Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Intangible Assets Gross Excluding Goodwill [Abstract]

Schedule of Other Intangible Assets

Other intangible assets consist of the following:

(in thousands)	September 30, 2017			December 31, 2016
Finite-lived intangible assets:
Customer relationships	$	77,600		$	78,542
Noncompete agreements		10,210			10,007
Trademarks		7,210			6,472
Internal-use software licenses		27,632			16,038
Patents		2,840			2,840
		125,492			113,899
Accumulated amortization		(67,250	)		(51,885	)
		58,242			62,014
Indefinite-lived intangible assets:
Licenses		16,884			16,884
	$	75,126		$	78,898

Estimated Amortization Expense for Finite-Lived Intangible Assets

Estimated amortization expense for finite-lived intangible assets for the next five years is as follows:

Year	(in thousands)
Remainder of 2017	$	7,975
2018	$	15,920
2019	$	9,210
2020	$	5,221
2021	$	2,976
2022	$	2,380