Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Total Revenue	$ 151,954	$ 128,782	$ 436,091	$ 371,023
Clinical Services
Disaggregation of Revenue [Line Items]
Total Revenue	127,553	106,162	365,578	310,588
Clinical Services | Client direct billing
Disaggregation of Revenue [Line Items]
Total Revenue	86,160	73,234	246,159	208,123
Clinical Services | Commercial Insurance
Disaggregation of Revenue [Line Items]
Total Revenue	21,722	17,105	64,772	53,904
Clinical Services | Medicare and Medicaid
Disaggregation of Revenue [Line Items]
Total Revenue	19,624	15,795	54,407	48,427
Clinical Services | Self-Pay
Disaggregation of Revenue [Line Items]
Total Revenue	47	28	240	134
Advanced Diagnostics
Disaggregation of Revenue [Line Items]
Total Revenue	$ 24,401	$ 22,620	$ 70,513	$ 60,435