|Guggenheim BulletShrs 2019 Corp Bd ETF|
|The investment seeks investment results that correspond generally to the performance, before the fund's fees and expenses, of an investment grade corporate bond index called the NASDAQ BulletShares® USD Corporate Bond 2019 Index.
The fund will invest at least 80% of its total assets in component securities that comprise the 2019 Index. Under normal conditions, the fund will invest at least 80% of its net assets in corporate bonds. The 2019 Index is designed to represent the performance of a held-to-maturity portfolio of U.S. dollar-denominated investment-grade corporate bonds with effective maturities in the year 2019. It is non-diversified.|
| ||BSCJ||Category Avg|
|Annual Report Expense Ratio (net)||0.24%||N/A|
|Annual Holdings Turnover||5.00%||N/A|
|Total Net Assets||NaN||N/A|