Goodwill and Intangible Assets - Schedule of Goodwill Rollforward (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Goodwill [Roll Forward]
Beginning balance	$ 302,400	$ 566,004
Yellow Acquisition		5,129
Impairments		(268,800)
Effects of foreign currency translation	(1,405)	67
Ending balance	300,995	302,400
Thryv Marketing Services
Goodwill [Roll Forward]
Beginning balance	83,516	347,120
Yellow Acquisition		5,129
Impairments		(268,800)
Effects of foreign currency translation	(1,405)	67
Ending balance	82,111	83,516
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	$ 218,884