Stock Options and Restricted Stock - Summary of Activity for Stock Option Programs (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Aggregate intrinsic value for option exercised		$ 0.1
Aggregate intrinsic value of option outstanding	$ 1.3
Aggregate intrinsic value of option vested	$ 1.2
Remaining contractual life of option outstanding	5 years 10 months 24 days
Remaining contractual life of option vested	5 years 9 months 18 days
Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Aggregate intrinsic value for option exercised	$ 0.1