v3.26.1
Share Capital (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
May 11, 2026
Feb. 03, 2026
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Sep. 29, 2025
Class Of Stock [Line Items]            
Common stock, shares authorized     750,000,000      
Common stock, par value     $ 0.01      
Preferred stock, shares authorized     25,000,000      
Preferred stock, par value     $ 0.01      
Preferred stock, shares outstanding     0      
Common shares purchased, shares     1,500,000   7,800,000  
Common shares purchased, value     $ 84,000      
Dividends on common shares     $ 85,000 $ 78,000    
Common stock, dividends, per share, paid     $ 0.3 $ 0.3    
Common stock, dividends, per share, declared     $ 0.3 $ 0.3    
Share capital     $ 1,277,000      
PSU and RSU [Member]            
Class Of Stock [Line Items]            
Share based compensation arrangement by share based payment award equity instruments other than options grants vested in period     800,000   700,000  
Share Capital [Member]            
Class Of Stock [Line Items]            
Common shares purchased, value     $ 0   $ 0  
Dividends on common shares     0 $ 0    
Share capital     0   $ 0  
Share Capital [Member] | NuVista Acquisition [Member]            
Class Of Stock [Line Items]            
Number of shares issued   30,100,000        
Share Capital [Member] | Permian Acquisition [Member]            
Class Of Stock [Line Items]            
Share capital   $ 301        
Paid in Surplus [Member]            
Class Of Stock [Line Items]            
Common shares purchased, value     84,000      
Dividends on common shares     0 $ 0    
Share capital     $ 1,277,000      
Paid in Surplus [Member] | Permian Acquisition [Member]            
Class Of Stock [Line Items]            
Share capital   $ 1,277,000        
Subsequent Event [Member]            
Class Of Stock [Line Items]            
Common stock, dividends, per share, declared $ 0.30          
Normal Course Issuer Bid [Member]            
Class Of Stock [Line Items]            
Common shares purchased, shares     1,500,000   7,800,000  
Common shares purchased, value     $ 84,000   $ 307,000  
Normal Course Issuer Bid [Member] | Share Capital [Member]            
Class Of Stock [Line Items]            
Common shares purchased, value     15,000   78  
Normal Course Issuer Bid [Member] | Paid in Surplus [Member]            
Class Of Stock [Line Items]            
Common shares purchased, value     $ 84,000   $ 307,000  
Normal Course Issuer Bid [Member] | Maximum [Member]            
Class Of Stock [Line Items]            
Stock repurchase program, number of shares authorized to be repurchased           22,300,000
Quarterly Cash Dividend Q1 2026 [Member] | Subsequent Event [Member]            
Class Of Stock [Line Items]            
Dividends payable, date declared May 11, 2026          
Dividends payable, date to be paid Jun. 30, 2026          
Dividends payable, date of record Jun. 15, 2026