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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

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