Property and Equipment, Net - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Property Plant And Equipment [Line Items]
Total	$ 254,137	$ 237,072
Less: Accumulated depreciation	(64,070)	(42,883)
Total property and equipment, net	190,067	194,189
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Total	163,654	148,249
Computers and Peripherals [Member]
Property Plant And Equipment [Line Items]
Total	26,741	26,650
Internal-use software [Member]
Property Plant And Equipment [Line Items]
Total	7,722	7,894
Furniture, Fixtures and Equipment [Member]
Property Plant And Equipment [Line Items]
Total	40,673	36,437
Medical Equipment [Member]
Property Plant And Equipment [Line Items]
Total	842	950
Construction in Process [Member]
Property Plant And Equipment [Line Items]
Total	$ 14,505	$ 16,892