Stock-Based Incentive Plan - Compensation Expense Related to Stock Incentive Plans Recognized (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Total expense	$ 3,312	$ 3,076
Tax benefit on nonqualified stock option expense and disqualifying dispositions of incentive stock options	492	436
Restricted Stock Units (RSUs) [Member]
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Total expense	3,229	2,998
Employee Stock Purchase Plan [Member]
Share-based Payment Arrangement, Additional Disclosure [Abstract]
Total expense	$ 83	$ 78