Acquisitions - Consideration transferred and reportable segment (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Business Acquisition [Line Items]
Cash Consideration	$ 4.0	$ 24.6
2021 Acquisitions
Business Acquisition [Line Items]
Consideration	8.5
Cash Consideration	8.5
Glycopath Inc. | BSI Life Science
Business Acquisition [Line Items]
Consideration	2.0
Cash Consideration	2.0
IonPath Inc | BSI Life Science
Business Acquisition [Line Items]
Consideration	2.0
Cash Consideration	2.0
Acuity Spatial Genomics, Inc. | BSI NANO
Business Acquisition [Line Items]
Consideration	4.5
Cash Consideration	$ 4.5