Earnings Per Common Share - Computation of Basic and Diluted Earnings Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Net earnings	$ 16,723	$ 14,082
Less earnings attributable to RSUs outstanding	(667)	(547)
Net earnings attributable to common stockholders used in basic earnings per share calculation	16,056	13,535
Net earnings attributable to common stockholders used in diluted earnings per share calculation	$ 16,056	$ 13,535
Basic	53,961	46,989
Incremental shares from stock-based compensation	8	72
Incremental shares from ATM Program forward agreements		426
Incremental shares from the February 2023 Forward Offering		84
Diluted	53,969	47,571
Basic earnings per common share	$ 0.30	$ 0.29
Diluted earnings per common share	$ 0.30	$ 0.28