v3.26.1
Cover - shares
 6 Months Ended
Jun. 30, 2026
Jul. 31, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-41546  
Entity Registrant Name Vitesse Energy, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 88-3617511  
Entity Address, Address Line One 5619 DTC Parkway,  
Entity Address, Address Line Two Suite 700  
Entity Address, City or Town Greenwood Village,  
Entity Address, State or Province CO  
Entity Address, Postal Zip Code 80111  
City Area Code (720)  
Local Phone Number 361-2500  
Title of 12(b) Security Common Stock, par value $0.01  
Trading Symbol VTS  
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 true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   42,104,317
Entity Central Index Key 0001944558  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Current Fiscal Year End Date --12-31