v3.25.2
Shareholder Report, Holdings (Details)
Jun. 30, 2025
C000253738 | 26377  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000253738 | 25909  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000253738 | 25903  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000253738 | 25636  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000253738 | 25707  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000253738 | 26504  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000253738 | 24559  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000253738 | 25607  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000253738 | 25936  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000253738 | 25477  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000253738 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000253738 | Government  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000253738 | Collateralized Loan Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 95.30%
C000066393 | Naspers Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000066393 | Attijariwafa Bank  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000066393 | Banque Centrale Populaire  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000066393 | Airtel Africa PLC  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000066393 | Guaranty Trust Holding Co. PLC  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000066393 | Barrick Mining Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000066393 | Anglo American PLC  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000066393 | Ivanhoe Mines Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000066393 | Safaricom PLC  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000066393 | Paladin Energy Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000066393 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.00% [1]
C000066393 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000066393 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000066393 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000066393 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000066393 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000066393 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000066393 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 29.70%
C000066393 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 34.10%
C000051120 | Deere & Co.  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000051120 | Zoetis, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000051120 | Corteva, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000051120 | Bayer AG  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000051120 | Archer-Daniels-Midland Co.  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000051120 | Nutrien Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000051120 | Tyson Foods, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000051120 | CF Industries Holdings, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000051120 | Kubota Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000051120 | Mosaic Co.  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000051120 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.00% [2]
C000051120 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
C000051120 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 36.20%
C000051120 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 28.20%
C000051120 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
C000102898 | United States Treasury Bills  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
C000102898 | Ares Capital Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 17.70%
C000102898 | Blue Owl Capital Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000102898 | Blackstone Secured Lending Fund  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000102898 | Main Street Capital Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000102898 | Hercules Capital, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000102898 | FS KKR Capital Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000102898 | Golub Capital BDC, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000102898 | Sixth Street Specialty Lending, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000102898 | Morgan Stanley Direct Lending Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000102898 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000102898 | Government  
Holdings [Line Items]  
Percent of Net Asset Value 19.10%
C000102898 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 78.60%
C000076451 | Modec, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000076451 | Cyrela Brazil Realty SA Empreendimentos e Participacoes  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000076451 | Alupar Investimento SA  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000076451 | Inter & Co., Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000076451 | Brava Energia  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000076451 | Azzas 2154 SA  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000076451 | ERO Copper Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000076451 | Santos Brasil Participacoes SA  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000076451 | Marfrig Global Foods SA  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000076451 | Marcopolo SA  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000076451 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.00% [3]
C000076451 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000076451 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000076451 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000076451 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000076451 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 27.90%
C000076451 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000076451 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000076451 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000076451 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000076451 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000076451 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000146000 | 22499  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000146000 | 24378  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000146000 | 22260  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000146000 | 23123  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000146000 | 26473  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000146000 | 22737  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000146000 | 23876  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000146000 | 24156  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000146000 | 23144  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000146000 | 18157  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000146000 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000146000 | Government  
Holdings [Line Items]  
Percent of Net Asset Value 21.70%
C000146000 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000146000 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 46.60%
C000146000 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
C000138289 | Contemporary Amperex Technology Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 19.20%
C000138289 | East Money Information Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000138289 | Shenzhen Inovance Technology Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000138289 | Zhongji Innolight Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000138289 | Shenzhen Mindray Bio-Medical Electronics Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000138289 | Eoptolink Technology, Inc. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000138289 | Sungrow Power Supply Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000138289 | Wens Foodstuff Group Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000138289 | Victory Giant Technology Huizhou Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000138289 | Eve Energy Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000138289 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000138289 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000138289 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 33.40%
C000138289 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000138289 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000138289 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000138289 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000138289 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000138289 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 30.50%
C000236336 | 26377  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000236336 | 25636  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000236336 | 25707  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000236336 | 26504  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000236336 | 26275  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000236336 | 26109  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000236336 | 24730  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000236336 | 25663  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000236336 | 25721  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000236336 | 25686  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000236336 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000236336 | Government  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000236336 | Collateralized Loan Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 96.30%
C000240390 | 25585  
Holdings [Line Items]  
Percent of Net Asset Value 14.00%
C000240390 | 25792  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000240390 | 25363  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000240390 | 25706  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000240390 | 25525  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000240390 | 25664  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000240390 | 25554  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000240390 | 25395  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000240390 | 25783  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000240390 | 26110  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000240390 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000240390 | Government  
Holdings [Line Items]  
Percent of Net Asset Value 97.70%
C000240390 | Money Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000232971 | Bharti Airtel Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000232971 | Reliance Industries Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000232971 | Infosys Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000232971 | Tata Consultancy Services Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000232971 | HCL Technologies Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000232971 | Eternal Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000232971 | Jio Financial Services Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000232971 | Tech Mahindra Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000232971 | Wipro Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000232971 | PB Fintech Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000232971 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value (0.70%)
C000232971 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000232971 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000232971 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000232971 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000232971 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 17.60%
C000232971 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
C000232971 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 42.40%
C000024980 | Barrick Mining Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000024980 | Newmont Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000024980 | Agnico Eagle Mines Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000024980 | Wheaton Precious Metals Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000024980 | Franco-Nevada Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000024980 | Anglogold Ashanti PLC  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000024980 | Gold Fields Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000024980 | Kinross Gold Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000024980 | Northern Star Resources Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000024980 | Zijin Mining Group Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000024980 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000024980 | Silver  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000024980 | Gold  
Holdings [Line Items]  
Percent of Net Asset Value 96.90%
C000231316 | Anglo American PLC  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000231316 | Freeport-McMoRan, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000231316 | Glencore PLC  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000231316 | Grupo Mexico SAB de CV  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000231316 | Teck Resources Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000231316 | Antofagasta PLC  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000231316 | Southern Copper Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000231316 | Valterra Platinum Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000231316 | Boliden AB  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000231316 | First Quantum Minerals Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000231316 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000231316 | Fertilizers & Agricultural Chemicals  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000231316 | Electrical Components & Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000231316 | Specialty Chemicals  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000231316 | Precious Metals & Minerals  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000231316 | Copper  
Holdings [Line Items]  
Percent of Net Asset Value 32.60%
C000231316 | Diversified Metals & Mining  
Holdings [Line Items]  
Percent of Net Asset Value 48.50%
C000082390 | Tata Consultancy Services Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000082390 | HCL Technologies Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000082390 | Bharat Electronics Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000082390 | Trent Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000082390 | ICICI Bank Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000082390 | Dr. Reddy's Laboratories Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000082390 | State Bank of India  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000082390 | Kotak Mahindra Bank Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000082390 | Hindustan Aeronautics Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000082390 | Coal India Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000082390 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000082390 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000082390 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 24.60%
C000082390 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000082390 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000082390 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000082390 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000082390 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 31.00%
C000082390 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000082390 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 14.40%
C000070695 | Bank Central Asia Tbk PT  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000070695 | Bank Rakyat Indonesia Persero Tbk PT  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000070695 | Bank Mandiri Persero Tbk PT  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000070695 | Telkom Indonesia Persero Tbk PT  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000070695 | Amman Mineral Internasional PT  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000070695 | Barito Renewables Energy Tbk PT  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000070695 | Chandra Asri Pacific Tbk PT  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000070695 | Astra International Tbk PT  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000070695 | Dian Swastatika Sentosa Tbk PT  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000070695 | Bank Negara Indonesia Persero Tbk PT  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000070695 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000070695 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000070695 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000070695 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000070695 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000070695 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000070695 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 22.50%
C000070695 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 26.70%
C000070695 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000070695 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000070695 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000102897 | 17392  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000102897 | 26703  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000102897 | 20495  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000102897 | 26610  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000102897 | 16327  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000102897 | 8374  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000102897 | 18055  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000102897 | 761  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000102897 | 25646  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000102897 | 22503  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000102897 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000102897 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000102897 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000102897 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000102897 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 26.60%
