Acquisitions - Pro Forma Information - Additional Information (Details) - GENEWIZ - USD ($) $ in Thousands		3 Months Ended
	Nov. 15, 2018	Dec. 31, 2018	Dec. 31, 2017
Business Acquisition, Pro Forma Information [Abstract]
Revenue		$ 196,021	$ 170,033
Depreciation and amortization expense included in pro forma earnings		1,600	3,300
Interest expense excluded from pro forma earnings		2,000	4,800
Net income (loss)		(35,325)	$ (8,714)
One-time option, bonus, and transaction costs incurred by acquiree		43,900
Acquisition related costs	$ 10,000	6,300
Accounting Standards Update 2014-09
Business Acquisition, Pro Forma Information [Abstract]
Revenue		$ (400)