Net Income Per Share - Additional Information (Detail) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dividends declared per share, in dollars per share	$ 0.81	$ 0.81	$ 2.43	$ 2.39
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		300,000		400,000
Participating Securities, Distributed and Undistributed Earnings (Loss), Difference Between Basic Net Income (Loss) Per Share	0.01	$ 0	0.01	$ 0
Participating Securities, Distributed and Undistributed Earnings (Loss), Difference Between Diluted Net Income (Loss) Per Share	$ 0.01	$ 0	$ 0.01	$ 0
Share Equivalents
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	400,000	300,000	400,000	300,000