Acquisitions - Pro Forma Information - Tabular Disclosure - Pro Forma Correction (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Mar. 31, 2019	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Business Acquisition, Pro Forma Information [Abstract]
Revenue							$ 797,501	$ 752,061
Net income (loss)							$ 10,350	$ 2,273
GENEWIZ
Business Acquisition, Pro Forma Information [Abstract]
Revenue	$ 196,021	$ 170,033	$ 394,411	$ 356,947	$ 598,291	$ 561,397
Net income (loss)	6,795	(55,263)	4,086	3,916	5,062	6,944
GENEWIZ | Previously Reported
Business Acquisition, Pro Forma Information [Abstract]
Revenue	196,021	170,033	394,411	356,947	598,291	561,397
Net income (loss)	(35,325)	(8,714)	(38,154)	50,345	(37,233)	53,318
GENEWIZ | Misclassification Of Compensation Expenses And Transaction Costs In Different Period | Restatement Adjustment
Business Acquisition, Pro Forma Information [Abstract]
Net income (loss)	$ 42,120	$ (46,549)	$ 42,240	$ (46,429)	$ 42,295	$ (46,374)