v3.26.1
Shareholder Report
 12 Months Ended
Feb. 28, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSR
Amendment Flag false
Registrant Name Northern Lights Fund Trust IV
Entity Central Index Key 0001644419
Entity Investment Company Type N-1A
Document Period End Date Feb. 28, 2026
Shareholder Report Annual or Semi-Annual Annual Shareholder Report
C000226137  
Shareholder Report [Line Items]  
Fund Name Monarch Ambassador Income Index ETF
Trading Symbol MAMB
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about Monarch Ambassador Income Index ETF for the period of March 1, 2025 to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.monarchfunds.com/resources. You can also request this information by contacting us at 1-541-291-4405.
Additional Information Phone Number 1-541-291-4405
Additional Information Website https://www.monarchfunds.com/resources
Expenses [Text Block]

What were the Fund’s costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Monarch Ambassador Income Index ETF
$107
1.01%
Expenses Paid, Amount $ 107
Expense Ratio, Percent 1.01%
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.
Performance Inception Date Mar. 23, 2021
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.
AssetsNet $ 173,148,502
Holdings Count | Holding 10
Advisory Fees Paid, Amount $ 1,176,779
InvestmentCompanyPortfolioTurnover 46.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Table Summary
Net Assets
$173,148,502
Number of Portfolio Holdings
10
Advisory Fee
$1,176,779
Portfolio Turnover
46%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Exchange-Traded Funds
100.0%

Asset Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
0.2%
Commodity
6.4%
Fixed Income
93.4%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
iShares MBS ETF
18.7%
iShares iBoxx $ Investment Grade Corporate Bond ETF
16.2%
iShares 7-10 Year Treasury Bond ETF
13.8%
iShares Core U.S. Aggregate Bond ETF
12.4%
iShares 1-3 Year Treasury Bond ETF
11.1%
iShares Gold Trust
6.4%
iShares 20+ Year Treasury Bond ETF
6.3%
Invesco Taxable Municipal Bond ETF
6.2%
SPDR Bloomberg Convertible Securities ETF
6.2%
SPDR Portfolio Short Term Corporate Bond ETF
2.5%
C000226138  
Shareholder Report [Line Items]  
Fund Name Monarch Blue Chips Core Index ETF
Trading Symbol MBCC
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about Monarch Blue Chips Core Index ETF for the period of March 1, 2025 to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.monarchfunds.com/resources. You can also request this information by contacting us at 1-541-291-4405.
Additional Information Phone Number 1-541-291-4405
Additional Information Website https://www.monarchfunds.com/resources
Expenses [Text Block]

What were the Fund’s costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Monarch Blue Chips Core Index ETF
$103
1.01%
Expenses Paid, Amount $ 103
Expense Ratio, Percent 1.01%
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.
Performance Inception Date Mar. 23, 2021
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.
AssetsNet $ 152,543,031
Holdings Count | Holding 24
Advisory Fees Paid, Amount $ 1,121,163
InvestmentCompanyPortfolioTurnover 73.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Table Summary
Net Assets
$152,543,031
Number of Portfolio Holdings
24
Advisory Fee
$1,121,163
Portfolio Turnover
73%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Common Stocks
100.0%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
0.2%
Financials
3.7%
Real Estate
8.8%
Industrials
9.4%
Communications
11.3%
Consumer Discretionary
12.1%
Health Care
12.5%
Consumer Staples
14.2%
Technology
27.8%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
Texas Instruments, Inc.
5.2%
Philip Morris International, Inc.
4.9%
Walmart, Inc.
4.8%
General Electric Company
4.7%
Emerson Electric Company
4.7%
Amgen, Inc.
4.6%
Costco Wholesale Corporation
4.5%
Simon Property Group, Inc.
4.5%
McDonald's Corporation
4.5%
American Tower Corporation
4.4%
S000246990  
Shareholder Report [Line Items]  
Fund Name Monarch Dividend Plus Index ETF
Trading Symbol MDPL
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about Monarch Dividend Plus Index ETF for the period of March 1, 2025 to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.monarchfunds.com/resources. You can also request this information by contacting us at 1-541-291-4405.
Additional Information Phone Number 1-541-291-4405
Additional Information Website https://www.monarchfunds.com/resources
Expenses [Text Block]

What were the Fund’s costs for the reporting period?

