v3.26.1
Fees and Expenses
Aug. 25, 2026
PFG American Funds Conservative Income Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial intermediary and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees(1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.27%
Total Annual Fund Operating Expenses 2.22%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $225 $694 $1,190 $2,554

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 14% of the average value of its portfolio.
Portfolio Turnover, Rate 14.00%
PFG American Funds Growth Capital Appreciation Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial intermediary and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees (1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.37%
Total Annual Fund Operating Expenses 2.32%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $235 $724 $1,240 $2,656

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 16% of the average value of its portfolio.
Portfolio Turnover, Rate 16.00%
PFG Fidelity Institutional AM® Equity Index Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial intermediary and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees (1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.03%
Total Annual Fund Operating Expenses 1.98%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $201 $621 $1,068 $2,306

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 14% of the average value of its portfolio.
Portfolio Turnover, Rate 14.00%
PFG Fidelity Institutional AM® Equity Sector Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial intermediary and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees (1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.29%
Total Annual Fund Operating Expenses 2.24%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $227 $700 $1,200 $2,575

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 120% of the average value of its portfolio.
Portfolio Turnover, Rate 120.00%
PFG Fidelity Institutional AM(R) Core Plus Bond Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy and hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial professional and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees(1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.34%
Total Annual Fund Operating Expenses 2.29%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $232 $715 $1,225 $2,626

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 42% of the average value of its portfolio.
Portfolio Turnover, Rate 42.00%
PFG JPMorgan® Tactical Aggressive Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial intermediary and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees(1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.28%
Total Annual Fund Operating Expenses 2.23%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $226 $697 $1,195 $2,565

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 58% of the average value of its portfolio.
Portfolio Turnover, Rate 58.00%
PFG JPMorgan® Tactical Moderate Strategy Fund  
Prospectus [Line Items]  
Expense Narrative [Text Block]

Fees and Expenses of the Fund: This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial intermediary and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Acquired Fund Fees and Expenses, Based on Estimates [Text] Acquired Fund Fees and Expenses, which are estimated for the current fiscal year, are the indirect costs of investing in other investment companies, including exchange-traded funds.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees(1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.28%
Total Annual Fund Operating Expenses 2.23%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses, which are estimated for the current fiscal year, are the indirect costs of investing in other investment companies, including exchange-traded funds.

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $226 $697 $1,195 $2,565

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 47% of the average value of its portfolio.
Portfolio Turnover, Rate 47.00%
PFG BNY Mellon® Diversifier Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial intermediary and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees(1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.60%
Total Annual Fund Operating Expenses 2.55%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $258 $793 $1,355 $2,885

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 32% of the average value of its portfolio.
Portfolio Turnover, Rate 32.00%
PFG MFS® Aggressive Capital Appreciation Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial intermediary and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees(1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.53%
Total Annual Fund Operating Expenses 2.48%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $251 $773 $1,321 $2,816

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 15% of the average value of its portfolio.
Portfolio Turnover, Rate 15.00%
PFG BR Target Allocation Equity Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial intermediary and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees(1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.17%
Total Annual Fund Operating Expenses 2.12%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $215 $664 $1,139 $2,452

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 8% of the average value of its portfolio.
Portfolio Turnover, Rate 8.00%
PFG Janus Henderson(R) Balanced Strategy  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy and hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial professional and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees(1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses (2) 0.54%
Total Annual Fund Operating Expenses 2.49%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $252 $776 $1,326 $2,826

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 23% of the average value of its portfolio.
Portfolio Turnover, Rate 23.00%
PFG Invesco(R) Equity Factor Rotation Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy and hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial professional and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees(1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.25%
Total Annual Fund Operating Expenses 2.20%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $223 $688 $1,180 $2,534

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 76% of the average value of its portfolio.
Portfolio Turnover, Rate 76.00%
PFG Meeder Tactical Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial intermediary and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees(1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 1.11%
Total Annual Fund Operating Expenses 3.06%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $309 $945 $1,606 $3,374

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 16% of the average value of its portfolio.
Portfolio Turnover, Rate 16.00%
PFG Janus Henderson® Tactical Income Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial intermediary and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees(1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.50%
Total Annual Fund Operating Expenses 2.45%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $248 $764 $1,306 $2,786

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 27% of the average value of its portfolio.
Portfolio Turnover, Rate 27.00%
PFG PIMCO Active Core Bond Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial intermediary and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees(1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.73%
Total Annual Fund Operating Expenses 2.68%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $271 $832 $1,420 $3,012

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 15% of the average value of its portfolio.
Portfolio Turnover, Rate 15.00%
PFG Global Equity Index Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy and hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial professional and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees(1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.04%
Total Annual Fund Operating Expenses 1.99%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund.

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $202 $624 $1,073 $2,317

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 15% of the average value of its portfolio.
Portfolio Turnover, Rate 15.00%
PFG US Equity Index Strategy Fund  
Prospectus [Line Items]  
Expense Heading [Optional Text] Fees and Expenses of the Fund:
Expense Narrative [Text Block]

This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. More information about these fees and expenses is available from your financial intermediary and in How to Purchase Shares on page 113 of the Fund’s Prospectus.

 
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund
Shareholder Fees Caption [Optional Text] Shareholder Fees (fees paid directly from your investment)
Shareholder Fees [Table]
Shareholder Fees
(fees paid directly from your investment)		 Class I
Maximum Sales Charge (Load) Imposed on purchases
(as a percentage of offering price)		 None
Maximum Deferred Sales Charge (Load)
(as a % of the original purchase price)		 None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends and Other Distributions None
Redemption Fee
(as a percentage of amount redeemed)		 None
Operating Expenses Caption [Optional Text] Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Annual Fund Operating Expenses [Table]
Annual Fund Operating Expenses
(expenses that you pay each year as a percentage of the value of your investment)		  
Management Fees(1) 1.25%
Distribution and Services (12b-1) Fees 0.00%
Other Expenses (Administrative Services Fee) 0.70%
Acquired Fund Fees and Expenses(2) 0.05%
Total Annual Fund Operating Expenses 2.00%

 

(1)Reflects the maximum management fee. Because the Fund is subject to a blended management fee schedule, the amount of the management fee paid by the Fund may be less than the maximum management fee.

 

(2)Acquired Fund Fees and Expenses are the indirect costs of investing in other investment companies, including exchange-traded funds. The operating expenses in this fee table will not correlate to the expense ratio in the Fund’s financial highlights because the financial statements include only the direct operating expenses incurred by the Fund

 
Expense Example [Heading] Example:
Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

 
Expense Example by, Year, Caption [Text] 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. Although your actual costs may be higher or lower, based upon these assumptions your costs would be:
Expense Example, With Redemption [Table]
Class 1 Year 3 Years 5 Years 10 Years
I $203 $627 $1,078 $2,327

 
Portfolio Turnover [Heading] Portfolio Turnover:
Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover 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. During the most recent fiscal period, the Fund’s portfolio turnover rate was 21% of the average value of its portfolio.
PFG US Equity Index Strategy Fund | PFG US Equity Index Strategy Fund Class I  
Prospectus [Line Items]  
Portfolio Turnover, Rate 21.00%