Segment Information - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 179,852	$ 183,822	$ 637,560	$ 680,798
United States
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	156,016	157,534	530,585	560,795
International
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	23,836	26,288	106,975	120,003
Thryv Marketing Services
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	92,797	116,462	398,389	491,051
Thryv SaaS
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	87,055	67,360	239,171	189,747
Print | Thryv Marketing Services
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	44,174	22,222	211,441	186,082
Digital | Thryv Marketing Services
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 48,623	$ 94,240	$ 186,948	$ 304,969