|SPDR S&P 400 Mid Cap Growth ETF|
|The investment seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of the S&P MidCap 400 Growth Index that tracks the performance of medium capitalization exchange traded U.S. equity securities exhibiting "growth" characteristics.
The fund 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 mid-capitalization growth segment of the U.S. equity market. The fund is non-diversified.|
| ||MDYG||Category Avg|
|Annual Report Expense Ratio (net)||0.21%||N/A|
|Annual Holdings Turnover||53.00%||N/A|
|Total Net Assets||NaN||N/A|