Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 58,605	$ 154
Accumulated depreciation and amortization	(2,820)	(3)
Total property and equipment, net	55,785	151
Land
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	16,303	0
Buildings
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	21,607	0
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	3,363	0
Medical and surgical equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	2,751	0
Electrical and other equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	495	73
Computer equipment, furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	8,843	33
Vehicles
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	185	48
Internal use software
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	941	0
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 4,117	$ 0