Goodwill and Intangible Assets - Schedule of Goodwill Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Goodwill [Roll Forward]
Beginning balance	$ 302,400	$ 566,004
Yellow Acquisition		5,129
Impairments		(268,800)
Effects of foreign currency translation	(2,774)	67
Ending balance	299,626
Thryv Marketing Services
Goodwill [Roll Forward]
Beginning balance	83,516	347,120
Yellow Acquisition		5,129
Impairments		(268,800)
Effects of foreign currency translation	(2,774)	67
Ending balance	80,742
Thryv SaaS
Goodwill [Roll Forward]
Beginning balance	218,884	218,884
Yellow Acquisition		0
Impairments		0
Effects of foreign currency translation	0	$ 0
Ending balance	$ 218,884