|SPDR Russell 2000 ETF|
|The investment seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of an index that tracks the performance of small capitalization exchange traded U.S. equity securities.
The fund employs a sampling strategy to track the performance of the Russell 2000® Index. Under normal market conditions, it generally invests substantially all, but at least 80%, of its total assets in the securities comprising the index. The index measures the performance of the small-cap segment of the U.S. equity market. The fund is non-diversified.|
| ||TWOK||Category Avg|
|Annual Report Expense Ratio (net)||0.12%||N/A|
|Annual Holdings Turnover||19.00%||N/A|
|Total Net Assets||NaN||N/A|