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Related-Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2020	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Current deferred revenue	$ 66,280		$ 66,280			$ 52,456	$ 55,794
Payment to acquire interest in joint venture			1,715	$ 3,920
CCAW JV LLC [Member]
Related Party Transaction [Line Items]
Current deferred revenue	60		60			1,243
Revenues recognized from related party	406	$ 397	1,210	1,179
Payment to acquire interest in joint venture			1,715		$ 2,940
Equity method investment, ownership percentage					50.00%
Cleveland Clinic [Member]
Related Party Transaction [Line Items]
Current deferred revenue	1		1			43
Revenues recognized from related party	336	$ 647	1,232	$ 1,836
Related Party [Member] | CCAW JV LLC [Member]
Related Party Transaction [Line Items]
Due from related parties	26		26			1,602
Related Party [Member] | Cleveland Clinic [Member]
Related Party Transaction [Line Items]
Due from related parties	$ 723		$ 723			$ 24

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