Defined contribution plan (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Retirement Benefits [Abstract]
Pre-tax compensation of employees	90.00%
Percentage of employer discretion contribution	100.00%
Employer discretionary contribution amount	$ 1.0	$ 0.6

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration