Employee Benefit Plan - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Employee Benefit Plan
Defined contribution plan, maximum percentage of eligible compensation for voluntary contribution			100.00%
Defined Contribution Plan, Plan Name [Extensible Enumeration]			fna:SafeHaborPlanMember
Defined contribution plan minimum annual contributions per employee percent			3.00%
Defined benefit plan, plan assets, contributions by employer	$ 356	$ 315	$ 1,054	$ 904