Revenue Recognition - Deferred Revenues (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Revenue recognized during the period that was included in deferred revenues at the beginning of the period	$ 5,757	$ 30,839
Deferred revenue, current portion	16,009		$ 7,404
Deferred revenue, Long-term	20,721		21,318
Deferred revenue	36,730	$ 34,209	$ 28,722	$ 72,930
BGI Genomics
Deferred revenue, current portion	6,400
Foundation Medicine ("FMI")
Deferred revenue, current portion	1,400
BGI Genomics and Foundation Medicine ("FMI")
Revenue recognized during the period that was included in deferred revenues at the beginning of the period	$ 3,900