Revenue Recognition - Deferred Revenues (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Revenue recognized during the period that was included in deferred revenues at the beginning of the period	$ 7,521	$ 5,757
Deferred revenue, current portion	15,644		$ 10,777
Deferred revenue, Long-term	21,502		20,001
Deferred revenue	37,146	$ 36,730	$ 30,778	$ 28,722
BGI Genomics
Revenue recognized	44,000
Deferred revenue, Long-term	19,800
Deferred revenue	19,800
Foundation Medicine ("FMI")
Revenue recognized	24,300
Deferred revenue, current portion	2,300
Deferred revenue, Long-term	1,700
Deferred revenue	4,000
BGI Genomics and Foundation Medicine ("FMI")
Revenue recognized during the period that was included in deferred revenues at the beginning of the period	300
Genetic testing services
Revenue recognized during the period that was included in deferred revenues at the beginning of the period	7,200
Deferred revenue, current portion	$ 13,400