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Stock compensation and other employee benefit plans - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Apr. 30, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jul. 01, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares available for grants					5,000,000
Employee and company contributions, amount		$ 0.6	$ 0.7	$ 0.6
Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period		4 years
Employee contributions percentage		100.00%
Employee contributions percentage First		3.00%
Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period		2 years
Employee contributions percentage First		2.00%
Employee contributions percentage Second		50.00%
2021 Stock Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Percentage of common stock outstanding	4.00%
Number of common shares reserved for issuance	12,645,239	7,906,088
Total Number of Shares Authorized for Issuance under the 2021 Plan		20,551,327
2021 Employee Stock Purchase Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Percentage of accumulated payroll deductions				85.00%
Common stock issued		0
Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period		4 years