|Market Vectors Solar Energy ETF|
|The investment seeks to replicate as closely as possible, before fees and expenses, the price and yield performance of the Market Vectors® Global Solar Energy Index.
The fund normally invests at least 80% of its total assets in securities that comprise the fund's benchmark index. The Solar Energy Index, which is the fund's benchmark index, is comprised of equity securities of companies that generate at least 50% of their revenues from photovoltaic and solar power, or the provision of solar power equipment/technologies and materials or services to solar power equipment/technologies producers. The fund is non-diversified.|
| ||KWT||Category Avg|
|Annual Report Expense Ratio (net)||0.65%||N/A|
|Annual Holdings Turnover||50.00%||N/A|
|Total Net Assets||NaN||N/A|