Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of other intangible assets

Other intangible assets are as follows (in thousands):

	September 30, 2018				December 31, 2017
	Cost		Accumulated Amortization		Cost		Accumulated Amortization
Finite-lived intangible assets:
Patents and technology	$	18,824	$	6,389	$	17,310	$	5,586
Customer lists	30,877		9,274		30,877		8,127
Trademarks and brand names	1,531		1,151		1,549		1,117
Total finite-lived intangible assets acquired	51,232		16,814		49,736		14,830
Deferred financing costs	1,882		392		1,791		96
Total amortizable intangible assets	53,114		$	17,206	51,527		$	14,926
Indefinite-lived intangible assets:
Trademarks and brand names	11,630				11,630
Total other intangible assets	$	64,744			$	63,157
Carrying value:
Other intangible assets, net	$	47,538			$	48,231