GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of re-allocations and impairment of goodwill

During the years ended December 31, 2017 and 2016, our goodwill activity is as follows (in thousands): 

	January 1, 2016		Re-allocations			Impairment			December 31, 2016		Re-allocations			December 31, 2017
Reportable segments:
Data center services	$	90,849	$	(90,849	)	$	—		$	—	$	—		$	—
IP services	39,464		(39,464		)	—			—		—			—
Data center and network services	—		80,105			(80,105		)			—			—
Cloud and hosting services	—		50,209			—			50,209		(50,209		)	—
INAP COLO									—		6,003			6,003
INAP CLOUD									—		44,206			44,206
Total	$	130,313	$	—		$	(80,105	)	$	50,209	$	—		$	50,209

Schedule of components of amortizing intangible assets, including capitalized software

The components of our amortizing intangible assets, including capitalized software, are as follows (in thousands): 

	December 31, 2017				December 31, 2016
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Acquired and developed technology	$	52,825	(48,063	)	$	52,195	$	(45,995	)
Customer relationships and trade names	71,116		(50,212	)	69,698		(47,920		)
	$	123,941	(98,275	)	$	121,893	$	(93,915	)

Schedule of finite-lived intangible assets, future amortization expense

As of December 31, 2017, remaining amortization expense is as follows (in thousands): 

2018	$	4,649
2019	4,146
2020	3,236
2021	2,753
2022	1,794
Thereafter	9,088
	$	25,666