v3.26.1
Shareholder Report
6 Months Ended
Mar. 31, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Northern Lights Fund Trust
Entity Central Index Key 0001314414
Entity Investment Company Type N-1A
Document Period End Date Mar. 31, 2026
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
C000255862  
Shareholder Report [Line Items]  
Fund Name Grant Park Dynamic Allocation Fund
Class Name Class A Shares
Trading Symbol GPKAX
Additional Information Phone Number 1-855-501-4758
Additional Information Website https://www.grantparkfunds.com/funds/dynamic-allocation-fund
Expenses [Text Block]

What were the Fund’s costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class A Shares
$93
1.83%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 93
Expense Ratio, Percent 1.83% [1]
AssetsNet $ 66,496,250
Holdings Count | Holding 9
Advisory Fees Paid, Amount $ 286,735
InvestmentCompanyPortfolioTurnover 160.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Table Summary
Net Assets
$66,496,250
Number of Portfolio Holdings
9
Advisory Fee (net of waivers)
$286,735
Portfolio Turnover
160%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Exchange-Traded Funds
26.3%
Money Market Funds
49.1%
U.S. Government & Agencies
24.6%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
8.8%
Commodity
8.6%
Equity
15.4%
U.S. Treasury Obligations
22.4%
Money Market Funds
44.8%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF
8.6%
United States Treasury Bill, 3.420%, 04/14/26
7.5%
United States Treasury Bill, 3.610%, 05/14/26
7.5%
United States Treasury Bill, 3.620%, 06/11/26
7.5%
Vanguard FTSE Emerging Markets ETF
6.2%
Vanguard FTSE Developed Markets ETF
5.2%
Vanguard Real Estate ETF
4.1%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended March 31, 2026. 

C000255863  
Shareholder Report [Line Items]  
Fund Name Grant Park Dynamic Allocation Fund
Class Name Class I Shares
Trading Symbol GPKIX
Additional Information Phone Number 1-855-501-4758
Additional Information Website https://www.grantparkfunds.com/funds/dynamic-allocation-fund
Expenses [Text Block]

What were the Fund’s costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class I Shares
$81
1.58%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 81
Expense Ratio, Percent 1.58% [2]
AssetsNet $ 66,496,250
Holdings Count | Holding 9
Advisory Fees Paid, Amount $ 286,735
InvestmentCompanyPortfolioTurnover 160.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Table Summary
Net Assets
$66,496,250
Number of Portfolio Holdings
9
Advisory Fee (net of waivers)
$286,735
Portfolio Turnover
160%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Exchange-Traded Funds
26.3%
Money Market Funds
49.1%
U.S. Government & Agencies
24.6%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
8.8%
Commodity
8.6%
Equity
15.4%
U.S. Treasury Obligations
22.4%
Money Market Funds
44.8%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF
8.6%
United States Treasury Bill, 3.420%, 04/14/26
7.5%
United States Treasury Bill, 3.610%, 05/14/26
7.5%
United States Treasury Bill, 3.620%, 06/11/26
7.5%
Vanguard FTSE Emerging Markets ETF
6.2%
Vanguard FTSE Developed Markets ETF
5.2%
Vanguard Real Estate ETF
4.1%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended March 31, 2026. 

C000134834  
Shareholder Report [Line Items]  
Fund Name Grant Park Multi Alternative Strategies Fund
Class Name Class A Shares
Trading Symbol GPAAX
Additional Information Phone Number 1-855-501-4758
Additional Information Website https://www.grantparkfunds.com/funds/multi-alternative-strategies-fund
Expenses [Text Block]

What were the Fund’s costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class A Shares
$88
1.73%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 88
Expense Ratio, Percent 1.73% [3]
AssetsNet $ 318,513,184
Holdings Count | Holding 33
Advisory Fees Paid, Amount $ 1,846,558
InvestmentCompanyPortfolioTurnover 14.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Table Summary
Net Assets
$318,513,184
Number of Portfolio Holdings
33
Advisory Fee
$1,846,558
Portfolio Turnover
14%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Bonds & Notes
36.5%
Exchange-Traded Funds
14.1%
Money Market Funds
39.9%
U.S. Government & Agencies
9.5%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
4.2%
CMO
0.5%
Fixed Income
1.0%
Commodity
3.3%
U.S. Treasury Obligations
9.1%
Equity
9.2%
Agency
34.5%
Money Market Funds
38.2%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
Federal Home Loan Banks, 2.000%, 02/25/28
4.6%
Federal Home Loan Banks, 2.000%, 07/21/26
4.4%
Federal National Mortgage Association, 0.850%, 06/30/26
4.1%
Federal Home Loan Banks, 2.500%, 06/30/26
3.1%
Federal Home Loan Mortgage Corporation, 0.700%, 08/19/26
3.1%
Federal Home Loan Banks, 1.750%, 06/30/27
3.1%
Federal Home Loan Banks, 2.000%, 01/28/28
3.1%
Federal Home Loan Banks, 2.000%, 02/24/28
3.1%
Federal Home Loan Banks, 2.000%, 08/24/28
3.0%
Federal Home Loan Banks, 1.750%, 08/16/28
3.0%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended March 31, 2026. 

