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Share-Based Compensation - Restricted Stock (Details) - Restricted Stock
 3 Months Ended
Mar. 31, 2024
USD ($)
$ / shares
shares
Restricted Stock Activity  
Outstanding at the beginning of the period (in shares) | shares 16,248
Vested (in shares) | shares (10,115)
Forfeited (in shares) | shares (64)
Outstanding at the end of the period (in shares) | shares 6,069
Weighted-Average Grant-Date Fair Value  
Outstanding at the beginning of the period (in dollars per share) | $ / shares $ 88.63
Vested (in dollars per share) | $ / shares 90.00
Forfeited (in dollars per share) | $ / shares 90.00
Outstanding at the end of the period (in dollars per share) | $ / shares $ 86.32
Additional disclosures  
Total unrecognized compensation cost related to nonvested restricted stock and RSUs granted | $ $ 409,000
Weighted-average period over which unrecognized compensation cost is expected to be recognized 9 months 10 days
Total fair value of shares vested during the period | $ $ 852,000
Minimum  
Additional disclosures  
Vesting period 2 years
Maximum  
Additional disclosures  
Vesting period 4 years