Basket, Rate

No definition available.

Name:	inap_BasketRate
Namespace Prefix:	inap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum Sale of Assets Proceeds Amount that May Be Reinvested

+ References

No definition available.

+ Details

Name:	inap_MaximumSaleofAssetsProceedsAmountthatMayBeReinvested
Namespace Prefix:	inap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents maximum total leverage ratio during the reporting period.

+ References

No definition available.

+ Details

Name:	inap_MaximumTotalLeverageRatio
Namespace Prefix:	inap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents minimum consolidated interest coverage ratio during the reporting period.

+ References

No definition available.

+ Details

Name:	inap_MinimumConsolidatedInterestCoverageRatio
Namespace Prefix:	inap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Permitted Asset Dispositions

+ References

No definition available.

+ Details

Name:	inap_PermittedAssetDispositions
Namespace Prefix:	inap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=inap_SixthAmendmentToCreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=inap_InvestmentBasketMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=inap_IncrementalFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=inap_ForeignSubsidiaryDebtBasketMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=inap_GeneralBasketMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	inap_PeriodAxis=inap_DateRange22Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	inap_PeriodAxis=inap_DateRange23Member
Namespace Prefix:
Data Type:	na
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SUBSEQUENT EVENTS (Details)	Oct. 29, 2019 USD ($)	May 08, 2019 USD ($)	May 07, 2019 USD ($)
Sixth Amendment To Credit Agreement \| Credit Agreement
Subsequent Event [Line Items]
Permitted asset dispositions		$ 50,000,000	$ 150,000,000
Maximum sales proceeds that may be reinvested		2,500,000
Sixth Amendment To Credit Agreement \| Investment Basket
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity		$ 25,000,000.0
Basket rate		30.00%
Sixth Amendment To Credit Agreement \| Incremental Facility
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity		$ 50,000,000.0
Sixth Amendment To Credit Agreement \| Foreign Subsidiary Debt Basket
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity		$ 15,000,000.0
Basket rate		18.00%
Sixth Amendment To Credit Agreement \| General Basket
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity		$ 50,000,000.0
Basket rate		61.00%
Subsequent Event \| Seventh Amendment To Agreement \| Credit Agreement
Subsequent Event [Line Items]
Permitted asset dispositions	$ 25,000,000.0
Maximum sales proceeds that may be reinvested	1,000,000.0
Subsequent Event \| Seventh Amendment To Agreement \| Investment Basket
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity	$ 12,500,000.0
Basket rate	15.00%
Subsequent Event \| Seventh Amendment To Agreement \| Incremental Facility
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity	$ 25,000,000.0
Subsequent Event \| Seventh Amendment To Agreement \| Foreign Subsidiary Debt Basket
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity	$ 5,000,000.0
Basket rate	6.00%
Subsequent Event \| Seventh Amendment To Agreement \| General Basket
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity	$ 25,000,000.0
Basket rate	30.00%
Subsequent Event \| Seventh Amendment To Agreement \| December 31, 2019 - December 31, 2020 \| Credit Agreement
Subsequent Event [Line Items]
Maximum total leverage ratio	7.25
Minimum consolidated interest coverage ratio	1.60
Subsequent Event \| Seventh Amendment To Agreement \| March 31, 2021 \| Credit Agreement
Subsequent Event [Line Items]
Maximum total leverage ratio	5.50
Minimum consolidated interest coverage ratio	2.00
Subsequent Event \| Seventh Amendment To Agreement \| June 30, 2021 \| Credit Agreement
Subsequent Event [Line Items]
Maximum total leverage ratio	5.00
Subsequent Event \| Seventh Amendment To Agreement \| September 30, 2021 and thereafter \| Credit Agreement
Subsequent Event [Line Items]
Maximum total leverage ratio	4.50