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Label Element Value
Prospectus [Line Items] rr_ProspectusLineItems  
Document Type dei_DocumentType 497
Document Period End Date dei_DocumentPeriodEndDate Mar. 31, 2019
Entity Registrant Name dei_EntityRegistrantName GPS Funds II
Entity Central Index Key dei_EntityCentralIndexKey 0001504079
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Oct. 10, 2019
Document Effective Date dei_DocumentEffectiveDate Oct. 10, 2019
Prospectus Date rr_ProspectusDate Jul. 31, 2019
Entity Inv Company Type dei_EntityInvCompanyType N-1A
GuideMark(R) Opportunistic Fixed Income Fund  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading GuideMark® Opportunistic Fixed Income Fund
Supplement to Prospectus [Text Block] rr_SupplementToProspectusTextBlock
GPS FUNDS II
GuideMark® Opportunistic Fixed Income Fund

Institutional Shares

SUPPLEMENT TO THE PROSPECTUS
DATED JULY 31, 2019

The date of this Supplement is October 10, 2019

The bar chart in the section entitled “SUMMARY SECTION – GUIDEMARK® OPPORTUNISTIC FIXED INCOME FUND - Performance” of the Fund’s prospectus is hereby deleted and replaced with the following:
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock
The bar chart and table that follow illustrate annual returns for Institutional Shares of the Fund for the periods ended December 31. This information is intended to give you some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and how the Fund’s average annual returns over time compare with those of a broad measure of market performance. The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns This information is intended to give you some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and how the Fund’s average annual returns over time compare with those of a broad measure of market performance.
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.
Bar Chart [Heading] rr_BarChartHeading GUIDEMARK® OPPORTUNISTIC FIXED INCOME FUND – INSTITUTIONAL SHARES Calendar Year Returns as of 12/31
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
The year-to-date performance of the Fund’s Institutional Shares as of June 30, 2019 was 4.11%.

During the period shown on the bar chart, the Fund’s best and worst quarters are shown below:

Best Quarter:
Quarter ended March 31, 2012
6.12
 %
Worst Quarter:
Quarter ended September 30, 2015
-3.18
 %
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date performance
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2019
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 4.11%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Best Quarter:
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2012
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 6.12%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Worst Quarter:
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2015
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (3.18%)
Supplement Closing [Text Block] ck0001504079_SupplementClosingTextBlock
SHAREHOLDERS SHOULD RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE
GuideMark(R) Opportunistic Fixed Income Fund | Institutional Shares  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol GIOFX
Annual Return 2012 rr_AnnualReturn2012 14.73%
Annual Return 2013 rr_AnnualReturn2013 1.22%
Annual Return 2014 rr_AnnualReturn2014 1.02%
Annual Return 2015 rr_AnnualReturn2015 (2.06%)
Annual Return 2016 rr_AnnualReturn2016 3.30%
Annual Return 2017 rr_AnnualReturn2017 4.09%
Annual Return 2018 rr_AnnualReturn2018 1.70%