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Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Summary of Restricted Stock Units
The following table summarizes our RSU activity during the year ended December 31, 2021 (RSUs in thousands):
 No. of RSUsWeighted Average Grant Date Fair Value ($)
Nonvested as of December 31, 2020757 $19.97 
Granted168 32.92 
Vested(447)20.20 
Forfeited(2)26.83 
Nonvested as of December 31, 2021476 $24.29 
Summary of Performance Stock Units
The following table summarizes our PSU activity during the year ended December 31, 2021 (PSUs in thousands at their target values which assumes achievement of 100% of target):
No. of PSUsWeighted Average Grant Date Fair Value ($)
Nonvested as of December 31, 2020152 $13.66 
Granted74 32.82 
Vested— — 
Forfeited(28)13.66 
Nonvested as of December 31, 2021198 $20.80