Revenue Recognition - Deferred Revenues (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Revenue recognized during the period that was included in deferred revenues at the beginning of the period	$ 9,646	$ 7,521
Deferred revenue, current portion	18,367		$ 16,612
Deferred revenue, Long-term	18,416		$ 19,128
BGI Genomics
Deferred revenue, current portion	500
Deferred revenue, Long-term	18,400
Foundation Medicine ("FMI")
Deferred revenue, current portion	3,000
BGI Genomics and Foundation Medicine ("FMI")
Revenue recognized during the period that was included in deferred revenues at the beginning of the period	100
Genetic testing services
Revenue recognized during the period that was included in deferred revenues at the beginning of the period	9,500
Deferred revenue, current portion	$ 14,800