Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions			1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 22, 2020	Jul. 27, 2018	Jul. 31, 2019	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2017
Loss Contingencies [Line Items]
Rent expense				$ 0.2	$ 0.2	$ 0.3	$ 1.0
Hologic, Inc. and Cytyc Surgical Products, LLC
Loss Contingencies [Line Items]
Loss contingency damages sought value			$ 7.1
Loss contingency damages awarded value	$ 7.1	$ 4.8
Loss contingency accrual for potential legal losses								$ 4.8