XML 12 R1.htm IDEA: XBRL DOCUMENT v3.25.3
Document And Entity Information - shares
 9 Months Ended
Sep. 30, 2025
Nov. 12, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2025  
Document Transition Report false  
Entity File Number 0-7406  
Entity Registrant Name PrimeEnergy Resources Corporation  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 84-0637348  
Entity Address, Address Line One 9821 Katy Freeway  
Entity Address, City or Town Houston  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 77024  
City Area Code 713  
Local Phone Number 735-0000  
Title of 12(b) Security Common Stock, $0.10 par value  
Trading Symbol PNRG  
Security Exchange Name NASDAQ  
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 (in shares)   1,635,000
Entity Central Index Key 0000056868  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Amendment Flag false