Business Combinations - Additional Information (Details) $ in Thousands			12 Months Ended
	Oct. 31, 2019 USD ($)	Jun. 30, 2018 USD ($) Installment shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Business Acquisition [Line Items]
Goodwill			$ 15,031	$ 15,031	$ 14,204
Oncimmune Limited
Business Acquisition [Line Items]
Total consideration amount	$ 1,206
Business acquisition description			quarterly installments commencing 30 days following the closing of the transaction.
Cash	1,206		$ 1,200
Goodwill	827
Integrated Diagnostics, Inc
Business Acquisition [Line Items]
Total consideration amount		$ 27,600
Business acquisition description			requires additional consideration to be paid by the Company to Indi upon attainment of a three-consecutive month
Cash		8,000
Goodwill		14,200
Contingent consideration estimated fair value		19,600
Business acquisition contingent consideration gross margin target		$ 2,000
Business acquisition contingent consideration gross margin target period		7 years
Integrated Diagnostics, Inc | Common Stock
Business Acquisition [Line Items]
Business acquisition description			If Indi elects to not exercise its option, the Company has 12 months to repurchase the common stock in two equal and consecutive quarterly cash installments totaling $37.0 million.
Contingent consideration shares | shares		2,520,108
Contingent consideration number of installments | Installment		8
Contingent consideration arrangements, common shares, redemption amount		$ 37,000
Integrated Diagnostics, Inc | Common Stock | Repurchase
Business Acquisition [Line Items]
Contingent consideration number of installments | Installment		2
Contingent consideration cash payment		$ 37,000
License Rights | Oncimmune Limited | United States
Business Acquisition [Line Items]
Payments to acquire license rights	$ 9,000