Stock Based Compensation - Summary of Vested and Unvested Restricted Stock Outstanding (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]
Balance at beginning of period	24,813	46,598	95,888
Grants	25,190	15,425	12,110
Vesting	(23,708)	(37,010)	(60,011)
Forfeited/expired	(1,105)	(200)	(1,389)
Balance at end of period	25,190	24,813	46,598
Balance at beginning of period	$ 36.21	$ 35.75	$ 29.89
Grants	27.79	40.89	49.58
Vesting	36.4	37.61	29.25
Forfeited/expired	29.7	29.7	32.76
Balance at end of period	$ 27.79	$ 36.21	$ 35.75