Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Lease cost
Total operating lease cost	$ 2,058	$ 1,343	$ 3,955	$ 2,751
Depreciation of leased assets	325	328	648	656
Interest on lease liabilities	1,274	1,274	2,532	2,553
Total finance lease cost	1,599	1,602	3,180	3,209
Total lease cost	3,657	2,945	7,135	5,960
Short-term lease and variable lease costs	600	400	1,000	900
Product / Services
Lease cost
Total operating lease cost	1,306	644	2,516	1,283
Research and development
Lease cost
Total operating lease cost	76	122	132	252
Sales and marketing*
Lease cost
Total operating lease cost	368	376	787	755
General and administrative*
Lease cost
Total operating lease cost	$ 308	$ 201	$ 520	$ 461