Segment Information - Reconciliation of the disaggregated revenues to revenues from our two operating segments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($) segment
Segment Information
Number of operating segments | segment		2
Revenue	$ 57,607	$ 52,447
Subscription
Segment Information
Revenue	29,956	23,269
Professional services and other
Segment Information
Revenue	$ 1,624	$ 1,881
Percent of total	2.00%	2.00%
Digital Agreements
Segment Information
Revenue	$ 11,552	$ 13,301
Digital Agreements | Subscription
Segment Information
Revenue	10,348	11,671
Digital Agreements | Maintenance and support
Segment Information
Revenue	996	1,352
Digital Agreements | Professional services and other
Segment Information
Revenue	208	278
Digital Agreements | Hardware products
Segment Information
Revenue	0	0
Security Solutions
Segment Information
Revenue	46,055	39,146
Security Solutions | Subscription
Segment Information
Revenue	19,608	11,598
Security Solutions | Maintenance and support
Segment Information
Revenue	10,165	10,594
Security Solutions | Professional services and other
Segment Information
Revenue	1,416	1,603
Security Solutions | Hardware products
Segment Information
Revenue	$ 14,866	$ 15,351