Leases - Lease costs recognized (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Lease Costs
Operating lease costs	$ 1,500	$ 663	$ 3,733	$ 1,997
Total lease cost	$ 1,500	$ 663	$ 3,733	$ 1,997
Weighted average remaining lease term	8 years 2 months 12 days	8 years 10 months 24 days	8 years 2 months 12 days	8 years 10 months 24 days
Weighted average discount rate	7.20%	9.70%	7.20%	9.70%
Operating cash flows used for operating leases	$ 1,398	$ 849	$ 2,792	$ 2,532