Leases - Supplemental cash flow information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Leases
Cash paid for amounts included in the measurement of lease liabilities for finance leases: Operating cash flows	$ 46	$ 32
Cash paid for amounts included in the measurement of lease liabilities for finance leases: Financing cash flows	856	475
Cash paid for amounts included in the measurement of lease liabilities for operating leases: Operating cash flows	5,027	4,459
Right-of-use assets obtained in exchange for recorded lease obligations: Operating leases	3,787	337
Right-of-use assets obtained in exchange for recorded lease obligations: Finance leases	$ 2,322	$ 377