C000134835  
Shareholder Report [Line Items]  
Fund Name Grant Park Multi Alternative Strategies Fund
Class Name Class C Shares
Trading Symbol GPACX
Additional Information Phone Number 1-855-501-4758
Additional Information Website https://www.grantparkfunds.com/funds/multi-alternative-strategies-fund
Expenses [Text Block]

What were the Fund’s costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class C Shares
$126
2.48%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 126
Expense Ratio, Percent 2.48% [4]
AssetsNet $ 318,513,184
Holdings Count | Holding 33
Advisory Fees Paid, Amount $ 1,846,558
InvestmentCompanyPortfolioTurnover 14.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Table Summary
Net Assets
$318,513,184
Number of Portfolio Holdings
33
Advisory Fee
$1,846,558
Portfolio Turnover
14%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Bonds & Notes
36.5%
Exchange-Traded Funds
14.1%
Money Market Funds
39.9%
U.S. Government & Agencies
9.5%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
4.2%
CMO
0.5%
Fixed Income
1.0%
Commodity
3.3%
U.S. Treasury Obligations
9.1%
Equity
9.2%
Agency
34.5%
Money Market Funds
38.2%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
Federal Home Loan Banks, 2.000%, 02/25/28
4.6%
Federal Home Loan Banks, 2.000%, 07/21/26
4.4%
Federal National Mortgage Association, 0.850%, 06/30/26
4.1%
Federal Home Loan Banks, 2.500%, 06/30/26
3.1%
Federal Home Loan Mortgage Corporation, 0.700%, 08/19/26
3.1%
Federal Home Loan Banks, 1.750%, 06/30/27
3.1%
Federal Home Loan Banks, 2.000%, 01/28/28
3.1%
Federal Home Loan Banks, 2.000%, 02/24/28
3.1%
Federal Home Loan Banks, 2.000%, 08/24/28
3.0%
Federal Home Loan Banks, 1.750%, 08/16/28
3.0%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended March 31, 2026. 

C000134836  
Shareholder Report [Line Items]  
Fund Name Grant Park Multi Alternative Strategies Fund
Class Name Class I Shares
Trading Symbol GPAIX
Additional Information Phone Number 1-855-501-4758
Additional Information Website https://www.grantparkfunds.com/funds/multi-alternative-strategies-fund
Expenses [Text Block]

What were the Fund’s costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class I Shares
$76
1.48%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 76
Expense Ratio, Percent 1.48% [5]
AssetsNet $ 318,513,184
Holdings Count | Holding 33
Advisory Fees Paid, Amount $ 1,846,558
InvestmentCompanyPortfolioTurnover 14.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Table Summary
Net Assets
$318,513,184
Number of Portfolio Holdings
33
Advisory Fee
$1,846,558
Portfolio Turnover
14%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Bonds & Notes
36.5%
Exchange-Traded Funds
14.1%
Money Market Funds
39.9%
U.S. Government & Agencies
9.5%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
4.2%
CMO
0.5%
Fixed Income
1.0%
Commodity
3.3%
U.S. Treasury Obligations
9.1%
Equity
9.2%
Agency
34.5%
Money Market Funds
38.2%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
Federal Home Loan Banks, 2.000%, 02/25/28
4.6%
Federal Home Loan Banks, 2.000%, 07/21/26
4.4%
Federal National Mortgage Association, 0.850%, 06/30/26
4.1%
Federal Home Loan Banks, 2.500%, 06/30/26
3.1%
Federal Home Loan Mortgage Corporation, 0.700%, 08/19/26
3.1%
Federal Home Loan Banks, 1.750%, 06/30/27
3.1%
Federal Home Loan Banks, 2.000%, 01/28/28
3.1%
Federal Home Loan Banks, 2.000%, 02/24/28
3.1%
Federal Home Loan Banks, 2.000%, 08/24/28
3.0%
Federal Home Loan Banks, 1.750%, 08/16/28
3.0%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended March 31, 2026. 

C000134837  
Shareholder Report [Line Items]  
Fund Name Grant Park Multi Alternative Strategies Fund
Class Name Class N Shares
Trading Symbol GPANX
Additional Information Phone Number 1-855-501-4758
Additional Information Website https://www.grantparkfunds.com/funds/multi-alternative-strategies-fund
Expenses [Text Block]

What were the Fund’s costs for the last six months?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Class N Shares
$88
1.73%Footnote Reference*
FootnoteDescription
Footnote*
Annualized
Expenses Paid, Amount $ 88
Expense Ratio, Percent 1.73% [6]
AssetsNet $ 318,513,184
Holdings Count | Holding 33
Advisory Fees Paid, Amount $ 1,846,558
InvestmentCompanyPortfolioTurnover 14.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Table Summary
Net Assets
$318,513,184
Number of Portfolio Holdings
33
Advisory Fee
$1,846,558
Portfolio Turnover
14%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Bonds & Notes
36.5%
Exchange-Traded Funds
14.1%
Money Market Funds
39.9%
U.S. Government & Agencies
9.5%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
4.2%
CMO
0.5%
Fixed Income
1.0%
Commodity
3.3%
U.S. Treasury Obligations
9.1%
Equity
9.2%
Agency
34.5%
Money Market Funds
38.2%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
Federal Home Loan Banks, 2.000%, 02/25/28
4.6%
Federal Home Loan Banks, 2.000%, 07/21/26
4.4%
Federal National Mortgage Association, 0.850%, 06/30/26
4.1%
Federal Home Loan Banks, 2.500%, 06/30/26
3.1%
Federal Home Loan Mortgage Corporation, 0.700%, 08/19/26
3.1%
Federal Home Loan Banks, 1.750%, 06/30/27
3.1%
Federal Home Loan Banks, 2.000%, 01/28/28
3.1%
Federal Home Loan Banks, 2.000%, 02/24/28
3.1%
Federal Home Loan Banks, 2.000%, 08/24/28
3.0%
Federal Home Loan Banks, 1.750%, 08/16/28
3.0%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred during the period ended March 31, 2026. 

[1] Annualized
[2] Annualized
[3] Annualized
[4] Annualized
[5] Annualized
[6] Annualized