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Stockholders' Equity - Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Numerator:    
Net income available to common shareholders $ 41,131 $ 71,211
Denominator:    
Basic weighted average shares outstanding 108,771,958 114,638,424
Effect of dilutive securities:    
Diluted weighted average shares outstanding 108,916,261 114,853,881
Basic earnings per share $ 0.38 $ 0.62
Diluted earnings per share $ 0.38 $ 0.62
Stock appreciation rights [Member]    
Effect of dilutive securities:    
Dilutive securities 70,004 124,327
Restricted stock [Member]    
Effect of dilutive securities:    
Dilutive securities 74,299 91,130