Fair value measurement - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Oct. 01, 2020 USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Change in fair value of contingent consideration, increase (decrease)	$ (2,193)	$ (4,754)	$ 2,875
SciSafe Holdings, Inc
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration - business combinations		4,300		$ 3,700
Change in fair value of contingent consideration, increase (decrease)	$ 2,100	$ 5,600
Measurement Input, Discount Rate | SciSafe Holdings, Inc
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration, liability, measurement input				0.045
Measurement Input, Risk Free Interest Rate | SciSafe Holdings, Inc
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration, liability, measurement input				0.002
Measurement Input Asset Volatility | SciSafe Holdings, Inc
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration, liability, measurement input				0.60
Measurement Input, Revenue Volatility | SciSafe Holdings, Inc
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration, liability, measurement input				0.15