Fair value measurement - Narrative (Details) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2023 USD ($)	Jun. 30, 2023 shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Oct. 01, 2020 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Change in fair value of contingent consideration, increase (decrease)	$ (1,580)		$ 2,346	$ (1,778)	$ (3,348)
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	300			300		$ 4,300	$ 3,700
Change in fair value of contingent consideration, increase (decrease)	$ (1,600)		$ 2,300	$ (1,800)	$ (3,300)
SciSafe Holdings, Inc | Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration, liability, measurement input	0.145			0.145			0.045
SciSafe Holdings, Inc | Risk Free Interest Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent consideration, liability, measurement input	0.049			0.049			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	0.36			0.36			0.15