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Equity - Schedule of Number of RSUs Issued and Outstanding (Detail) - Restricted Stock Units [Member] - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Balance outstanding at beginning of year 20,720 15,977 10,403
Granted 12,748 10,848 9,303
Vested (6,818) (4,324) (2,435)
Forfeited (2,238) (1,781) (1,294)
Balance outstanding at end of year 24,412 20,720 15,977
Weighted-average grant date fair value per share - RSUs at beginning year $ 13.81 $ 16.49 $ 20.93
Granted 10.42 11.42 15.36
Vested 15.60 19.49 30.24
Forfeited 12.18 18.18 18.74
Weighted-average grant date fair value per share - RSUs at end of year $ 11.58 $ 13.81 $ 16.49