Leases - Lease costs recognized (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Lease Costs
Operating lease costs	$ 1,569	$ 663	$ 2,232	$ 1,334
Total lease cost	$ 1,569	$ 663	$ 2,232	$ 1,334
Weighted average remaining lease term	8 years 6 months	9 years 7 months 6 days	8 years 6 months	9 years 7 months 6 days
Weighted average discount rate	7.20%	9.70%	7.20%	9.70%
Operating cash flows used for operating leases	$ 532	$ 837	$ 1,394	$ 1,683