Revenue Recognition - Deferred Revenues (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 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	$ 7,877	$ 32,864
Deferred revenue, current portion	7,932		$ 7,404
Deferred revenue, Long-term	20,405		21,318
Deferred revenue	28,337	$ 32,373	$ 28,722	$ 72,930
BGI Genomics
Deferred revenue, current portion	700
BGI Genomics and Foundation Medicine ("FMI")
Revenue recognized during the period that was included in deferred revenues at the beginning of the period	4,500
Genetic testing services
Revenue recognized during the period that was included in deferred revenues at the beginning of the period	$ 3,300