Property and Equipment, Net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Property, Plant and Equipment [Abstract]
Depreciation and amortization	$ 4.0	$ 3.6

Depreciation and amortization related to property and equipment

No definition available.

Name:	tenb_DepreciationAndAmortizationPropertyAndEquipment
Namespace Prefix:	tenb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration