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Stock-Based Compensation - Schedule of Information Related to Outstanding SOSARS (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Shares      
Exercised (in shares) 0 (10,000) (101,000)
Stock Only Stock Appreciation Rights (SOSARs)      
Shares      
Beginning Balance, Outstanding (in shares) 1,082,413,000 1,291,947,000 2,334,742,000
Granted (in shares) 0 0 0
Exercised (in shares) (3,300,000) (58,460,000) (596,360,000)
Canceled / forfeited (in shares) 0 (151,074,000) (446,435,000)
Ending Balance, Outstanding (in shares) 1,079,113,000 1,082,413,000 1,291,947,000
Ending balance, exercisable (in shares) 1,079,113,000 1,082,413,000 1,291,947,000
Vested and expected to vest (in shares) 1,079,113,000 1,082,413,000 1,291,947,000
Compensation expense $ 0 $ 0 $ 40
Wtd Avg Exercise Price      
Beginning balance (in dollars per share) $ 20.40 $ 20.05 $ 18.08
Granted (in dollars per share) 0 0 0
Exercised (in dollars per share) 15.61 12.85 15.56
Canceled / forfeited (in dollars per share) 0 20.25 21.06
Ending balance (in dollars per share) 20.42 20.40 20.05
Exercisable (in dollars per share) $ 20.42 $ 20.40 $ 20.05