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Share-Based Compensation - Schedule of Performance Stock Units ("PSUs") (Detail) - Performance Stock Units ("PSUs") [Member] - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Number of Shares, Beginning balance 1,078,555 574,797 537,936
Number of Shares, Granted 327,416 1,641,117 314,858
Number of Shares, Vested (428,255) (973,891) (277,325)
Number of Shares, Forfeited (5,642) (163,468) (672)
Number of Shares, Ending balance 972,074 1,078,555 574,797
Weighted Average Grant Date Fair Value, Beginning balance $ 18.70 $ 32.82 $ 31.16
Weighted Average Grant Date Fair Value, Granted 27.16 14.39 34.28
Weighted Average Grant Date Fair Value, Vested 16.33 20.00 31.25
Weighted Average Grant Date Fair Value, Forfeited 20.29 17.34 42.05
Weighted Average Grant Date Fair Value, Ending balance $ 22.59 $ 18.70 $ 32.82