XML 49 R38.htm IDEA: XBRL DOCUMENT v3.19.2

Leases - Narrative (Details) $ in Millions	6 Months Ended
	Jun. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Leases, renewal term	5 years
Lease payments expected to commence	$ 68.2
Minimum
Lessee, Lease, Description [Line Items]
Remaining term of leases	1 year
Options to terminate lease	3 years
Maximum
Lessee, Lease, Description [Line Items]
Remaining term of leases	8 years
Options to terminate lease	6 years

X

- Definition

Lessee, Operating Lease, Lease Not Yet Commenced, Future Lease Payments

+ References

No definition available.

+ Details

Name:	tenb_LesseeOperatingLeaseLeaseNotYetCommencedFutureLeasePayments
Namespace Prefix:	tenb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Lessee, Operating Lease, Options To Terminate

+ References

No definition available.

+ Details

Name:	tenb_LesseeOperatingLeaseOptionsToTerminate
Namespace Prefix:	tenb_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Lessee, Operating Lease, Remaining Lease Term

+ References

No definition available.

+ Details

Name:	tenb_LesseeOperatingLeaseRemainingLeaseTerm
Namespace Prefix:	tenb_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: