|Market Vectors Gold Miners ETF|
|The investment seeks to replicate as closely as possible, before fees and expenses, the price and yield performance of the NYSE Arca Gold Miners Index.
The fund invests at least 80% of its total assets in common stocks and ADRs of companies involved in the gold mining industry. Such companies may include medium-capitalization companies and foreign issuers. The fund normally invests at least 80% of its total assets in securities that comprise the Gold Miners Index. The Gold Miners Index is a modified market-capitalization weighted index primarily comprised of publicly traded companies involved in the mining for gold and silver. The fund is non-diversified.|
| ||GDX||Category Avg|
|Annual Report Expense Ratio (net)||0.52%||N/A|
|Annual Holdings Turnover||33.00%||N/A|
|Total Net Assets||NaN||N/A|