Fair value measurement - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) shares	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Oct. 01, 2020 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Change in fair value of contingent consideration, decrease	$ 918	$ 2,361	$ 198	$ 5,695
Shares Issued As Payment for Contingent Consideration Liability
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Shares issued as payment (in shares) | shares			116,973
SciSafe Holdings, Inc
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration, liability	1,900		$ 1,900		$ 4,300	$ 3,700
Change in fair value of contingent consideration, decrease	$ 900	$ 2,400	$ 200	$ 5,700
SciSafe Holdings, Inc | Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration, liability, measurement input	0.130		0.130			0.045
SciSafe Holdings, Inc | Risk Free Interest Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration, liability, measurement input	0.041		0.041			0.0020
SciSafe Holdings, Inc | Asset Price Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration, liability, measurement input	0.71		0.71			0.60
SciSafe Holdings, Inc | Revenue Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration, liability, measurement input	0.34		0.34			0.15