Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net income	$ 9,827	$ 7,072	$ 11,747	$ 15,686	$ 24,791	$ 32,909	$ 28,646	$ 73,386
Basic weighted average shares of Common Stock outstanding	33,162,181			33,177,743			33,105,854	33,075,399
Dilutive effect of stock options, restricted stock awards and restricted stock units	308,258			431,341			353,896	413,501
Diluted weighted average shares of Common Stock outstanding	33,470,439			33,609,084			33,459,750	33,488,900
Basic earnings per share	$ 0.30			$ 0.47			$ 0.87	$ 2.22
Diluted earnings per share	$ 0.29			$ 0.47			$ 0.86	$ 2.19