Related Party Transactions - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Company contribution to a multi employer 401K plan at discretionary amount of employee's cash compensation, maximum percentage	6.00%	6.00%	6.00%
Company contribution to a multi employer 401K plan at discretionary amount of employee's cash compensation, amount	$ 431,500	$ 425,300	$ 387,700
Deferred compensation, employee contribution, percentage	2.00%
Deferred compensation, company contribution, amount	$ 324,100	390,400	337,900
Deferred compensation, cumulative unfunded liability	2,500,000	3,300,000
Ancillary costs and expenses	11,400,000	10,600,000	9,600,000
Accounts payable, accrued expenses and other liabilities	46,162,000	57,022,000
Insurance commissions and fees expense	449,300	562,800	$ 286,900
Shared Services Agreement | Related Party
Related Party Transaction [Line Items]
Accounts payable, accrued expenses and other liabilities	$ 1,200,000	$ 1,100,000