Summary of Significant Accounting Policies - Computation of Basic EPS to Dilutive EPS (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Earnings Per Share [Abstract]
Net earnings per share, basic, Net Earnings	$ 66,658	$ 52,485	$ 128,004	$ 105,882
Effect of stock options and stock grants, Net Earnings	0	0	0	0
Net earnings per share, diluted, Net Earnings	$ 66,658	$ 52,485	$ 128,004	$ 105,882
Net earnings per share, basic, Weighted Average Shares	143,023,544	142,814,363	142,986,734	142,769,518
Effect of stock options and stock grants, Weighted Average Shares	354,961	274,567	391,986	297,675
Net earnings per share, diluted, Weighted Average Shares	143,378,505	143,088,930	143,378,720	143,067,193
Net earnings per share, basic, Per Share Amount	$ 0.47	$ 0.37	$ 0.9	$ 0.74
Effect of stock options and stock grants, Per Share Amount	0	0	(0.01)	0
Net earnings per share, diluted, Per Share Amount	$ 0.47	$ 0.37	$ 0.89	$ 0.74