Summary of Significant Accounting Policies - Computation of Basic EPS to Dilutive EPS (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Net earnings per share, basic, Net Earnings	$ 53,397	$ 52,568
Effect of stock options and stock grants, Net Earnings	0	0
Net earnings per share, diluted, Net Earnings	$ 53,397	$ 52,568
Net earnings per share, basic, Weighted Average Shares	142,724,674	142,665,646
Effect of stock options and stock grants, Weighted Average Shares	304,775	400,365
Net earnings per share, diluted, Weighted Average Shares	143,029,449	143,066,011
Net earnings per share, basic, Per Share Amount	$ 0.37	$ 0.37
Effect of stock options and stock grants, Per Share Amount	0	0
Net earnings per share, diluted, Per Share Amount	$ 0.37	$ 0.37