v3.26.1
Expense Example
Jul. 31, 2026
USD ($)
Service Shares Prospectus | GuideMark(R) Large Cap Core Fund | GuideMark(R) Large Cap Core Fund Service Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 90
Expense Example, with Redemption, 3 Years 281
Expense Example, with Redemption, 5 Years 488
Expense Example, with Redemption, 10 Years 1,084
Service Shares Prospectus | GuideMark(R) Emerging Markets Fund | GuideMark(R) Emerging Markets Fund Service Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 151
Expense Example, with Redemption, 3 Years 529
Expense Example, with Redemption, 5 Years 932
Expense Example, with Redemption, 10 Years 2,060
Service Shares Prospectus | GuideMark(R) Small/Mid Cap Core Fund | GuideMark(R) Small/Mid Cap Core Fund Service Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 117
Expense Example, with Redemption, 3 Years 365
Expense Example, with Redemption, 5 Years 633
Expense Example, with Redemption, 10 Years 1,398
Service Shares Prospectus | GuideMark(R) World ex-US Fund | GuideMark(R) World ex-US Fund Service Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 121
Expense Example, with Redemption, 3 Years 365
Expense Example, with Redemption, 5 Years 628
Expense Example, with Redemption, 10 Years 1,380
Service Shares Prospectus | GuideMark(R) Core Fixed Income Fund | GuideMark(R) Core Fixed Income Fund Service Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 96
Expense Example, with Redemption, 3 Years 308
Expense Example, with Redemption, 5 Years 538
Expense Example, with Redemption, 10 Years 1,198
RS Shares Prospectus | GuideMark(R) Large Cap Core Fund | GuideMark(R) Large Cap Core Fund RS Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 167
Expense Example, with Redemption, 3 Years 517
Expense Example, with Redemption, 5 Years 892
Expense Example, with Redemption, 10 Years 1,944
RS Shares Prospectus | GuideMark(R) Emerging Markets Fund | GuideMark(R) Emerging Markets Fund RS Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 223
Expense Example, with Redemption, 3 Years 801
Expense Example, with Redemption, 5 Years 1,406
Expense Example, with Redemption, 10 Years 3,040
RS Shares Prospectus | GuideMark(R) Small/Mid Cap Core Fund | GuideMark(R) Small/Mid Cap Core Fund RS Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 196
Expense Example, with Redemption, 3 Years 606
Expense Example, with Redemption, 5 Years 1,042
Expense Example, with Redemption, 10 Years 2,254
RS Shares Prospectus | GuideMark(R) World ex-US Fund | GuideMark(R) World ex-US Fund RS Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 191
Expense Example, with Redemption, 3 Years 591
Expense Example, with Redemption, 5 Years 1,016
Expense Example, with Redemption, 10 Years 2,201
RS Shares Prospectus | GuideMark(R) Core Fixed Income Fund | GuideMark(R) Core Fixed Income Fund RS Shares  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 172
Expense Example, with Redemption, 3 Years 549
Expense Example, with Redemption, 5 Years 952
Expense Example, with Redemption, 10 Years $ 2,077