XML 16 R1.htm IDEA: XBRL DOCUMENT v3.25.1
Cover - shares
 3 Months Ended
Mar. 31, 2025
May 09, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2025  
Document Transition Report false  
Entity File Number 001-42499  
Registrant Name INFINITY NATURAL RESOURCES, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 99-3407012  
Entity Address, Address Line One 2605 Cranberry Square  
Entity Address, City or Town Morgantown  
Entity Address, State or Province WV  
Entity Address, Postal Zip Code 26508  
City Area Code 304  
Local Phone Number 212-2350  
Title of 12(b) Security Class A common stock, par value $0.01 per share  
Trading Symbol INR  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Central Index Key 0002029118  
Amendment Flag false  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2025  
Current Fiscal Year End Date --12-31  
Class A    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   15,237,500
Class B    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   45,638,889