Segment Data (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Segments
Number of operating segment | segment	1
Revenue	$ 286,104	$ 243,530	$ 208,511
Property and equipment, net	2,935	3,872
Americas
Segments
Revenue	205,377	182,629	154,505
Property and equipment, net	1,903	2,691
EMEA
Segments
Revenue	56,410	42,844	40,299
Property and equipment, net	712	817
Asia Pac
Segments
Revenue	24,317	18,057	$ 13,707
Property and equipment, net	$ 320	$ 364