REVENUE (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Schedule of disaggregation of revenue

The following table presents the Company’s revenues disaggregated by revenue source:

​	Three Months Ended September 30,				Nine Months Ended September 30,
(In thousands)	2020		2019		2020		2019
Screening
Medicare Parts B & C	$	98,847	$	108,617	$	256,589	$	295,103
Commercial	106,002		99,352		280,451		261,521
Other	9,774		10,836		28,367		24,094
Total Screening	214,623		218,805		565,407		580,718
Precision Oncology
Medicare Parts B & C	$	33,945	$	—	$	114,973	$	—
Commercial	37,402		—		137,212		—
International	16,243		—		56,227		—
Other	3,989		—		14,493		—
Total Precision Oncology	91,579		—		322,905		—
COVID-19 Testing	$	102,161	$	—	$	136,740	$	—
Total	$	408,363	$	218,805	$	1,025,052	$	580,718