Earnings Per Share - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Detail) - Option [Member] - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Options to purchase, Options	276,704	328,021	280,732	333,753
Anti-dilutive, Options	95,750	95,750	95,750	95,750
Employee Stock Option One [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Options to purchase, Weighted Ave Exercise Price	$ 19.56	$ 17.65	$ 19.56	$ 17.65
Anti-dilutive, Weighted Ave Exercise Price	32.45	32.45	32.45	32.45
Employee Stock Option Two [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Options to purchase, Weighted Ave Exercise Price	19.49	16.31	19.49	16.31
Anti-dilutive, Weighted Ave Exercise Price	$ 32.45	$ 32.45	$ 32.45	$ 32.45