Quarterly report pursuant to Section 13 or 15(d)


COVER PAGE - shares
3 Months Ended
Mar. 31, 2021
May 03, 2021
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2021  
Document Transition Report false  
Entity File Number 001-33999  
Entity Registrant Name NORTHERN OIL AND GAS, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 95-3848122  
Entity Address, Address Line One 601 Carlson Pkwy – Suite 990  
Entity Address, City or Town Minnetonka  
Entity Address, State or Province MN  
Entity Address, Postal Zip Code 55305  
City Area Code 952  
Local Phone Number 476-9800  
Title of 12(b) Security Common Stock, par value $0.001  
Trading Symbol NOG  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   60,402,965
Document Fiscal Period Focus Q1  
Amendment Flag false  
Document Fiscal Year Focus 2021  
Current Fiscal Year End Date --12-31  
Entity Central Index Key 0001104485