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Revenue Recognition - Deferred Revenues (Details) - USD ($) $ in Thousands	1 Months Ended	6 Months Ended
	Feb. 28, 2019	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Revenue recognized during the period included in deferred revenues at the beginning of the period		$ 14,904	$ 9,646
Deferred revenue, current portion		21,560		$ 19,754
Deferred revenue, Long-term		16,492		16,838
Deferred revenue		38,052	$ 36,783	36,592	$ 35,740
BGI Genomics
Revenue recognized	$ 44,000
Deferred revenue, current portion		500
Deferred revenue, Long-term		16,500
Deferred revenue		17,000		$ 17,300
Foundation Medicine ("FMI")
Deferred revenue, current portion		1,700
BGI Genomics and Foundation Medicine
Revenue recognized during the period included in deferred revenues at the beginning of the period		400
Genetic testing services
Revenue recognized during the period included in deferred revenues at the beginning of the period		14,500
Deferred revenue, current portion		$ 19,400