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Earnings Per Share - Reconciliation of Earnings Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Earnings Per Share [Abstract]    
Net income for basic and diluted earnings per share $ 61,780 $ 87,503
Weighted average shares outstanding - basic 32,549 33,644
Dilutive effect of restricted stock 289 322
Weighted average shares outstanding - diluted 32,838 33,966
Earnings per share - basic $ 1.90 $ 2.60
Earnings per share - diluted $ 1.88 $ 2.58