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Share and Unit-based Plans - Directors' Phantom Stock Plan (Details)
 12 Months Ended
Dec. 31, 2024
$ / shares
shares
Dec. 31, 2023
$ / shares
shares
Dec. 31, 2022
$ / shares
shares
Phantom stock units      
Share and unit-based plans      
Number of common shares into which units can be converted (in shares) 1    
Units      
Balance at beginning of year (in shares) 17,043 34,039 0
Granted (in shares) 6,157 6,513 61,420
Vested (in shares) (19,290) (23,509) (27,381)
Forfeited (in shares) (3,910) 0 0
Balance at end of year (in shares) 0 17,043 34,039
Weighted Average Grant Date Fair Value      
Balance at beginning of year (in dollars per share) | $ / shares $ 14.19 $ 14.19 $ 0
Granted (in dollars per share) | $ / shares 16.01 11.48 14.35
Vested (in dollars per share) | $ / shares 17.65 13.44 14.55
Forfeited (in dollars per share) | $ / shares 16.43 0 0
Balance at end of year (in dollars per share) | $ / shares $ 0 $ 14.19 $ 14.19
Director's Phantom Stock Plan      
Share and unit-based plans      
Deferral period for grant of units (in years) 3 years    
Number of common shares into which units can be converted (in shares) 1    
Maximum shares authorized under plan (in shares) 650,000    
Shares available for issuance under plan (in shares) 169,758