Segment Information - Reconciliation of Segment Measure to Net Loss (Details) - USD ($) $ in Thousands		3 Months Ended			6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022		Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Total		$ 21,191	$ 16,513	[1]	$ 37,794	$ 32,964	[1]
Interest expense, net		(1,877)	(1,518)		(3,418)	(2,610)
Income tax expense		(151)	(831)		(1,518)	(2,100)
Depreciation and amortization		(11,398)	(12,280)		(21,953)	(24,424)
Stock-based compensation		(11,090)	(10,932)		(24,125)	(21,357)
Start-up losses and investment in new services			(885)			(1,671)
Acquisition costs		(2,696)	(519)		(3,471)	(986)
Fair value changes in financial instruments		865	407		(1,008)	2,856
Fair value changes in business acquisition contingencies		(353)	3,510		45	3,531
Expenses related to financing transactions					(4)	(7)
Other losses or expenses		(82)	(1,216)	[2]	(216)	(1,483)	[2]
Net loss		(7,174)	(7,751)		(21,893)	(15,287)
Discontinuing Specialty Lab
Segment Reporting Information [Line Items]
Total			$ (900)			$ 400
Other losses or expenses	[3]	$ 1,583			$ 4,019

[1] Includes the add back of start-up losses and investment in new services of $0.9 million and $1.7 million for the three and six months ended June 30, 2022, respectively .

[2] Amounts include costs associated with the closing of a lab.

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