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Cover - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Feb. 25, 2025
Jun. 30, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-35895    
Entity Registrant Name THRYV HOLDINGS, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 13-2740040    
Entity Address, Address Line One 2200 West Airfield Drive, P.O. Box 619810    
Entity Address, City or Town D/FW Airport    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 75261    
City Area Code (972)    
Local Phone Number 453-7000    
Title of 12(b) Security Common Stock, $0.01 par value per share    
Trading Symbol THRY    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 600
Entity Common Stock, Shares Outstanding   43,371,149  
Documents Incorporated by Reference Certain portions of the registrant's definitive proxy statement for its annual meeting of stockholders, to be filed with the Securities and Exchange Commission within 120 days after the end of the registrant's fiscal year ended December 31, 2024, are incorporated herein by reference.    
Entity Central Index Key 0001556739    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Amendment Flag false