|Market Vectors Steel ETF|
|The investment seeks to replicate as closely as possible, before fees and expenses, the price and yield performance of the NYSE Arca Steel Index.
The fund normally invests at least 80% of its total assets in common stocks and depositary receipts of companies involved in the steel sector. Such companies may include small- and medium-capitalization companies and foreign issuers. As of December 31, 2013, the Steel Index included 27 securities of companies with a market capitalization range of between approximately $317 million and $79.7 billion and a weighted average market capitalization of $25.9 billion. It is non-diversified.|
| ||SLX||Category Avg|
|Annual Report Expense Ratio (net)||0.55%||N/A|
|Annual Holdings Turnover||11.00%||N/A|
|Total Net Assets||NaN||N/A|