Segment Information - Reconciliation of Segment Measure to Net Loss (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Total		$ 16,603	$ 16,451	[1]
Interest expense, net		(1,541)	(1,092)
Income tax expense		(1,367)	(1,269)
Depreciation and amortization		(10,555)	(12,144)
Stock-based compensation		(13,035)	(10,425)
Start-up losses and investment in new services			(786)
Acquisition costs		(775)	(467)
Fair value changes in financial instruments		(1,873)	2,449
Fair value changes in business acquisition contingencies		398	21
Expenses related to financing transactions		(4)	(7)
Other losses or expenses		(134)	(267)
Net loss		(14,719)	(7,536)
Discontinuing Specialty Lab
Segment Reporting Information [Line Items]
Total			$ 1,300
Other losses or expenses	[2]	$ 2,436

[1] Includes the add back of start-up losses and investment in new services of $0.8 million.

[2] Amounts consist of operating losses before depreciation related to the Discontinuing Specialty Lab.