Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2022

Revenue Recognition

Schedule of disaggregation of revenues by payer types

	Year Ended December 31,
	2022		2021		2020
	(in thousands)
Insurance carriers	$	690,754	$	492,563	$	300,220
Laboratory partners		94,910		100,019		58,196
Patients		34,558		32,904		32,589
Total revenues	$	820,222	$	625,486	$	391,005

Schedule of total revenue by geographic area

	Year ended December 31,
	2022		2021		2020
	(in thousands)
United States	$	785,849	$	590,872	$	365,660
Americas, excluding U.S.		3,705		4,047		3,469
Europe, Middle East, India, Africa		16,640		20,429		14,332
Asia Pacific and Other		14,028		10,138		7,544
Total	$	820,222	$	625,486	$	391,005

Schedule of beginning and ending balances of accounts receivable and deferred revenues

	Balance at		Balance at
	December 31,		December 31,
	2022		2021
	(in thousands)
Assets:
Accounts receivable	$	244,385	$	122,074
Liabilities:
Deferred revenue, current portion	$	10,777	$	7,404
Deferred revenue, long-term portion		20,001		21,318
Total deferred revenues	$	30,778	$	28,722

Schedule of changes in the balance of deferred revenues

	Balance at		Balance at
	December 31,		December 31,
	2022		2021
	(in thousands)
Beginning balance	$	28,722	$	72,930
Increase in deferred revenues		28,978		7,915
Reclasses from deferred revenues to other short-term liabilities		(337)		(10,080)
Revenue recognized during the period that was included in deferred revenues at the beginning of the period		(8,782)		(37,784)
Revenue recognized from performance obligations satisfied within the same period		(17,803)		(4,259)
Ending balance	$	30,778	$	28,722