|Guggenheim BulletShrs2014 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 2014 Index.
The fund will invest at least 80% of its net assets in corporate bonds. It, using a "passive" or "indexing" investment approach, will seek to replicate, before the fund's fees and expenses, the performance of the 2014 Index. The 2014 Index is a rules-based index comprised of, as of August 31, 2014, approximately 56 investment grade corporate bonds with effective maturities in the year 2014. The fund is non-diversified.|
| ||BSCE||Category Avg|
|Annual Report Expense Ratio (net)||0.25%||N/A|
|Annual Holdings Turnover||NaN||N/A|
|Total Net Assets||NaN||N/A|