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Stock Incentive Plans (Tables)
12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Compensation Expense The following table summarizes compensation expense recognized for the periods presented (in thousands):
 Year Ended December 31,
 202120202019
Stock options$1,088 $— $— 
Restricted stock16,724 28,318 25,047 
Total compensation expense$17,812 $28,318 $25,047 
Summary of Non-Vested Restricted Stock Incentive Awards The following table summarizes information about non-vested restricted stock incentive awards as of and for the year ended December 31, 2021: 
 Restricted Stock
 Number of Shares (000's)Weighted-Average
Grant Date Fair Value
Non-vested at December 31, 2020
405 $69.35 
Vested(208)63.21 
Granted470 71.41 
Forfeited or expired(101)79.92 
Non-vested at December 31, 2021
566 $76.28