INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2020

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Schedule of acquired finite-lived intangible assets by major class

Intangible assets consist of the following (in thousands, except amortization period data):

	March 31, 2020			December 31, 2019			Weighted- Average Amortization Period (in years)
Acquired technology and data	$	104,933		$	105,168		5
Accumulated amortization	(91,929		)	(90,542		)
Acquired technology and data, net	13,004			14,626
Acquired customer base	484,131			487,532			11
Accumulated amortization	(243,803		)	(233,202		)
Acquired customer base, net	240,328			254,330
Acquired trade names and other intangible assets	237,821			236,358			12
Accumulated amortization	(90,464		)	(84,118		)
Acquired trade names and other intangible assets, net	147,357			152,240
Intangible assets, net	$	400,689		$	421,196