The return information provided in the following bar chart and table illustrates how the performance of the Fund can vary, which is one indication of the risks of investing in the Fund. The bar chart shows changes in the Fund’s performance from year to year, while the table compares the average annual total returns of the Fund to those of a broad measure of market performance. Please keep in mind that the Fund’s past performance (before and after taxes) does not necessarily represent how it will perform in the future. Updated performance data is available on the Company’s website at www.mfg-funds.com or by calling toll-free to 1-888-825-2100.

Performance Information Illustrates Variability of Returns [Text]

The return information provided in the following bar chart and table illustrates how the performance of the Fund can vary, which is one indication of the risks of investing in the Fund.

Bar Chart [Table]

Year to Date Return, Label [Optional Text]

The Fund’s return from January 1, 2025, through September 30, 2025, was

Bar Chart, Year to Date Return, Date

Sep. 30, 2025

Highest Quarterly Return

16.02%

Lowest Quarterly Return, Label [Optional Text]

Worst Quarter Return

Lowest Quarterly Return, Date

Mar. 31, 2020

Performance Table Uses Highest Federal Rate

After-tax returns for the Fund were calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.

Performance Table Explanation after Tax Higher

In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than other return figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor.

Performance Table One Class of after Tax Shown [Text]

After-tax returns are shown only for Institutional Class shares, and the after-tax returns for Service Class shares will vary.

Performance Table Closing [Text Block]

After-tax returns are shown only for Institutional Class shares, and the after-tax returns for Service Class shares will vary. After-tax returns for the Fund were calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and after-tax returns are not relevant to investors who hold shares of the Fund through tax-deferred or other tax advantaged arrangements, such as a 401(k) plan or individual retirement account (“IRA”). In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than other return figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor.

Performance Availability Phone [Text]

1-888-825-2100

Prospectus [Line Items]

Performance Narrative [Text Block]

The return information provided in the following bar chart and table illustrates how the performance of the Fund can vary from year to year, which is one indication of the risks of investing in the Fund. The bar chart shows changes in the Fund’s performance from year to year, while the table compares the average annual total returns of the Fund to those of a broad measure of market performance and the Fund’s benchmark index. Please keep in mind that the Fund’s past performance (before and after taxes) does not necessarily represent how it will perform in the future. Updated performance data is available on the Company’s website at www.mfg-funds.com or by calling toll-free to 1-888-825-2100.

Performance Information Illustrates Variability of Returns [Text]

The return information provided in the following bar chart and table illustrates how the performance of the Fund can vary from year to year, which is one indication of the risks of investing in the Fund.

Bar Chart [Table]

Year to Date Return, Label [Optional Text]

The Fund’s return from January 1, 2025, through September 30, 2025, was

Bar Chart, Year to Date Return, Date

Sep. 30, 2025

Highest Quarterly Return

15.27%

Lowest Quarterly Return, Label [Optional Text]

Worst Quarter Return

Lowest Quarterly Return, Date

Mar. 31, 2020

Performance Table Uses Highest Federal Rate

After-tax returns for the Fund were calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes.

Performance Table Explanation after Tax Higher

In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than other return figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor.

Performance Table One Class of after Tax Shown [Text]

After-tax returns are shown only for Institutional Class shares, and the after-tax returns for Service Class shares will vary.

Performance Table Closing [Text Block]

After-tax returns are shown only for Institutional Class shares, and the after-tax returns for Service Class shares will vary. After-tax returns for the Fund were calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and after-tax returns are not relevant to investors who hold shares of the Fund through tax-deferred or other tax-advantaged arrangements, such as a 401(k) plan or individual retirement account (“IRA”). In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Fund Shares” may be higher than other return figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor.

Performance Availability Phone [Text]

1-888-825-2100