SMALL CAP EQUITY FUND Performance Management - SMALL CAP EQUITY FUND |
Dec. 31, 2025 |
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| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | <span style="color:#000000;font-family:Times New Roman;font-size:12pt;font-weight:bold;">Performance</span> |
| Performance Narrative [Text Block] | The following bar chart and table illustrate the risks of investing in the Fund. The bar chart provides some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and the annual total returns of the Fund’s Investor Class shares. The table provides some indication of the risks of investing in the Fund by showing how the Fund’s Investor Class returns, both before and after taxes, and the Fund's Institutional Class, before taxes, averaged over certain periods of time, compare to the performance of a broad-based securities market index, the Russell 3000® Index, during the same periods. In addition, the performance of the Russell 2000® Index is provided to show how the Fund's performance compares with the returns of another securities market index that reflects the market sectors in which the Fund invests, during the same periods.The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future. Updated performance information is available on the GuideStone Funds’ website at GuideStoneFunds.com or by calling 1-888-GS-FUNDS (1-888-473-8637). |
| Performance Past Does Not Indicate Future [Text] | <span style="color:#000000;font-family:Times New Roman;font-size:10pt;margin-left:0%;">The Fund’s past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.</span> |
| Performance Information Illustrates Variability of Returns [Text] | <span style="color:#000000;font-family:Times New Roman;font-size:10pt;margin-left:0%;">The following bar chart and table illustrate the risks of investing in the Fund. The bar chart provides some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year and the annual total returns of the Fund’s Investor Class shares. The table provides some indication of the risks of investing in the Fund by showing how the Fund’s Investor Class returns, both before and after taxes, and the Fund's Institutional Class, before taxes, averaged over certain periods of time, compare to the performance of a broad-based securities market index, the Russell 3000</span><span style="color:#000000;font-family:Times New Roman;font-size:6.5pt;position:relative;top:-2.75pt;">®</span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;"> Index, during the same periods. </span> |
| Performance Additional Market Index [Text] | <span style="color:#000000;font-family:Times New Roman;font-size:10pt;">In addition, </span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;margin-left:0%;">the performance of the Russell 2000</span><span style="color:#000000;font-family:Times New Roman;font-size:6.5pt;position:relative;top:-2.75pt;">®</span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;"> Index is provided to </span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;margin-left:0%;">show how the Fund's performance compares with the returns of another securities market index that reflects the market </span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;">sectors in which the Fund invests, during the same periods.</span> |
| Bar Chart [Heading] | <span style="color:#FFFFFF;font-family:Times New Roman;font-size:9.75pt;font-weight:bold;">Investor Class Annual Total Returns</span><span style="color:#FFFFFF;font-family:Times New Roman;font-size:9.75pt;"> years ended 12/31</span> |
| Bar Chart Closing [Text Block] | Best Quarter:30.40%12/31/2020Worst Quarter:(29.18)%3/31/2020 |
| Performance Table Heading | <span style="color:#FFFFFF;font-family:Times New Roman;font-size:9.75pt;font-weight:bold;">Average Annual Total Returns</span><span style="color:#FFFFFF;font-family:Times New Roman;font-size:9.75pt;"> as of 12/31/25</span> |
| Performance Table Uses Highest Federal Rate | <span style="color:#000000;font-family:Times New Roman;font-size:8pt;">After-tax returns are calculated using the highest historical individual federal marginal income tax rates and do not reflect the impact of state and local taxes.</span> |
| Performance Table Not Relevant to Tax Deferred | <span style="color:#000000;font-family:Times New Roman;font-size:8pt;">Actual after-tax returns depend on your tax situation and may differ from those shown and are not relevant if you hold your shares through tax-advantaged arrangements, such as 403(b) plans, 401(k) plans or individual retirement accounts (IRAs). </span> |
| Performance Table Explanation after Tax Higher | <span style="font-family:Times New Roman;font-size:8pt;">Returns may be higher than other returns for the same period due to a tax benefit of realizing a capital loss on the sale of Fund shares.</span> |
| Performance Table One Class of after Tax Shown [Text] | <span style="color:#000000;font-family:Times New Roman;font-size:8pt;">After tax returns are shown </span><span style="color:#000000;font-family:Times New Roman;font-size:8pt;">only for the Investor Class and after tax returns for the Institutional Class will vary.</span> |
| Performance Availability Website Address [Text] | <span style="color:#000000;font-family:Times New Roman;font-size:10pt;font-style:italic;">GuideStoneFunds.com</span> |
| Performance Availability Phone [Text] | <span style="color:#000000;font-family:Times New Roman;font-size:10pt;">1-888-GS-FUNDS</span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;"> (1-888-473-8637)</span> |
| Investor | |
| Prospectus [Line Items] | |
| Highest Quarterly Return, Label [Optional Text] | <span style="color:#000000;font-family:Times New Roman;font-size:8pt;font-weight:bold;margin-left:0.0pt;">Best Quarter:</span> |
| Highest Quarterly Return | 30.40% |
| Highest Quarterly Return, Date | Dec. 31, 2020 |
| Lowest Quarterly Return, Label [Optional Text] | <span style="color:#000000;font-family:Times New Roman;font-size:8pt;font-weight:bold;margin-left:0.0pt;">Worst Quarter:</span> |
| Lowest Quarterly Return | (29.18%) |
| Lowest Quarterly Return, Date | Mar. 31, 2020 |