Accrued Liabilities - Severance Payments G&A (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]
Severance expense	$ 3,491,000	$ 4,684,000	$ 11,685,000
COVID-19 Related
Restructuring Cost and Reserve [Line Items]
Severance expense	0	0	5,000,000
Total Thryv U.S.
Restructuring Cost and Reserve [Line Items]
Severance expense	3,185,000	1,739,000	11,685,000
Marketing Services
Restructuring Cost and Reserve [Line Items]
Severance expense	2,516,000	1,433,000	10,318,000
SaaS
Restructuring Cost and Reserve [Line Items]
Severance expense	669,000	306,000	1,367,000
Total Thryv International
Restructuring Cost and Reserve [Line Items]
Severance expense	306,000	2,945,000	0
International Marketing Services
Restructuring Cost and Reserve [Line Items]
Severance expense	297,000	2,945,000	0
International SaaS
Restructuring Cost and Reserve [Line Items]
Severance expense	$ 9,000	$ 0	$ 0