Leases - Lease cost (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2025 USD ($)
Leases
Operating lease cost	$ 1,058
Short-term lease cost	41
Variable lease cost	4
Total lease cost	1,103
Cash paid for amounts included in the measurement of operating lease liabilities	936
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 713