Leases - Components of lease expenses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Lease deposit	$ 1,278		$ 1,278		$ 1,549
Operating lease expense:
Fixed lease cost	1,795	$ 597	3,298	$ 1,659
Variable lease cost	303	119	840	557
Short term lease expense	602	653	1,971	1,963
Total operating lease expense	$ 2,700	$ 1,369	$ 6,109	$ 4,179
Minimum
Lessee, Lease, Description [Line Items]
Initial lease terms	5 years		5 years
Maximum
Lessee, Lease, Description [Line Items]
Initial lease terms	16 years		16 years