Income taxes - Schedule of Reconciliation of Federal Statutory Income Tax Rate to Effective Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amount
U.S. federal statutory income tax	$ 23,577
U.S. state and local income tax, net of federal income tax effect	555
Foreign tax effects	(55)
Effect of cross border transactions	(72)
Transaction costs	(2,187)
Goodwill impairment	(1,339)
Stock compensation	(2,281)
Limitation on executive compensation	(710)
Other nondeductible items	(1,235)
Tax credits	293
Change in valuation allowance	(11,411)
Other items	(14)
Income tax benefit (expense)	$ 5,121	$ (434)	$ (719)
Rate
U.S. federal statutory income tax	21.00%	21.00%	21.00%
U.S. state and local income tax, net of federal income tax effect	0.50%	2.70%	(0.30%)
Foreign tax effects	0.00%
Effect of cross border transactions	(0.10%)
Transaction costs	(0.019)
Goodwill impairment	(1.20%)
Stock compensation	(2.00%)	(2.40%)	(1.60%)
Permanent items		(0.003)	(0.006)
Limitation on executive compensation	(0.006)	(0.032)	(0.026)
Other nondeductible items	(1.10%)
Tax credits	0.30%	4.00%	4.90%
Change in valuation allowance	(10.30%)	(22.50%)	(24.30%)
Other items	0.00%	(0.40%)	0.90%
Income tax benefit and effective tax rate	4.60%	(1.10%)	(2.60%)