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Stock-Based Compensation Plans - Performance Share Awards (Details) - Performance share awards
12 Months Ended
Dec. 31, 2023
$ / shares
shares
Outstanding Performance Share Awards  
Unvested, beginning balance (in shares) | shares 72,161
Granted (in shares) | shares 121,844
Vested (in shares) | shares (25,723)
Forfeited (in shares) | shares 0
Unvested, ending balance (in shares) | shares 168,282
Weighted Average Grant Date Fair Value  
Unvested, beginning balance (in dollars per share) | $ / shares $ 42.88
Granted (in dollars per share) | $ / shares 42.23
Vested (in dollars per share) | $ / shares 42.83
Forfeited (in dollars per share) | $ / shares 0
Unvested, ending balance (in dollars per share) | $ / shares $ 42.41