Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Lease cost
Total operating lease cost	$ 1,895	$ 1,407
Depreciation of leased assets	324	328
Interest on lease liabilities	1,258	1,279
Total finance lease cost	1,582	1,607
Total lease cost	3,477	3,014
Short-term lease and variable lease costs	500	400
Product / Services
Lease cost
Total operating lease cost	1,210	639
Research and development
Lease cost
Total operating lease cost	56	130
Sales and marketing*
Lease cost
Total operating lease cost	418	378
General and administrative*
Lease cost
Total operating lease cost	$ 211	$ 260