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Related-Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2020	Dec. 31, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Current deferred revenue	$ 32,035		$ 32,035			$ 56,012	$ 52,456
Payment to acquire interest in joint venture			0	$ 1,715
CCAW JV LLC [Member]
Related Party Transaction [Line Items]
Current deferred revenue	0		0			55
Revenues recognized from related party	567	$ 406	1,703	1,210
Payment to acquire interest in joint venture					$ 2,940
Equity method investment, ownership percentage					50.00%
Cleveland Clinic [Member]
Related Party Transaction [Line Items]
Current deferred revenue	45		45			153
Revenues recognized from related party	177	$ 336	306	$ 1,232
Related Party [Member] | CCAW JV LLC [Member]
Related Party Transaction [Line Items]
Due from related parties	1,038		1,038			400
Related Party [Member] | Cleveland Clinic [Member]
Related Party Transaction [Line Items]
Due from related parties	$ 147		$ 147			$ 216

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