XML 21 R26.htm IDEA: XBRL DOCUMENT v3.20.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
Dec. 31, 2019
$ / item
Significant Accounting Policies  
Fee paid by Authorized Purchasers for each order placed to create one or more Creation Baskets or to redeem one or more baskets 1,000
Redemption Baskets [Member]  
Significant Accounting Policies  
Number of units per basket 100,000