Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity and Stock Compensation - Summary of Unvested Shares Related to the Plans (Detail)

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Stockholders' Equity and Stock Compensation - Summary of Unvested Shares Related to the Plans (Detail) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]      
Unvested, Shares, Beginning of Period 3,112,023 3,426,823 2,968,941
Granted, Shares 1,419,100 1,569,300 1,603,000
Vested/Released, Shares (1,252,108) (1,093,500) (1,116,868)
Cancelled, Shares (25,699) (790,600) (28,250)
Unvested, Shares, End of Period 3,253,316 3,112,023 3,426,823
Unvested, Weighted Average Grant-Date Fair Value, Beginning of Period $ 35.06 $ 32.55 $ 34.79
Granted, Weighted Average Grant-Date Fair Value 43.46 37.45 28.45
Vested/Released, Weighted Average Grant-Date Fair Value 34.36 32.64 32.46
Cancelled, Weighted Average Grant-Date Fair Value 39.01 32.23 39.40
Unvested, Weighted Average Grant-Date Fair Value, End of Period $ 38.97 $ 35.06 $ 32.55