Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Information
Revenue	$ 52,790	$ 52,277	$ 105,237	$ 103,052
Subscription
Segment Information
Revenue	19,829	15,746	43,098	32,128
Digital Agreements
Segment Information
Revenue	10,454	9,527	23,755	19,591
Digital Agreements | Subscription
Segment Information
Revenue	8,736	7,780	20,407	15,939
Digital Agreements | Maintenance and Support
Segment Information
Revenue	1,408	1,512	2,760	2,889
Digital Agreements | Professional Services and Other
Segment Information
Revenue	310	235	588	718
Digital Agreements | Hardware Products
Segment Information
Revenue				45
Security Solutions
Segment Information
Revenue	42,336	42,750	81,482	83,461
Security Solutions | Subscription
Segment Information
Revenue	11,093	7,966	22,691	16,189
Security Solutions | Maintenance and Support
Segment Information
Revenue	10,770	11,522	21,364	22,668
Security Solutions | Professional Services and Other
Segment Information
Revenue	1,690	3,811	3,293	7,530
Security Solutions | Hardware Products
Segment Information
Revenue	$ 18,783	$ 19,451	$ 34,134	$ 37,074