Defined contribution plan (Additional Information) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Contribution Plan [Abstract]
Matching contribution, Description	The Company makes a safe harbor matching contribution equal to 100% of the employee’s salary deferrals that do not exceed 3% of compensation plus 50% of the employee’s salary deferrals between 3% and 5% of compensation.
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	100.00%
Matching contribution percentage	3.00%
Matching contribution vested percentage	100.00%
Compensation expense related to the plan	$ 0.8	$ 0.7	$ 0.5

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5047-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 30
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363

+ Details

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- References

No definition available.

+ Details

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- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

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- Definition

Percentage of employer's matching contributions to a defined contribution plan that vests in a given year.

+ References

No definition available.

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

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- Definition

Description of defined contribution pension and other postretirement plans.

+ References

No definition available.

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