Shareholder Report, Holdings (Details) - C000129443	Jun. 30, 2026
46436E718 \| iShares 0-3 Month Treasury Bond ETF
Holdings [Line Items]
Percent of Net Asset Value	20.00%
78468R663 \| State Street SPDR Bloomberg 1-3 Month T-Bill ETF
Holdings [Line Items]
Percent of Net Asset Value	20.00%
990VR1110 \| Mount Vernon Liquid Assets Portfolio, LLC
Holdings [Line Items]
Percent of Net Asset Value	19.20%
31846V567 \| First American Government Obligations Fund Class Z, Class Z
Holdings [Line Items]
Percent of Net Asset Value	14.20%
25160K207 \| DWS Government Money Market Series Institutional Class, Institutional Class
Holdings [Line Items]
Percent of Net Asset Value	13.20%
316175108 \| Fidelity Government Portfolio Class I, Class I
Holdings [Line Items]
Percent of Net Asset Value	12.50%
825252406 \| Invesco Treasury Portfolio Institutional Class, Institutional Class
Holdings [Line Items]
Percent of Net Asset Value	12.50%
78463V107 \| SPDR Gold Shares
Holdings [Line Items]
Percent of Net Asset Value	2.20%
Collateral for Securities Loaned
Holdings [Line Items]
Percent of Net Asset Value	16.90%
Exchange-Traded Funds
Holdings [Line Items]
Percent of Net Asset Value	37.00%
Money Market Funds
Holdings [Line Items]
Percent of Net Asset Value	46.10%