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, 2022	Dec. 31, 2021	Dec. 31, 2020
Basic earnings per share
Net Income	$ 107,369	$ 95,041	$ 57,518
Less: earnings allocated to participating securities, Income	1,236	1,142	511
Net income available to common shareholders, Total	$ 106,133	$ 93,899	$ 57,007
Net income available to common shareholders, (in shares)	64,624	50,624	50,540
Less: earnings allocated to participating securities, (in shares)	0	0	0
Net income available to common shareholders, Total (in shares)	64,624	50,624	50,540
Net income available to common shareholders, (in usd per share)	$ 1.66	$ 1.87	$ 1.14
Less: earnings allocated to participating securities, (in usd per share)	0.02	0.02	0.01
Basic earnings (usd per share)	$ 1.64	$ 1.85	$ 1.13
Effect of dilutive securities
Stock options and restricted stock, Income	$ 0	$ 0	$ 0
Stock options and restricted stock, (in shares)	294	246	110
Stock options and restricted stock, (in usd per share)	$ 0.01	$ 0	$ 0
Diluted earnings per share
Net income available to common shareholders plus assumed conversions, Income	$ 106,133	$ 93,899	$ 57,007
Net income available to common shareholders plus assumed conversions, (in shares)	64,918	50,870	50,650
Diluted earnings (usd per share)	$ 1.63	$ 1.85	$ 1.13