Reconciliations of Equity - Reconciliations of Total Equity (Parenthetical) (Detail) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Number of shares of common stock issued under incentive compensation plan	2,456	6,791	23,124	32,772
Common stock	$ 0.375	$ 0.365	$ 0.75	$ 0.73
Common Stock [Member]
Number of shares of common stock issued under incentive compensation plan	2,456	6,791	23,124	32,772
Additional Paid-in Capital [Member]
Number of shares of common stock issued under incentive compensation plan	2,456	6,791	23,124	32,772
Retained Earnings [Member]
Common stock	$ 0.375	$ 0.365	$ 0.75	$ 0.73