Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Basic earnings per share
Net Income	$ 84,740	$ 107,369	$ 95,041
Less: earnings allocated to participating securities, Income	857	1,236	1,142
Net income available to common shareholders, Total	$ 83,883	$ 106,133	$ 93,899
Net income available to common shareholders, (in shares)	65,039	64,624	50,624
Less: earnings allocated to participating securities, (in shares)	0	0	0
Net income available to common shareholders, Total (in shares)	65,039	64,624	50,624
Net income available to common shareholders, (in usd per share)	$ 1.30	$ 1.66	$ 1.87
Less: earnings allocated to participating securities, (in usd per share)	0.01	0.02	0.02
Basic earnings (usd per share)	$ 1.29	$ 1.64	$ 1.85
Effect of dilutive securities
Stock options and restricted stock, Income	$ 0	$ 0	$ 0
Stock options and restricted stock, (in shares)	178	294	246
Stock options and restricted stock, (in usd per share)	$ 0	$ 0.01	$ 0
Diluted earnings per share
Net income available to common shareholders plus assumed conversions, Income	$ 83,883	$ 106,133	$ 93,899
Net income available to common shareholders plus assumed conversions, (in shares)	65,217	64,918	50,870
Diluted earnings (usd per share)	$ 1.29	$ 1.63	$ 1.85