Revenue from Contracts with Customers - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	$ 31,845	$ 30,604	$ 81,054	$ 88,637
Instruments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	12,878	8,037	32,512	17,295
Consumables
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	13,650	15,253	33,519	44,101
Total product revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	26,528	23,290	66,031	61,396
Service revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	3,562	3,059	9,699	8,673
Total product and service revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	30,090	26,349	75,730	70,069
Collaboration revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	1,755	4,255	5,324	18,568
Americas
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	21,276	21,730	56,210	63,235
Americas | Instruments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	7,315	5,823	20,973	11,609
Americas | Consumables
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	9,838	9,648	23,585	27,093
Americas | Total product revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	17,153	15,471	44,558	38,702
Americas | Service revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	2,368	2,004	6,328	5,965
Americas | Total product and service revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	19,521	17,475	50,886	44,667
Americas | Collaboration revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	1,755	4,255	5,324	18,568
Europe and Middle East
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	8,077	7,128	18,999	20,636
Europe and Middle East | Instruments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	4,145	1,577	8,408	4,066
Europe and Middle East | Consumables
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	3,058	4,710	7,966	14,434
Europe and Middle East | Total product revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	7,203	6,287	16,374	18,500
Europe and Middle East | Service revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	874	841	2,625	2,136
Europe and Middle East | Total product and service revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	8,077	7,128	18,999	20,636
Europe and Middle East | Collaboration revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	0	0	0	0
Asia Pacific
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	2,492	1,746	5,845	4,766
Asia Pacific | Instruments
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	1,418	637	3,131	1,620
Asia Pacific | Consumables
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	754	895	1,968	2,574
Asia Pacific | Total product revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	2,172	1,532	5,099	4,194
Asia Pacific | Service revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	320	214	746	572
Asia Pacific | Total product and service revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	2,492	1,746	5,845	4,766
Asia Pacific | Collaboration revenue
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue	$ 0	$ 0	$ 0	$ 0