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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Summary of the Company's restricted stock activity
Presented below is a summary of the status of our restricted stock as of December 31, 2021, and 2020 and changes during the year ended December 31, 2021:
SharesWeighted Average
Grant Date Fair Value
Aggregate
Intrinsic Value
December 31, 20191,126,705 $46.55 
Granted280,830 51.61 
Vested(357,295)44.85 
Forfeited(22,505)46.08 
December 31, 20201,027,735 $47.75 $61.0 
Granted439,633 65.81 
Vested(355,697)50.85 
Forfeited(28,827)47.61 
December 31, 20211,082,844 $56.26 $116.1