Revenues (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Schedule of revenues

	Year Ended December 31,
	2021		2020		2019
Revenues from subscription services	$	120,889	$	100,614	$	81,505
Revenues from term-license		62,428		29,131		5,142
Total revenues from subscription		183,317		129,745		86,647
Revenues from perpetual license and other		34,169		42,136		59,175
Revenues from professional services		28,760		23,032		26,032
	$	246,246	$	194,913	$	171,854