Earnings Per Share Reconciliation - Schedule of Earnings Per Common Share Reconciliation (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings per common share:
Net earnings	$ 50,035	$ 55,770	$ 98,634	$ 115,040
Less: Net earnings allocated to restricted stock	373	390	697	798
Net earnings allocated to common shareholders	$ 49,662	$ 55,380	$ 97,937	$ 114,242
Weighted average shares outstanding	138,584	138,330	138,419	138,420
Basic earnings per common share	$ 0.36	$ 0.4	$ 0.71	$ 0.83
Diluted earnings per common share:
Net income allocated to common shareholders	$ 49,662	$ 55,380	$ 97,937	$ 114,242
Weighted average shares outstanding	138,584	138,330	138,419	138,420
Incremental shares from assumed exercise of outstanding options	85	53	142	137
Diluted weighted average shares outstanding	138,669	138,383	138,561	138,557
Diluted earnings per common share	$ 0.36	$ 0.4	$ 0.71	$ 0.82

Net earnings allocated to restricted stock.

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