Other Intangible Assets

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Other intangible assets are as follows (in thousands):



	September 30, 2017				December 31, 2016
	Cost		Accumulated Amortization		Cost		Accumulated Amortization
Finite-lived intangible assets:
Patents and technology	$	17,236	$	5,323	$	16,815	$	4,537
Customer lists	30,877		7,745		30,877		6,518
Trademarks and brand names	1,544		1,105		1,467		1,069
Total finite-lived intangible assets acquired	49,657		14,173		49,159		12,124
Deferred financing costs	2,230		493		1,804		117
Total amortizable intangible assets	51,887		$	14,666	50,963		$	12,241
Indefinite-lived intangible assets:
Trademarks and brand names	11,630				11,630
Total other intangible assets	$	63,517			$	62,593

Carrying value:
Other intangible assets, net	$	48,851			$	50,352

Finite-lived intangible assets acquired are amortized on a straight-line basis over two to 20 years. Amortization of finite-lived intangible assets acquired totaled $0.7 million and $0.7 million for the three months ended September 30, 2017 and 2016, respectively, and $2.0 million and $2.1 million for the nine months ended September 30, 2017 and 2016, respectively.

Amortization of deferred financing costs was $0.1 million and $0.1 million for the three months ended September 30, 2017 and 2016, respectively, and $0.4 million and $0.3 million for the nine months ended September 30, 2017 and 2016, respectively.