v3.26.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2026
Jun. 23, 2026
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Registrant Name EagleRock Land, LLC  
Central Index Key 0002104882  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Shell Company false  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity File Number 001-43288  
Entity Incorporation, State or Country Code TX  
Entity Tax Identification Number 41-3142321  
Entity Address, Address Line One 9655 Katy Freeway  
Entity Address, Address Line Two Suite 375  
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 280-7002  
Document Quarterly Report true  
Document Transition Report false  
Class A Shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   24,455,688
Class B Shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   105,164,311
New York Stock Exchange    
Document Information [Line Items]    
Title of 12(b) Security Class A shares representing limited liability company interests  
Trading Symbol EROK  
Security Exchange Name NYSE  
NYSE Texas, Inc.    
Document Information [Line Items]    
Title of 12(b) Security Class A shares representing limited liability company interests  
Trading Symbol EROK  
Security Exchange Name CHX