Subsequent Events	12 Months Ended
Dec. 31, 2021
Subsequent Events [Abstract]
Subsequent Events	16. Subsequent Events On April 8, 2022, the Company released a $37.7 million general indemnification holdback to the sellers of TTR in connection with the October 2020 acquisition of TTR. The funds for payment of the TTR holdback were recorded as restricted cash – current and the liability was included in accrued purchase price related to acquisitions – current on the consolidated balance sheet as of December 31, 2021. On May 5, 2022, the Company released an $11.1 million general indemnification holdback to the sellers of Business Licenses in connection with the November 2020 acquisition of Business Licenses. The liability was included in accrued purchase price related to acquisitions – current on the consolidated balance sheet as of December 31, 2021. After December 31, 2021 but before the filing of this Form 10-K/A, the Company acquired two businesses with closing cash payments that totaled $12.1 million.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration