Label

Element

Value

Risk/Return:

rr_RiskReturnAbstract

Risk/Return [Heading]

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Frontier MFG Global Plus Fund

Objective [Heading]

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Investment Objective.

Objective, Primary [Text Block]

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The investment objective of the Frontier MFG Global Plus Fund (the “Fund”) is capital appreciation.

Expense [Heading]

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Fees and Expenses of the Fund.

Expense Narrative [Text Block]

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This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.

Shareholder Fees Caption [Text]

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Shareholder Fees (fees paid directly from your investment)

Operating Expenses Caption [Text]

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Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)

Fee Waiver or Reimbursement over Assets, Date of Termination

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2016-10-31

Portfolio Turnover [Heading]

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Portfolio Turnover.

Portfolio Turnover [Text Block]

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The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio).  A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account.  These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance.

Other Expenses, New Fund, Based on Estimates [Text]

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“Other Expenses” are based on estimated amounts for the current fiscal year.

Expense Example [Heading]

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Example.

Expense Example Narrative [Text Block]

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The following example is intended to help you compare the cost of investing in the shares of the Fund with the cost of investing in other mutual funds.  The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods.  The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same.

Expense Example by, Year, Caption [Text]

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Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Strategy [Heading]

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Principal Investment Strategy.

Strategy Narrative [Text Block]

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Under normal market conditions, the Fund invests at least 80% of its net assets in a non-diversified portfolio of publicly-traded equity securities issued by U.S. and non-U.S. companies. For purposes of the 80% policy, net assets include any borrowings for investment purposes.  Under normal market conditions, the Fund will allocate its assets among issuers located in at least three different countries and will invest at least 40% of its net assets in non-U.S. companies.  Magellan Asset Management Limited doing business as MFG Asset Management (“MFG Asset Management”), the Fund’s subadviser, may reduce this 40% minimum investment amount to 30% if it deems market conditions to be unfavorable.  MFG Asset Management seeks to identify high-quality companies at attractive prices while integrating an in depth macroeconomic understanding in order to manage risk.  The Fund will normally hold a concentrated number (generally 20 to 40) of companies, typically with a market capitalization in excess of U.S. $25 billion at the time of purchase.

Risk [Heading]

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Principal Investment Risks.

Risk Narrative [Text Block]

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Market Risks.  The Fund’s investments are subject to market risk, which may cause the value of the Fund’s investments to decline.  If the value of the Fund’s investments goes down, the share price of the Fund will go down, and you may lose money.  U.S. and international markets have experienced extreme volatility, reduced liquidity, credit downgrades, increased likelihood of default and valuation difficulties in recent years.

Equity Securities Risks.  Common stocks and other equity securities held by the Fund will fluctuate in value based on the earnings of the company and on general industry and market conditions.  A fund that invests a significant amount of its assets in common stocks and other equity securities is likely to have greater fluctuations in share price than a fund that invests a significant portion of its assets in fixed income securities.

Non-Diversification Risks.  The Fund is non-diversified, which means it may invest more of its assets in a smaller number of companies than funds that are diversified.  Gains or losses on a single company may have greater impact on the Fund than for other funds that invest in a greater number of companies.

Stock Selection Risks.  Stock prices vary and may fall, thus reducing the value of the Fund’s investments.  The stocks selected for the Fund may decline in value or not increase in value when the stock market in general is rising.

Large Capitalization Risks.  Large-cap companies perform differently from, and at times and for extended periods of time worse than, stocks of mid- and small-cap companies.  Larger, more established companies may be unable to respond quickly to new competitive challenges.

Foreign Securities Risks.  Investments in securities of foreign companies involve additional risks, including less liquidity, currency-rate fluctuations, political and economic instability, differences in financial reporting standards and securities market regulation, and imposition of foreign withholding taxes.

Currency Risks.  The value of the Fund’s foreign holdings as measured in U.S. dollars may be affected unfavorably by changes in foreign currency exchange rates.  The Fund may also incur costs in connection with conversions between various currencies.

Management Risks.  The Fund is subject to management risk as an actively-managed investment portfolio and depends on the decisions of the portfolio manager to produce the desired results.

Risk Lose Money [Text]

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If the value of the Fund’s investments goes down, the share price of the Fund will go down, and you may lose money.

Risk Nondiversified Status [Text]

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The Fund is non-diversified, which means it may invest more of its assets in a smaller number of companies than funds that are diversified. Gains or losses on a single company may have greater impact on the Fund than for other funds that invest in a greater number of companies.

Bar Chart and Performance Table [Heading]

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Performance.

Performance Narrative [Text Block]

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Performance information for the Fund is not included because the Fund has not commenced operations as of the date of this Prospectus.

Performance One Year or Less [Text]

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Performance information for the Fund is not included because the Fund has not commenced operations as of the date of this Prospectus.

Institutional Class

Risk/Return:

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Redemption Fee (as a percentage of Amount Redeemed)

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(2.00%)

Redemption Fee

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(15.00)

Management Fees

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0.80%

Distribution (12b-1) Fees

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none

Shareholder Servicing Fee

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none

Additional Other Expenses

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0.45%

^[1]

Total Other Expenses

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0.45%

Total Annual Fund Operating Expenses

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1.25%

Fee Waiver

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(0.45%)

^[2]

Total Annual Fund Operating Expenses After Fee Waiver

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0.80%

Expense Example, with Redemption, 1 Year

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82

Expense Example, with Redemption, 3 Years

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305

Class Y

Risk/Return:

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Redemption Fee (as a percentage of Amount Redeemed)

rr_RedemptionFeeOverRedemption

(2.00%)

Redemption Fee

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(15.00)

Management Fees

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0.80%

Distribution (12b-1) Fees

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0.25%

Shareholder Servicing Fee

rr_Component1OtherExpensesOverAssets

0.15%

Additional Other Expenses

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0.45%

^[1]

Total Other Expenses

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0.60%

Total Annual Fund Operating Expenses

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1.65%

Fee Waiver

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(0.45%)

^[2]

Total Annual Fund Operating Expenses After Fee Waiver

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1.20%

Expense Example, with Redemption, 1 Year

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122

Expense Example, with Redemption, 3 Years

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430

[1] "Other Expenses" are based on estimated amounts for the current fiscal year.

[2] Pursuant to an expense cap agreement between Frontegra Asset Management, Inc. ("Frontegra"), the Fund's investment adviser, and the Fund, Frontegra has contractually agreed to waive its management fee and/or reimburse the Fund's operating expenses to the extent necessary to ensure that the Fund's total operating expenses (excluding taxes, interest, brokerage commissions, acquired fund fees and expenses ("AFFE") and extraordinary expenses) do not exceed 0.80% and 1.20% of the Fund's average daily net assets for Institutional Class and Class Y shares, respectively. Frontegra is entitled to recoup the fees waived and/or expenses reimbursed within a three-year period from the time the expenses were incurred to the extent of the expense limitation. The expense cap agreement will continue in effect until October 31, 2016, with successive renewal terms of one year unless terminated by Frontegra or the Company prior to any such renewal.