Fixed Assets - Major Classes of Fixed Assets (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Fixed assets, gross	$ 115,735	$ 81,917
Less: Accumulated depreciation	(29,686)	(19,630)
Fixed assets, net	86,049	62,287
Medical Lab Equipment
Property Plant And Equipment [Line Items]
Fixed assets, gross	$ 45,479	35,930
Medical Lab Equipment | Minimum
Property Plant And Equipment [Line Items]
Useful life in years	1 year
Medical Lab Equipment | Maximum
Property Plant And Equipment [Line Items]
Useful life in years	12 years
Leasehold Improvements
Property Plant And Equipment [Line Items]
Fixed assets, gross	$ 11,867	4,003
Useful life in years	Shorter of lease term or estimated useful life
Computer Hardware
Property Plant And Equipment [Line Items]
Fixed assets, gross	$ 7,163	5,661
Computer Hardware | Minimum
Property Plant And Equipment [Line Items]
Useful life in years	1 year
Computer Hardware | Maximum
Property Plant And Equipment [Line Items]
Useful life in years	5 years
Computer Software
Property Plant And Equipment [Line Items]
Fixed assets, gross	$ 6,918	1,408
Computer Software | Minimum
Property Plant And Equipment [Line Items]
Useful life in years	1 year
Computer Software | Maximum
Property Plant And Equipment [Line Items]
Useful life in years	5 years
Building
Property Plant And Equipment [Line Items]
Fixed assets, gross	$ 6,731	6,731
Useful life in years	39 years
Aircraft
Property Plant And Equipment [Line Items]
Fixed assets, gross	$ 6,503	6,503
Useful life in years	7 years
Building Improvements
Property Plant And Equipment [Line Items]
Fixed assets, gross	$ 4,830	3,936
Building Improvements | Minimum
Property Plant And Equipment [Line Items]
Useful life in years	6 months
Building Improvements | Maximum
Property Plant And Equipment [Line Items]
Useful life in years	39 years
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Fixed assets, gross	$ 3,901	2,255
Furniture and Fixtures | Minimum
Property Plant And Equipment [Line Items]
Useful life in years	1 year
Furniture and Fixtures | Maximum
Property Plant And Equipment [Line Items]
Useful life in years	10 years
Automobile
Property Plant And Equipment [Line Items]
Fixed assets, gross	$ 850	825
Automobile | Minimum
Property Plant And Equipment [Line Items]
Useful life in years	2 years
Automobile | Maximum
Property Plant And Equipment [Line Items]
Useful life in years	7 years
Land Improvements
Property Plant And Equipment [Line Items]
Fixed assets, gross	$ 558	403
Land Improvements | Minimum
Property Plant And Equipment [Line Items]
Useful life in years	5 years
Land Improvements | Maximum
Property Plant And Equipment [Line Items]
Useful life in years	15 years
General Equipment
Property Plant And Equipment [Line Items]
Fixed assets, gross	$ 44	44
General Equipment | Minimum
Property Plant And Equipment [Line Items]
Useful life in years	3 years
General Equipment | Maximum
Property Plant And Equipment [Line Items]
Useful life in years	5 years
Land
Property Plant And Equipment [Line Items]
Fixed assets, gross	$ 7,500	7,500
Assets Not Yet Placed in Service
Property Plant And Equipment [Line Items]
Fixed assets, gross	$ 13,391	$ 6,718