Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2024	Nov. 08, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2024
Entity File Number	001-35467
Entity Registrant Name	Battalion Oil Corp
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	20-0700684
Entity Address, Address Line One	820 Gessner Road
Entity Address, Address Line Two	Suite 1100
Entity Address, City or Town	Houston
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77024
City Area Code	832
Local Phone Number	538-0300
Title of 12(b) Security	Common Stock, par value $0.0001
Trading Symbol	BATL
Security Exchange Name	NYSEAMER
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		16,456,563
Entity Central Index Key	0001282648
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q3
Amendment Flag	false