|Market Vectors Junior Gold Miners ETF|
|The investment seeks to replicate the Market VectorsÂ® Global Junior Gold Miners Index.
The fund normally invests at least 80% of its total assets in securities that comprise the fund's benchmark index. It will normally invest at least 80% of its total assets in companies that are involved in the gold mining industry. The Junior Gold Miners Index includes companies that generate at least 50% of their revenues from gold mining and/or silver mining or have mining projects with the potential to generate at least 50% of their revenues from gold and/or silver when developed. The fund is non-diversified.|
| ||GDXJ||Category Avg|
|Annual Report Expense Ratio (net)||0.55%||N/A|
|Annual Holdings Turnover||22.00%||N/A|
|Total Net Assets||NaN||N/A|