Financial instruments fair value - Schedule of Financial Instruments (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	$ 126,048	$ 146,037
Total contingent consideration	5,600	10,100
Accrued liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total contingent consideration	5,600	4,588
Other liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total contingent consideration		5,512
Money market funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	126,048	146,037
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	126,048	146,037
Total contingent consideration	0	0
Level 1 | Accrued liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total contingent consideration	0	0
Level 1 | Other liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total contingent consideration		0
Level 1 | Money market funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	126,048	146,037
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	0	0
Total contingent consideration	0	0
Level 2 | Accrued liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total contingent consideration	0	0
Level 2 | Other liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total contingent consideration		0
Level 2 | Money market funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	0	0
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	0	0
Total contingent consideration	5,600	10,100
Level 3 | Accrued liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total contingent consideration	5,600	4,588
Level 3 | Other liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total contingent consideration		5,512
Level 3 | Money market funds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total cash equivalents	$ 0	$ 0