|Market Vectors Coal ETF|
|The investment seeks to replicate as closely as possible, before fees and expenses, the price and yield performance of the Market VectorsÂ® Global Coal Index (the "Coal Index").
The fund normally invests at least 80% of its total assets in securities that comprise the fund's benchmark index. The Coal Index is comprised of companies that generate at least 50% of their revenues from (or, in certain circumstances, have at least 50% of their assets related to): coal operation (production, mining and cokeries), transportation of coal, from production of coal mining equipment as well as from storage and trade. The fund is non-diversified.|
| ||KOL||Category Avg|
|Annual Report Expense Ratio (net)||0.59%||N/A|
|Annual Holdings Turnover||20.00%||N/A|
|Total Net Assets||NaN||N/A|