DOCUMENT AND ENTITY INFORMATION - shares	3 Months Ended
	Mar. 31, 2019	May 07, 2019
Document and Entity Information [Abstract]
Entity Registrant Name	NORTHERN OIL & GAS, INC.
Entity Central Index Key	0001104485
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		382,198,300
Entity Emerging Growth Company	false
Entity Small Business	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2019