010001 - Document - Document And Entity Information {Elements} link:presentationLink link:calculationLink link:definitionLink 040014 - Document - Shareholder Report, Line Graph (Details) 199958_Wilshire Global Allocation Fund_TF_TSR Annual {TF} link:presentationLink link:calculationLink link:definitionLink 040015 - Document - Shareholder Report, Average Annual Return (Details) 199958_Wilshire Global Allocation Fund_TF_TSR Annual {TF} link:presentationLink link:calculationLink link:definitionLink 040016 - Document - Shareholder Report, Holdings (Details) 199958_Wilshire Global Allocation Fund_TF_TSR Annual {Elements} link:presentationLink link:calculationLink link:definitionLink