Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Information
Revenue	$ 57,147	$ 52,276	$ 162,384	$ 155,328
Subscription
Segment Information
Revenue	22,262	17,807	65,360	49,935
Digital Agreements
Segment Information
Revenue	12,200	10,129	35,955	29,720
Digital Agreements | Subscription
Segment Information
Revenue	10,321	8,262	30,728	24,201
Digital Agreements | Maintenance and Support
Segment Information
Revenue	1,693	1,580	4,453	4,469
Digital Agreements | Professional Services and Other
Segment Information
Revenue	186	267	774	985
Digital Agreements | Hardware Products
Segment Information
Revenue		20		65
Security Solutions
Segment Information
Revenue	44,947	42,147	126,429	125,608
Security Solutions | Subscription
Segment Information
Revenue	11,941	9,545	34,632	25,734
Security Solutions | Maintenance and Support
Segment Information
Revenue	11,158	11,154	32,522	33,822
Security Solutions | Professional Services and Other
Segment Information
Revenue	2,034	3,560	5,327	11,090
Security Solutions | Hardware Products
Segment Information
Revenue	$ 19,814	$ 17,888	$ 53,948	$ 54,962