v3.26.1
Document And Entity Information - shares
 6 Months Ended
Jun. 30, 2026
Aug. 06, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-39464  
Entity Registrant Name HighPeak Energy, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 84-3533602  
Entity Address, Address Line One 421 W. 3rd St., Suite 1000  
Entity Address, Postal Zip Code 76102  
Entity Address, City or Town Fort Worth  
Entity Address, State or Province TX  
City Area Code 817  
Local Phone Number 850-9200  
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Trading Symbol HPK  
Security Exchange Name NASDAQ  
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 (in shares)   126,452,804
Entity Central Index Key 0001792849  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Amendment Flag false