v3.25.2
Cover - shares
 6 Months Ended
Jun. 30, 2025
Aug. 01, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-15555  
Entity Registrant Name Riley Exploration Permian, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 87-0267438  
Entity Address, Address Line One 29 E. Reno Avenue  
Entity Address, Address Line Two Suite 500  
Entity Address, City or Town Oklahoma City  
Entity Address, State or Province OK  
Entity Address, Postal Zip Code 73104  
City Area Code 405  
Local Phone Number 415-8699  
Title of 12(b) Security Common stock, par value $0.001  
Trading Symbol REPX  
Security Exchange Name NYSEAMER  
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   22,042,244
Entity Central Index Key 0001001614  
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Current Fiscal Year End --12-31