INTANGIBLE ASSETS AND GOODWILL (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Amortization of identifiable intangible assets

Amortizing identifiable intangible assets related to the Company’s acquisitions or capitalized costs of internally developed or externally purchased software that form the basis for the Company’s products consisted of the following at December 31, 2017 and 2016 (in thousands):

	December 31,
	2017							2016
	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
Completed technologies and patents	$	58,609	$	(47,072	)	$	11,537	$	57,994	$	(38,657	)	$	19,337
Customer relationships	54,946		(52,801		)	2,145		54,597		(51,002		)	3,595
Trade names	1,346		(1,346		)	—		1,346		(1,346		)	—
Capitalized software costs	4,911		(4,911		)	—		4,911		(4,911		)	—
Total	$	119,812	$	(106,130	)	$	13,682	$	118,848	$	(95,916	)	$	22,932