Subsequent Events	9 Months Ended
Sep. 30, 2023
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsIn October 2023, we acquired Ermetic Ltd. ("Ermetic"). Ermetic is an innovative cloud-native application protection platform company and a leading provider of cloud infrastructure entitlement management. This acquisition will add capabilities to our Tenable One Exposure Management Platform and Tenable Cloud Security solution to deliver contextual risk visibility, prioritization and remediation across infrastructure and identities, both on-premises and in the cloud. We acquired Ermetic for a total purchase price of approximately $244 million, subject to customary purchase price adjustments.

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
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483399/855-10-50-2

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