Shareholder Fees - Investor Class and Class H - Inverse SP 500 Strategy Fund	Aug. 01, 2021 USD ($)
Investor Class
Shareholder Fees:
SHAREHOLDER FEES(fees paid directly from your investment)
Class H
Shareholder Fees:
SHAREHOLDER FEES(fees paid directly from your investment)

Other Expenses

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Subsection table
-Paragraph 1
-Subparagraph 10

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