Amount of increase (decrease) in the value of right to a contingent consideration asset.

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Value of input used to measure contingent consideration liability from business combination.

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Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy.

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Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.

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Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

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Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

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Fair Value Measurements - Additional information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($) Y	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) Y	Sep. 30, 2019 USD ($)
Fair value measurements
Loss (Gain) on Fair Value Remeasurement of Contingent Consideration	$ 662	$ (2,114)	$ (4,236)	$ (1,612)
Discount rate \| Weighted average
Fair value measurements
Measurement input	9.4		9.4
Discount rate \| Minimum
Fair value measurements
Measurement input	9.3		9.3
Discount rate \| Maximum
Fair value measurements
Measurement input	10.1		10.1
Time until the conditions of the milestone payments are met
Fair value measurements
Measurement input \| Y	3		3
Fair value
Fair value measurements
Asset transfer out of level 3			$ 0
Asset transfer into level 3			0
Liabilities transfers out of level 3			0
Liabilities transfers into level 3			$ 0