Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Feb. 20, 2024	Jun. 30, 2023
Cover [Abstract]
Document Type	10-K/A
Amendment Flag	false
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Document Transition Report	false
Entity File Number	001-35895
Entity Registrant Name	THRYV HOLDINGS, INC.
Entity Central Index Key	0001556739
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	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 800
Entity Common Stock, Shares Outstanding		35,557,803
Auditor Firm ID	248
Auditor Name	GRANT THORNTON LLP
Auditor Location	Dallas, Texas