Segment Information - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 280,650	$ 297,290	$ 923,020	$ 868,943
Thryv U.S.
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	252,527	258,010	786,140	767,375
Thryv International
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	28,123	39,280	136,880	101,568
Marketing Services
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	197,174	213,210	632,277	643,938
Marketing Services | Print
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	93,436	106,931	295,606	313,595
Marketing Services | Digital
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	103,738	106,279	336,671	330,343
SaaS
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	55,353	44,800	153,863	123,437
International Marketing Services
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	26,833	39,149	133,715	101,428
International Marketing Services | Print
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	4,739	10,159	61,146	31,112
International Marketing Services | Digital
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	22,094	28,990	72,569	70,316
International SaaS
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 1,290	$ 131	$ 3,165	$ 140