Goodwill - Schedule of goodwill activity (Details) - USD ($)		12 Months Ended
	May 17, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Net balance at beginning of period		$ 96,174,000	$ 97,552,000
Net foreign currency translation		(5,660,000)	(1,378,000)
Goodwill reallocation		0
Net balance at end of period		90,514,000	96,174,000	$ 97,552,000
Goodwill impairment		0	0	0
Digital Agreements
Goodwill [Roll Forward]
Net balance at beginning of period		0	0
Net foreign currency translation		(1,234,000)	0
Goodwill reallocation		20,966,000
Net balance at end of period		19,732,000	0	0
Goodwill impairment	$ 0
Security Solutions
Goodwill [Roll Forward]
Net balance at beginning of period		0	0
Net foreign currency translation		(4,426,000)	0
Goodwill reallocation		75,208,000
Net balance at end of period		$ 70,782,000	$ 0	$ 0
Goodwill impairment	$ 0