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Capital Stock - Narrative (Details)
 1 Months Ended 3 Months Ended 12 Months Ended
Jun. 10, 2022
$ / shares
May 06, 2022
USD ($)
$ / shares
Apr. 30, 2022
USD ($)
shares
Mar. 31, 2022
USD ($)
vote
$ / shares
shares
Dec. 31, 2021
$ / shares
shares
Sep. 30, 2021
$ / shares
Jun. 30, 2021
$ / shares
Mar. 31, 2021
$ / shares
Dec. 31, 2021
$ / shares
shares
May 31, 2021
USD ($)
Dividends Payable [Line Items]                    
Common shares, authorized (in shares) | shares       233,333,000 233,333,000       233,333,000  
Number of votes per share | vote       1            
Maximum percent of individual ownership       9.50%            
Minimum number of votes per share for other shareholders under 9.5% shareholder provision | vote       1            
Quarterly cash dividends declared (in dollars per share) | $ / shares       $ 0.20 $ 0.19 $ 0.18 $ 0.17 $ 0.16 $ 0.70  
Quarterly cash dividends paid (in dollars per share) | $ / shares       $ 0.20 $ 0.19 $ 0.18 $ 0.17 $ 0.16 $ 0.70  
Share repurchase approved amount                   $ 250,000,000
Stock repurchased (in shares) | shares       1,593,562            
Shares acquired and cancelled       $ 69,900,000            
Remaining authorized repurchase amount       $ 22,300,000            
Forecast                    
Dividends Payable [Line Items]                    
Quarterly cash dividends paid (in dollars per share) | $ / shares $ 0.21                  
Subsequent event                    
Dividends Payable [Line Items]                    
Quarterly cash dividends declared (in dollars per share) | $ / shares   $ 0.21                
Share repurchase approved amount   $ 250,000,000                
Stock repurchased (in shares) | shares     543,399              
Shares acquired and cancelled     $ 22,300,000