Intangibles (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Indefinite-Lived Intangible Assets

The company's intangibles consist of the following (in thousands):

	December 31, 2019				December 31, 2018
	Historical Cost		Accumulated Amortization		Historical Cost		Accumulated Amortization
Customer lists	$	51,108	$	51,108	$	51,828	$	50,768
Trademarks	23,479		—		24,385		—
License agreements	2,884		770		733		733
Developed technology	7,483		6,642		7,608		6,563
Patents	5,521		5,521		5,500		5,497
Other	1,163		1,150		1,162		1,149
Intangibles	$	91,638	$	65,191	$	91,216	$	64,710

Schedule of Finite Lived Intangible Assets

The company's intangibles consist of the following (in thousands):

	December 31, 2019				December 31, 2018
	Historical Cost		Accumulated Amortization		Historical Cost		Accumulated Amortization
Customer lists	$	51,108	$	51,108	$	51,828	$	50,768
Trademarks	23,479		—		24,385		—
License agreements	2,884		770		733		733
Developed technology	7,483		6,642		7,608		6,563
Patents	5,521		5,521		5,500		5,497
Other	1,163		1,150		1,162		1,149
Intangibles	$	91,638	$	65,191	$	91,216	$	64,710