Revenue Recognition - Deferred Revenues (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Deferred revenue, current portion	$ 25,667	$ 4,131
Deferred revenue, noncurrent	56,174	40,058
Total deferred revenues	81,841	$ 44,189
BGI
Deferred revenue, current portion	12,049
Deferred revenue, noncurrent	16,050
Total deferred revenues	28,099
Foundation
Deferred revenue, current portion	10,391
Deferred revenue, noncurrent	3,859
Total deferred revenues	14,250
Qiagen
Deferred revenue, current portion	2,305
Deferred revenue, noncurrent	36,265
Total deferred revenues	38,570
Other deferred revenues
Deferred revenue, current portion	922
Total deferred revenues	$ 922