Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Total Revenue	$ 156,240	$ 137,220
Clinical Services
Disaggregation of Revenue [Line Items]
Total Revenue	134,535	114,869
Clinical Services | Client direct billing
Disaggregation of Revenue [Line Items]
Total Revenue	90,483	76,823
Clinical Services | Commercial Insurance
Disaggregation of Revenue [Line Items]
Total Revenue	23,604	21,355
Clinical Services | Medicare and Medicaid
Disaggregation of Revenue [Line Items]
Total Revenue	20,369	16,587
Clinical Services | Self-Pay
Disaggregation of Revenue [Line Items]
Total Revenue	79	104
Advanced Diagnostics
Disaggregation of Revenue [Line Items]
Total Revenue	$ 21,705	$ 22,351