XML 34 R1.htm IDEA: XBRL DOCUMENT v3.26.1
Cover Page - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Mar. 28, 2026
Jun. 30, 2025
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-41489    
Entity Registrant Name ENCORE ENERGY CORP.    
Entity Incorporation, State or Country Code A1    
Entity Address, Address Line One One Galleria Tower    
Entity Address, Address Line Two 13355 Noel Rd    
Entity Address, Address Line Three Suite 1700    
Entity Address, City or Town Dallas    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 75240    
City Area Code 361    
Local Phone Number 239-2025    
Title of 12(b) Security Common Shares, no par value    
Trading Symbol EU    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
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    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 523.2
Entity Common Stock, Shares Outstanding   194,216,153  
Documents Incorporated by Reference Portions of the proxy statement for the registrant’s 2026 Annual Meeting of Shareholders are incorporated by reference in Part III of this Annual Report on Form 10-K.    
Entity Central Index Key 0001500881    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment flag false