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Defined contribution plan (Additional Information) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
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 $ 1.0 $ 0.8 $ 0.7