C000102897 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000102897 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000102897 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000102897 | Consumer Non-Cyclicals  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000102897 | Basic Materials  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000102897 | Consumer Cyclicals  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000102897 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000127738 | Bank Leumi Le-Israel BM  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000127738 | Bank Hapoalim BM  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000127738 | CyberArk Software Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000127738 | Check Point Software Technologies Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000127738 | Teva Pharmaceutical Industries Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000127738 | Elbit Systems Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000127738 | Monday.com Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000127738 | Nice Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000127738 | Mizrahi Tefahot Bank Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000127738 | Israel Discount Bank Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000127738 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.00% [4]
C000127738 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000127738 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000127738 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000127738 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000127738 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000127738 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000127738 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 32.30%
C000127738 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000127738 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 38.10%
C000127738 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000127738 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000088891 | 20940  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000088891 | 25484  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000088891 | 8424  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000088891 | 4512  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000088891 | 1788  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000088891 | 1582  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000088891 | 7165  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000088891 | 4536  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000088891 | 25742  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000088891 | 199  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000088891 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000088891 | Government  
Holdings [Line Items]  
Percent of Net Asset Value 97.10%
C000088891 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000081187 | Alamos Gold, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000081187 | Pan American Silver Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000081187 | Harmony Gold Mining Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000081187 | Evolution Mining Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000081187 | B2Gold Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000081187 | Industrias Penoles SAB de CV  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000081187 | Coeur Mining, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000081187 | Lundin Gold, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000081187 | Fresnillo PLC  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000081187 | IAMGOLD Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000081187 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000081187 | Silver  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000081187 | Gold  
Holdings [Line Items]  
Percent of Net Asset Value 84.20%
C000081187 | Precious Metals & Minerals  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000081187 | Diversified Metals & Mining  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000047031 | Tesla, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000047031 | NextEra Energy, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000047031 | Iberdrola SA  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000047031 | Enel SpA  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000047031 | BYD Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000047031 | Li Auto, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000047031 | First Solar, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000047031 | Vestas Wind Systems A/S  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000047031 | XPeng, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000047031 | Kingspan Group PLC  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000047031 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000047031 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000047031 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 18.40%
C000047031 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 29.30%
C000047031 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000047031 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000047031 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 40.60%
C000102386 | AGNC Investment Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000102386 | Annaly Capital Management, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
C000102386 | Starwood Property Trust, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000102386 | Rithm Capital Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000102386 | Blackstone Mortgage Trust, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000102386 | Arbor Realty Trust, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000102386 | Dynex Capital, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000102386 | ARMOUR Residential REIT, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000102386 | Ladder Capital Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000102386 | Ellington Financial, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000102386 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000102386 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 97.80%
C000064328 | Deere & Co.  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000064328 | Corteva, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000064328 | Bayer AG  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000064328 | Nutrien Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000064328 | NextEra Energy, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000064328 | Iberdrola SA  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000064328 | Shell PLC  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000064328 | Chevron Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000064328 | Exxon Mobil Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000064328 | BHP Group Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000064328 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.00% [5]
C000064328 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000064328 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000064328 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000064328 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 31.00%
C000064328 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 40.10%
C000064328 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000064328 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000244874 | Vornado Realty Trust  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000244874 | BXP, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000244874 | Cousins Properties, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000244874 | SL Green Realty Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000244874 | Kilroy Realty Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000244874 | Douglas Emmett, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000244874 | Highwoods Properties, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000244874 | COPT Defense Properties  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000244874 | Simon Property Group, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000244874 | Realty Income Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000244874 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000244874 | Real Estate Investment Trusts  
Holdings [Line Items]  
Percent of Net Asset Value 99.20%
C000158570 | Reliance Industries Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000158570 | Marathon Petroleum Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000158570 | Phillips 66  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000158570 | ORLEN SA  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000158570 | Valero Energy Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000158570 | SK Innovation Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000158570 | ENEOS Holdings, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000158570 | Galp Energia SGPS SA  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000158570 | OMV AG  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000158570 | Neste Oyj  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000158570 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000158570 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
C000105866 | Schlumberger NV  
Holdings [Line Items]  
Percent of Net Asset Value 19.30%
C000105866 | Baker Hughes Co.  
Holdings [Line Items]  
Percent of Net Asset Value 14.20%
C000105866 | Halliburton Co.  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000105866 | Tenaris SA  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000105866 | TechnipFMC PLC  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000105866 | ChampionX Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000105866 | NOV, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000105866 | Noble Corp. PLC  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000105866 | Cactus, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000105866 | Weatherford International PLC  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000105866 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.00% [6]
C000105866 | Oil & Gas Drilling  
Holdings [Line Items]  
Percent of Net Asset Value 16.90%
C000105866 | Oil & Gas Equipment & Services  
Holdings [Line Items]  
Percent of Net Asset Value 83.10%
C000114511 | 25043  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000114511 | 25868  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000114511 | 24240  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000114511 | 24452  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000114511 | 19934  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000114511 | 23254  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000114511 | 25658  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000114511 | 9279  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000114511 | 25067  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000114511 | 25507  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000114511 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000114511 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000114511 | Healthcare Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000114511 | Real Estate Operations  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000114511 | Chemicals  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000114511 | Multiline Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000114511 | Computers Phones & Household Electronics  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000114511 | Automobiles & Auto Parts  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000114511 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000114511 | Food & Tobacco  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000114511 | Software & IT Services  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000114511 | Telecommunications Services  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000114511 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000114511 | Residential & Commercial REITs  
Holdings [Line Items]  
Percent of Net Asset Value 18.00%
C000114511 | Electric Utilities & IPPs  
Holdings [Line Items]  
Percent of Net Asset Value 25.10%
C000092114 | China Northern Rare Earth Group High-Tech Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000092114 | MP Materials Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000092114 | Albemarle Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000092114 | Lynas Rare Earths Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000092114 | Sociedad Quimica y Minera de Chile SA  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000092114 | AMG Critical Materials NV  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000092114 | Pilbara Minerals Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000092114 | Jinduicheng Molybdenum Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000092114 | Ganfeng Lithium Group Co. Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000092114 | IperionX Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000092114 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000092114 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 99.80%
C000047032 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value (0.50%)
C000047032 | Money Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 100.50%
C000098930 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value (13.90%)
C000098930 | Money Market Fund  
Holdings [Line Items]  
Percent of Net Asset Value 113.90%
C000037682 | Tenaris SA  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000037682 | Rio Tinto PLC  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000037682 | Vale SA  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000037682 | Nucor Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000037682 | Worthington Steel, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000037682 | ArcelorMittal SA  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000037682 | Reliance, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000037682 | POSCO Holdings, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000037682 | Carpenter Technology Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000037682 | Steel Dynamics, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000037682 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000037682 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000037682 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000037682 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 85.80%
C000051121 | Constellation Energy Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000051121 | Cameco Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000051121 | BWX Technologies, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000051121 | Public Service Enterprise Group, Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000051121 | Centrus Energy Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000051121 | Denison Mines Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000051121 | Uranium Energy Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000051121 | NAC Kazatomprom JSC  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000051121 | NexGen Energy Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000051121 | PG&E Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000051121 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000051121 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000051121 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 48.10%
C000051121 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 32.90%
C000066397 | Vinhomes JSC  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000066397 | Vingroup JSC  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000066397 | Hoa Phat Group JSC  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000066397 | Vietnam Dairy Products JSC  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000066397 | Bank for Foreign Trade of Vietnam JSC  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000066397 | SSI Securities Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000066397 | Masan Group Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000066397 | VNDirect Securities Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000066397 | Vietcap Securities JSC  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000066397 | VIX Securities JSC  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000066397 | Other assets and liabilities  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000066397 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000066397 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 18.00%
C000066397 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000066397 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000066397 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 29.50%
C000066397 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 28.30%
C000066397 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
[1] Amount is less than 0.05%
[2] Amount is less than 0.05%
[3] Amount is less than 0.05%
[4] Amount is less than 0.05%
[5] Amount is less than 0.05%
[6] Amount is less than 0.05%