Schedule of Information Related to Stock Repurchase Programs (Parenthetical) (Detail) - shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Restricted shares forfeited by former employee	385,215
Restricted Stock Purchase Plan
Class of Stock [Line Items]
Restricted shares forfeited by former employee	2,356	8,467	15,756