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Stock-Based Compensation - Summary of Nonvested Common Share and Common Share Unit Activity (Details)
shares in Thousands
 9 Months Ended
Sep. 30, 2023
$ / shares
shares
Nonvested Shares | Time and Performance- Based Share Awards  
Number of Shares  
Outstanding at beginning of year (in shares) | shares 647
Granted (in shares) | shares 300
Vested (in shares) | shares (103)
Forfeited (in shares) | shares 0
Outstanding at end of period (in shares) | shares 844
Weighted Average Grant Date Fair Value  
Outstanding at beginning of year (in dollars per share) | $ / shares $ 20.99
Granted (in dollars per share) | $ / shares 12.66
Vested (in dollars per share) | $ / shares 51.52
Forfeited (in dollars per share) | $ / shares 0
Outstanding at end of period (in dollars per share) | $ / shares $ 14.29
Nonvested Shares | Time-Based Share Awards  
Number of Shares  
Outstanding at beginning of year (in shares) | shares 138
Granted (in shares) | shares 75
Vested (in shares) | shares (64)
Forfeited (in shares) | shares 0
Outstanding at end of period (in shares) | shares 149
Weighted Average Grant Date Fair Value  
Outstanding at beginning of year (in dollars per share) | $ / shares $ 45.94
Granted (in dollars per share) | $ / shares 43.51
Vested (in dollars per share) | $ / shares 46.65
Forfeited (in dollars per share) | $ / shares 0
Outstanding at end of period (in dollars per share) | $ / shares $ 44.40
Share Units  
Number of Shares  
Outstanding at beginning of year (in shares) | shares 350
Granted (in shares) | shares 561
Vested (in shares) | shares (162)
Forfeited (in shares) | shares (15)
Outstanding at end of period (in shares) | shares 734
Weighted Average Grant Date Fair Value  
Outstanding at beginning of year (in dollars per share) | $ / shares $ 45.51
Granted (in dollars per share) | $ / shares 40.74
Vested (in dollars per share) | $ / shares 47.83
Forfeited (in dollars per share) | $ / shares 39.19
Outstanding at end of period (in dollars per share) | $ / shares $ 41.47
DEUs  
Number of Shares  
Outstanding at beginning of year (in shares) | shares 37
Granted (in shares) | shares 29
Vested (in shares) | shares (15)
Forfeited (in shares) | shares 0
Outstanding at end of period (in shares) | shares 51
Weighted Average Grant Date Fair Value  
Outstanding at beginning of year (in dollars per share) | $ / shares $ 40.86
Granted (in dollars per share) | $ / shares 44.18
Vested (in dollars per share) | $ / shares 40.29
Forfeited (in dollars per share) | $ / shares 41.30
Outstanding at end of period (in dollars per share) | $ / shares $ 42.92