Stock-Based Compensation - Information about Deferred Tax Benefits Recognized Related to Restricted Stock Awards, Paid Dividends and the Fair Value of Vested Restricted Stock (Detail) - Restricted Stock [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred tax benefits recognized	$ 61	$ 254	$ 160	$ 517
Tax benefits realized for restricted stock and paid dividends	543	521	1,054	820
Fair value of vested restricted stock	$ 946	$ 1,580	$ 2,610	$ 3,793