CHANGE IN ORGANIZATIONAL STRUCTURE (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Change In Organizational Structure And Realignment Of Expenses [Line Items]
Total revenues	$ 69,642	$ 74,315	$ 141,775	$ 150,239
Data center and network services
Change In Organizational Structure And Realignment Of Expenses [Line Items]
Total revenues		0		0
Direct costs of sales and services, exclusive of depreciation and amortization		0		0
Cloud and hosting services
Change In Organizational Structure And Realignment Of Expenses [Line Items]
Total revenues		0		0
Direct costs of sales and services, exclusive of depreciation and amortization		0		0
INAP COLO
Change In Organizational Structure And Realignment Of Expenses [Line Items]
Total revenues	52,044	55,827	105,383	111,708
Direct costs of sales and services, exclusive of depreciation and amortization	22,070	26,736	46,876	53,069
INAP CLOUD
Change In Organizational Structure And Realignment Of Expenses [Line Items]
Total revenues	17,598	18,488	36,392	38,531
Direct costs of sales and services, exclusive of depreciation and amortization	$ 4,359	4,634	$ 8,598	9,378
As Previously Reported | Data center and network services
Change In Organizational Structure And Realignment Of Expenses [Line Items]
Total revenues		50,459		101,331
Direct costs of sales and services, exclusive of depreciation and amortization		24,650		49,023
As Previously Reported | Cloud and hosting services
Change In Organizational Structure And Realignment Of Expenses [Line Items]
Total revenues		23,856		48,908
Direct costs of sales and services, exclusive of depreciation and amortization		6,720		13,424
As Previously Reported | INAP COLO
Change In Organizational Structure And Realignment Of Expenses [Line Items]
Total revenues		0		0
Direct costs of sales and services, exclusive of depreciation and amortization		0
As Previously Reported | INAP CLOUD
Change In Organizational Structure And Realignment Of Expenses [Line Items]
Total revenues		0		0
Direct costs of sales and services, exclusive of depreciation and amortization		0
Reclassification | Data center and network services
Change In Organizational Structure And Realignment Of Expenses [Line Items]
Total revenues		(50,459)		(101,331)
Direct costs of sales and services, exclusive of depreciation and amortization		(24,650)		(49,023)
Reclassification | Cloud and hosting services
Change In Organizational Structure And Realignment Of Expenses [Line Items]
Total revenues		(23,856)		(48,908)
Direct costs of sales and services, exclusive of depreciation and amortization		(6,720)		(13,424)
Reclassification | INAP COLO
Change In Organizational Structure And Realignment Of Expenses [Line Items]
Total revenues		55,827		111,708
Direct costs of sales and services, exclusive of depreciation and amortization		26,736		53,069
Reclassification | INAP CLOUD
Change In Organizational Structure And Realignment Of Expenses [Line Items]
Total revenues		18,488		38,531
Direct costs of sales and services, exclusive of depreciation and amortization		$ 4,634		$ 9,378