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Share-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Company's Nonvested Share Awards (RSUs) Activity
A summary of the Company’s restricted stock units activity and related information is as follows:
Nonvested Share Awards (RSUs)SharesWeighted Average Grant Date Fair ValueWeighted Average Remaining Contractual Life (Years)Aggregate Intrinsic Value
Nonvested at beginning of year854 $84.91 
Granted317 $127.21 
Vested(268)$92.82 
Forfeited(74)$91.47 
Nonvested at end of year829 $98.25 2.0$116,171 
Schedule of Company's Share-Based Compensation Activity and Related Information
A summary of the Company’s stock appreciation rights activity and related information is as follows:
Stock Appreciation Rights (SARs)SharesWeighted Average Exercise PriceWeighted Average Remaining Contractual Life (Years)Aggregate Intrinsic Value
Outstanding at beginning of year1,787 $88.95 
Granted— $— 
Exercised(1,144)$87.86 
Forfeited(9)$87.88 
Outstanding at end of year634 $90.93 3.0$31,235 
Exercisable at end of year634 $90.93 3.0$31,235