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Monarch Dividend Plus Index ETF
$122
1.19%
Expenses Paid, Amount $ 122
Expense Ratio, Percent 1.19%
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.
Performance Inception Date Mar. 06, 2024
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.
AssetsNet $ 58,817,902
Holdings Count | Holding 30
Advisory Fees Paid, Amount $ 473,707
InvestmentCompanyPortfolioTurnover 89.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Table Summary
Net Assets
$58,817,902
Number of Portfolio Holdings
30
Advisory Fee
$473,707
Portfolio Turnover
89%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Common Stocks
100.0%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
0.5%
Materials
3.2%
Energy
6.6%
Communications
6.8%
Industrials
9.8%
Consumer Staples
13.1%
Health Care
13.2%
Financials
16.6%
Technology
30.2%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
FactSet Research Systems, Inc.
3.7%
Nexstar Media Group, Inc.
3.6%
SS&C Technologies Holdings, Inc.
3.5%
Marsh & McLennan Companies, Inc.
3.4%
Cigna Group (The)
3.4%
Brown & Brown, Inc.
3.4%
Booz Allen Hamilton Holding Corporation
3.4%
Genpact Ltd.
3.4%
General Mills, Inc.
3.3%
Merck & Company, Inc.
3.3%
C000226139  
Shareholder Report [Line Items]  
Fund Name Monarch ProCap Index ETF
Trading Symbol MPRO
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about Monarch ProCap Index ETF for the period of March 1, 2025 to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.monarchfunds.com/resources. You can also request this information by contacting us at 1-541-291-4405.
Additional Information Phone Number 1-541-291-4405
Additional Information Website https://www.monarchfunds.com/resources
Expenses [Text Block]

What were the Fund’s costs for the last year?

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Monarch ProCap Index ETF
$104
0.97%
Expenses Paid, Amount $ 104
Expense Ratio, Percent 0.97%
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.
Performance Inception Date Mar. 23, 2021
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.
AssetsNet $ 250,492,723
Holdings Count | Holding 9
Advisory Fees Paid, Amount $ 1,899,326
InvestmentCompanyPortfolioTurnover 75.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Table Summary
Net Assets
$250,492,723
Number of Portfolio Holdings
9
Advisory Fee
$1,899,326
Portfolio Turnover
75%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Exchange-Traded Funds
100.0%

Asset Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
0.1%
Equity
49.9%
Fixed Income
50.0%

Top Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
iShares Core U.S. Aggregate Bond ETF
50.0%
State Street Health Care Select Sector SPDR ETF
10.2%
State Street Communication Services Select Sector SPDR ETF
10.0%
State Street Consumer Staples Select Sector SPDR ETF
5.1%
State Street Real Estate Select Sector SPDR ETF
5.1%
State Street Industrial Select Sector SPDR ETF
5.0%
State Street Consumer Discretionary Select Sector SPDR ETF
4.9%
State Street Technology Select Sector SPDR ETF
4.8%
State Street Financial Select Sector SPDR ETF
4.8%
C000246991  
Shareholder Report [Line Items]  
Fund Name Monarch Select Subsector Index ETF
Trading Symbol MSSS
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about Monarch Select Subsector Index ETF for the period of March 1, 2025 to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.monarchfunds.com/resources. You can also request this information by contacting us at 1-541-291-4405.
Additional Information Phone Number 1-541-291-4405
Additional Information Website https://www.monarchfunds.com/resources
Expenses [Text Block]

What were the Fund’s costs for the reporting period?

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Monarch Select Subsector Index ETF
$116
1.08%
Expenses Paid, Amount $ 116
Expense Ratio, Percent 1.08%
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.
Performance Inception Date Mar. 06, 2024
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.
AssetsNet $ 125,113,913
Holdings Count | Holding 10
Advisory Fees Paid, Amount $ 892,900
InvestmentCompanyPortfolioTurnover 127.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Table Summary
Net Assets
$125,113,913
Number of Portfolio Holdings
10
Advisory Fee
$892,900
Portfolio Turnover
127%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Exchange-Traded Funds
100.0%

Asset Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
0.2%
Equity
99.8%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
SPDR S&P Aerospace & Defense ETF
10.3%
iShares U.S. Healthcare Providers ETF
10.3%
Invesco KBW Property & Casualty ETF
10.2%
iShares U.S. Medical Devices ETF
10.2%
SPDR S&P Insurance ETF
10.0%
State Street Communication Services Select Sector SPDR ETF
9.9%
Invesco Leisure & Entertainment ETF
9.9%
SPDR S&P Pharmaceuticals ETF
9.9%
State Street SPDR S&P Semiconductor ETF
9.7%
SPDR S&P Software & Services ETF
9.4%
C000246992  
Shareholder Report [Line Items]  
Fund Name Monarch Volume Factor Dividend Tree Index ETF
Trading Symbol MVFD
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about Monarch Volume Factor Dividend Tree Index ETF for the period of March 1, 2025 to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.monarchfunds.com/resources. You can also request this information by contacting us at 1-541-291-4405.
Additional Information Phone Number 1-541-291-4405
Additional Information Website https://www.monarchfunds.com/resources
Expenses [Text Block]

What were the Fund’s costs for the reporting period?

