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Summary of Company's RSU Activity (Detail) - Restricted Stock Units and Performance Stock Units
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2021
USD ($)
$ / shares
shares
Number of Shares  
Outstanding, Begining Balance | shares 2,207,247
Granted | shares 1,713,829
Vested | shares (491,813)
Cancelled/forfeited | shares (748,473)
Outstanding, Ending Balance | shares 2,680,790
Weighted Average Grant Date Fair Value  
Weighted Average Grant Date Fair Value , Begining Balance | $ / shares $ 33.81
Weighted Average Grant Date Fair Value, Granted | $ / shares 35.84
Weighted Average Grant Date Fair Value, Vested | $ / shares 30.10
Weighted Average Grant Date Fair Value, Cancelled/forfeited | $ / shares 38.74
Weighted Average Grant Date Fair Value, Ending Balance | $ / shares $ 34.41
Aggregate Intrinsic Value  
Aggregate Intrinsic Value, Outstanding | $ $ 62,570