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Share-Based Compensation - Stock Options (Details) - Employee Stock Option
 3 Months Ended
Mar. 31, 2026
USD ($)
$ / shares
shares
Share-Based Compensation  
Vesting percentage 25.00%
Vesting period 4 years
Expiration period 10 years
Granted (in shares) 0
Total unrecognized compensation cost related to non vested stock option grants | $ $ 0
Number of shares  
Outstanding at the beginning of the period (in shares) 28,815
Exercised (in shares) (6,018)
Expired (in shares) (278)
Outstanding at the end of the period (in shares) 22,519
Exercisable at the end of the period (in shares) 22,519
Weighted-Average Exercise Price  
Outstanding at the beginning of the period (in dollars per share) | $ / shares $ 61
Exercised (in dollars per share) | $ / shares 50.65
Expired (in dollars per share) | $ / shares 44.21
Outstanding at the end of the period (in dollars per share) | $ / shares 63.97
Exercisable at the end of the period (in dollars per share) | $ / shares $ 63.97
Outstanding, Weighted Average Remaining (Yrs.) 1 year 2 months 26 days
Exercisable, Weighted Average Remaining (Yrs.) 1 year 2 months 26 days
Aggregate Intrinsic Value  
Aggregate Intrinsic | $ $ 643,000
Exercisable at the end of the period | $ 643,000
Intrinsic value of stock option shares exercised | $ $ 301,000
2012 plan  
Share-Based Compensation  
Granted (in shares) 0