | MTAR Technologies Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [2]
C000236791 [Member] | Unimicron Technology Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [2]
C000236791 [Member] | WNC Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [2]
C000236791 [Member] | Advanced Micro Fabrication Equipment Inc China [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20% [2]
C000236791 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.90%
C000236791 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
C000236791 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 57.40%
C000236791 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000236791 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000236791 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000236791 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000236791 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000236791 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
C000236791 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000236791 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000236791 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000236791 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 20.80%
C000236791 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 32.90%
C000236791 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
C000236792 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 42.70% [3]
C000236792 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10% [3]
C000236792 [Member] | Alibaba Group Holding Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40% [3]
C000236792 [Member] | Jiangsu Zhongtian Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60% [3]
C000236792 [Member] | Kingboard Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70% [3]
C000236792 [Member] | China International Capital Corp Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10% [3]
C000236792 [Member] | Ping An Insurance Group Co of China Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70% [3]
C000236792 [Member] | Meituan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70% [3]
C000236792 [Member] | China Merchants Securities Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60% [3]
C000236792 [Member] | China Life Insurance Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [3]
C000236792 [Member] | Montage Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [3]
C000236792 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 98.10%
C000236792 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000236792 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
C000236792 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
C000236792 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 21.20%
C000236792 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000236792 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000236792 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.00%
C000236792 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000236792 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000236792 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000240350 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 44.60% [4]
C000240350 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80% [4]
C000240350 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30% [4]
C000240350 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.10% [4]
C000240350 [Member] | MediaTek Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [4]
C000240350 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00% [4]
C000240350 [Member] | SK Square Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40% [4]
C000240350 [Member] | Accton Technology Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00% [4]
C000240350 [Member] | Freeport McMoRan Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40% [4]
C000240350 [Member] | Hon Hai Precision Industry Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40% [4]
C000240350 [Member] | ASE Technology Holding Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00% [4]
C000240350 [Member] | Other Countries [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000240350 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000240350 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 44.90%
C000240350 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000240350 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.50%
C000240350 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000240350 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000240350 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000240350 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000240350 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000240350 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000240350 [Member] | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000240350 [Member] | THAILAND  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000240350 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000240350 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000240350 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 30.70%
C000240350 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 28.30%
C000240350 [Member] | VIET NAM  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000240350 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000240350 [Member] | SOUTH AFRICA  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000240350 [Member] | PERU  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000240350 [Member] | PHILIPPINES  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000240350 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000241856 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 52.90% [5]
C000241856 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.20% [5]
C000241856 [Member] | Samsung Electro Mechanics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70% [5]
C000241856 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70% [5]
C000241856 [Member] | SK Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60% [5]
C000241856 [Member] | Hana Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60% [5]
C000241856 [Member] | SK Square Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50% [5]
C000241856 [Member] | PSK Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10% [5]
C000241856 [Member] | KB Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [5]
C000241856 [Member] | Samsung C And T Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [5]
C000241856 [Member] | Samsung Electronics Co Ltd Pfd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70% [5]
C000241856 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 26.10%
C000241856 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 46.00%
C000241856 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000241856 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000241856 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000241856 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000241856 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000241856 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000241856 [Member] | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000241856 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 94.90%
C000241856 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000245019 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 53.20% [6]
C000245019 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.70% [6]
C000245019 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.60% [6]
C000245019 [Member] | Bandhan Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90% [6]
C000245019 [Member] | Eugene Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50% [6]
C000245019 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90% [6]
C000245019 [Member] | SK Square Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.00% [6]
C000245019 [Member] | Micron Technology Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.90% [6]
C000245019 [Member] | Marico Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [6]
C000245019 [Member] | HD Hyundai Electric Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [6]
C000245019 [Member] | Lam Research Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [6]
C000245019 [Member] | Other [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000245019 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.80%
C000245019 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 42.90%
C000245019 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000245019 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
C000245019 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000245019 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000245019 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000245019 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000245019 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000245019 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000245019 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 16.90%
C000245019 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 25.30%
C000245019 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 20.50%
C000245019 [Member] | GREECE  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000245019 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000245019 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000245019 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
C000245019 [Member] | ROMANIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000245019 [Member] | POLAND  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000245019 [Member] | TÜRKIYE  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000245019 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000245020 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 47.40% [7]
C000245020 [Member] | DBS Group Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [7]
C000245020 [Member] | Tencent Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20% [7]
C000245020 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.20% [7]
C000245020 [Member] | SK Hynix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60% [7]
C000245020 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.00% [7]
C000245020 [Member] | NAURA Technology Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60% [7]
C000245020 [Member] | Delta Electronics Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [7]
C000245020 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [7]
C000245020 [Member] | SK Square Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90% [7]
C000245020 [Member] | China Construction Bank Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20% [7]
C000245020 [Member] | Other Countries [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000245020 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
C000245020 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000245020 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 54.10%
C000245020 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000245020 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.30%
C000245020 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000245020 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000245020 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000245020 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000245020 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000245020 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000245020 [Member] | THAILAND  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000245020 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000245020 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000245020 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000245020 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 26.10%
