Acquisitions - Schedule of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Mar. 01, 2021	Jun. 30, 2022	Jan. 21, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Goodwill		$ 668,821		$ 671,886	$ 609,457
Vivial
Business Acquisition [Line Items]
Cash and cash equivalents			$ 8,500
Current assets			27,705
Fixed and intangible assets			9,759
Deferred tax assets			15,447
Other assets			2,087
Current liabilities			(23,570)
Accounts payable			(25,200)
Other liabilities			(1,646)
Bargain purchase gain			7,005
Total net assets acquired			$ 22,777
Thryv Australia
Business Acquisition [Line Items]
Paid consideration	$ 216,164
Total purchase consideration, as allocated below:	216,164
Cash and cash equivalents	40,794
Accounts receivable and other current assets	72,404
Deferred tax assets	34,962
Fixed assets and capitalized software	18,856
Accounts payable	(15,038)
Accrued liabilities	(41,724)
Contract liabilities	(27,075)
Other current liabilities	(6,733)
Deferred tax liabilities	(35,884)
Other liabilities	(15,506)
Total identifiable net assets	151,772
Goodwill	64,392
Total net assets acquired	216,164
Thryv Australia | Client relationships
Business Acquisition [Line Items]
Fixed and intangible assets	$ 101,839
Intangible assets, useful life	3 years 6 months
Thryv Australia | Trademarks
Business Acquisition [Line Items]
Fixed and intangible assets	$ 24,877
Intangible assets, useful life	3 years 6 months