Notes Payable - Additional Information (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2021	Dec. 31, 2023
Debt Instrument [Line Items]
Carrying amount of debt outstanding	$ 50,000
Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	8.25%
Loan Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility with borrowing capacity		$ 20,000
Remaining capacity available			$ 25,000
Additional borrowing capacity		50,000
Proceeds from line of credit		$ 5,000
Carrying amount of debt outstanding	$ 50,000
Debt facility payments description	The end date of the interest-only payment period was also extended by 12 months, from December 2025 to December 2026.
Prepayment of the loan	7.00%
Amended Loan Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Expiration Date		Dec. 31, 2022