C000245020 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
C000245020 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000245021 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 47.50% [8]
C000245021 [Member] | HDFC Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20% [8]
C000245021 [Member] | Eternal Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.60% [8]
C000245021 [Member] | ICICI Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70% [8]
C000245021 [Member] | Reliance Industries Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00% [8]
C000245021 [Member] | Neuland Laboratories Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90% [8]
C000245021 [Member] | Bajaj Finance Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70% [8]
C000245021 [Member] | Bharti Airtel Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [8]
C000245021 [Member] | Shriram Finance Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60% [8]
C000245021 [Member] | Axis Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10% [8]
C000245021 [Member] | Thanga Mayil Jewellery Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.50% [8]
C000245021 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000245021 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000245021 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 26.20%
C000245021 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 35.40%
C000245021 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000245021 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000245021 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000245021 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000245021 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000245021 [Member] | Liabilities in Excess of Cash and Other Assets Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (1.60%)
C000245021 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 101.60%
C000245021 [Member] | Liabilities in Excess of Cash and Other Assets [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (1.60%)
C000245022 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 35.90% [9]
C000245022 [Member] | Panasonic Holdings Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [9]
C000245022 [Member] | Shin Etsu Chemical Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [9]
C000245022 [Member] | Hitachi Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00% [9]
C000245022 [Member] | Sony Group Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00% [9]
C000245022 [Member] | Kioxia Holdings Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80% [9]
C000245022 [Member] | Sumitomo Mitsui Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30% [9]
C000245022 [Member] | Recruit Holdings Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30% [9]
C000245022 [Member] | Advantest Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80% [9]
C000245022 [Member] | Mitsubishi UFJ Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70% [9]
C000245022 [Member] | Tokyo Electron Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.20% [9]
C000245022 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.00%
C000245022 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.50%
C000245022 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.80%
C000245022 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.90%
C000245022 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000245022 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000245022 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000245022 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000245022 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000245022 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000245022 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000245022 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 98.10%
C000245022 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000245023 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 43.80% [10]
C000245023 [Member] | DBS Group Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20% [10]
C000245023 [Member] | Mitsubishi UFJ Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70% [10]
C000245023 [Member] | Tokyo Electron Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60% [10]
C000245023 [Member] | Samsung Electronics Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.10% [10]
C000245023 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.70% [10]
C000245023 [Member] | Sumitomo Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10% [10]
C000245023 [Member] | SK Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20% [10]
C000245023 [Member] | Hana Financial Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90% [10]
C000245023 [Member] | Rio Tinto Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10% [10]
C000245023 [Member] | Singapore Telecommunications Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20% [10]
C000245023 [Member] | Other Countries [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000245023 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.10%
C000245023 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
C000245023 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 28.60%
C000245023 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000245023 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 28.20%
C000245023 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000245023 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000245023 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000245023 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000245023 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000245023 [Member] | Unclassified Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000245023 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000245023 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
C000245023 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000245023 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
C000245023 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
C000245023 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000245023 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000247849 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.60% [11]
C000247849 [Member] | Bandhan Bank Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10% [11]
C000247849 [Member] | Eugene Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00% [11]
C000247849 [Member] | Elite Material Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70% [11]
C000247849 [Member] | Hugel Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10% [11]
C000247849 [Member] | Legend Biotech Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20% [11]
C000247849 [Member] | Gold Circuit Electronics Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80% [11]
C000247849 [Member] | Cartrade Tech Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70% [11]
C000247849 [Member] | Astor Transformator Enerji Turizm Insaat Ve Petrol Sanayi Ticaret AS [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40% [11]
C000247849 [Member] | Radico Khaitan Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [11]
C000247849 [Member] | ASPEED Technology Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30% [11]
C000247849 [Member] | Other Countries [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000247849 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
C000247849 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.70%
C000247849 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000247849 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.30%
C000247849 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000247849 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000247849 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000247849 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000247849 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000247849 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000247849 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000247849 [Member] | INDIA  
Holdings [Line Items]  
Percent of Net Asset Value 21.60%
C000247849 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000247849 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
C000247849 [Member] | GREECE  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000247849 [Member] | HONG KONG  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000247849 [Member] | VIET NAM  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000247849 [Member] | BRAZIL  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000247849 [Member] | CHINA  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000247849 [Member] | CHILE  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000247849 [Member] | TÜRKIYE  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000247849 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000247850 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 46.20% [12]
C000247850 [Member] | Advanced Micro Fabrication Equipment Inc China [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.10% [12]
C000247850 [Member] | ASMPT Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00% [12]
C000247850 [Member] | Beijing Huafeng Test And Control Technology Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20% [12]
C000247850 [Member] | Yantai Jereh Oilfield Services Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00% [12]
C000247850 [Member] | Kingboard Laminates Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.80% [12]
C000247850 [Member] | Acter Technology Integration Group Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30% [12]
C000247850 [Member] | Jiangsu Boqian New Materials Stock Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00% [12]
C000247850 [Member] | Wasion Holdings Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00% [12]
C000247850 [Member] | Neway Valve Suzhou Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10% [12]
C000247850 [Member] | Shenzhen Megmeet Electrical Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70% [12]
C000247850 [Member] | China Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 80.30%
C000247850 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000247850 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 49.90%
C000247850 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000247850 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000247850 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000247850 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000247850 [Member] | Cash and Other Assets Less Liabilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000247850 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000247850 [Member] | TAIWAN  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000247850 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000247850 [Member] | Cash and Other Assets Less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
[1] Excludes short-term securities, if any.
[2] Excludes short-term securities, if any.
[3] Excludes short-term securities, if any.
[4] Excludes short-term securities, if any.
[5] Excludes short-term securities, if any.
[6] Excludes short-term securities, if any.
[7] Excludes short-term securities, if any.
[8] Excludes short-term securities, if any.
[9] Excludes short-term securities, if any.
[10] Excludes short-term securities, if any.
[11] Excludes short-term securities, if any.
[12] Excludes short-term securities, if any.