Goodwill and Intangible Assets - Schedule of Goodwill Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Goodwill [Roll Forward]
Beginning balance	$ 671,886	$ 609,457
Goodwill, acquired during period		64,392
Effects of foreign currency translation	1,827	(1,963)
Ending balance	673,713	671,886
Marketing Services
Goodwill [Roll Forward]
Beginning balance	390,573	390,573
Goodwill, acquired during period		0
Effects of foreign currency translation	0	0
Ending balance	390,573	390,573
SaaS
Goodwill [Roll Forward]
Beginning balance	218,884	218,884
Goodwill, acquired during period		0
Effects of foreign currency translation	0	0
Ending balance	218,884	218,884
Thryv International
Goodwill [Roll Forward]
Beginning balance	62,429	0
Goodwill, acquired during period		64,392
Effects of foreign currency translation	1,827	(1,963)
Ending balance	$ 64,256	$ 62,429