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Monarch Volume Factor Dividend Tree Index ETF
$119
1.10%
Expenses Paid, Amount $ 119
Expense Ratio, Percent 1.10%
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.
Performance Inception Date Mar. 06, 2024
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.
AssetsNet $ 99,079,890
Holdings Count | Holding 39
Advisory Fees Paid, Amount $ 647,675
InvestmentCompanyPortfolioTurnover 321.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Table Summary
Net Assets
$99,079,890
Number of Portfolio Holdings
39
Advisory Fee
$647,675
Portfolio Turnover
321%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Common Stocks
100.0%

Sector Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
0.5%
Health Care
2.8%
Materials
2.9%
Consumer Staples
5.2%
Energy
8.4%
Technology
13.0%
Industrials
19.4%
Financials
22.5%
Consumer Discretionary
25.3%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
Kulicke & Soffa Industries, Inc.
4.2%
International Seaways, Inc.
3.7%
Clear Secure, Inc., Class A
3.5%
Rush Enterprises, Inc., Class A
2.9%
DuPont de Nemours, Inc.
2.9%
Halliburton Company
2.9%
Snap-on, Inc.
2.9%
EnerSys
2.8%
Bristol-Myers Squibb Company
2.8%
Dell Technologies, Inc., Class C
2.7%
C000246993  
Shareholder Report [Line Items]  
Fund Name Monarch Volume Factor Global Unconstrained Index ETF
Trading Symbol MVFG
Security Exchange Name CboeBZX
Annual or Semi-Annual Statement [Text Block] This annual shareholder report contains important information about Monarch Volume Factor Global Unconstrained Index ETF for the period of March 1, 2025 to February 28, 2026.
Additional Information [Text Block] You can find additional information about the Fund at https://www.monarchfunds.com/resources. You can also request this information by contacting us at 1-541-291-4405.
Additional Information Phone Number 1-541-291-4405
Additional Information Website https://www.monarchfunds.com/resources
Expenses [Text Block]

What were the Fund’s costs for the reporting period?

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Monarch Volume Factor Global Unconstrained Index ETF
$121
1.03%
Expenses Paid, Amount $ 121
Expense Ratio, Percent 1.03%
Performance Past Does Not Indicate Future [Text] The Fund's past performance is not a good predictor of how the Fund will perform in the future.
Performance Inception Date Mar. 06, 2024
No Deduction of Taxes [Text Block] The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.
AssetsNet $ 147,976,181
Holdings Count | Holding 25
Advisory Fees Paid, Amount $ 939,734
InvestmentCompanyPortfolioTurnover 419.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

Table Summary
Net Assets
$147,976,181
Number of Portfolio Holdings
25
Advisory Fee
$939,734
Portfolio Turnover
419%
Holdings [Text Block]

Asset Weighting (% of total investments)

Group By Asset Type Chart
Table Summary
Value
Value
Exchange-Traded Funds
100.0%

Asset Weighting (% of net assets)

Group By Sector Chart
Table Summary
Value
Value
Other Assets in Excess of Liabilities
0.3%
Equity
99.7%

Top 10 Holdings (% of net assets)

Table Summary
Holding Name
% of Net Assets
Columbia EM Core ex-China ETF
4.4%
John Hancock Multifactor Emerging Markets ETF
4.3%
Vanguard FTSE All World ex-US Small-Cap ETF
4.2%
First Trust Dorsey Wright International Focus 5 ETF
4.2%
Fidelity International Value Factor ETF
4.1%
FlexShares International Quality Dividend Index Fund
4.1%
SPDR MSCI ACWI ex-US ETF
4.1%
Vanguard S&P Mid-Cap 400 Growth ETF
4.1%
iShares Currency Hedged MSCI ACWI ex U.S. ETF
4.1%
Xtrackers Russell US Multifactor ETF
4.1%