Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of Goodwill

The changes in the carrying value of Goodwill for the three months ended March 31, 2017 were as follows:

	Goodwill		Accumulated Impairment Losses			Total
Balance as of December 31, 2016	$	58,397	$	(37,332	)	$	21,065
Additions	19		—			19
Foreign currency fluctuations	986		(614		)	372
Balance as of March 31, 2017	$	59,402	$	(37,946	)	$	21,456

Acquired Intangible Assets excluding Goodwill

The balances of acquired Intangible Assets, excluding Goodwill, as of March 31, 2017 and December 31, 2016, were as follows:

	Customer Lists			Trade Name			Technology			Total
Balance as of March 31, 2017
Original cost	$	10,722		$	2,000		$	5,157		$	17,879
Accumulated amortization	(6,192		)	(89		)	(2,829		)	(9,110		)
Carrying value	$	4,530		$	1,911		$	2,328		$	8,769
Weighted average original life (in years)	10			15			13
Balance as of December 31, 2016
Original cost	$	8,016		$	2,000		$	5,136		$	15,152
Accumulated amortization	(5,948		)	—			(2,744		)	(8,692		)
Carrying value	$	2,068		$	2,000		$	2,392		$	6,460
Weighted average original life (in years)	15			15			13

Estimated aggregate amortization expense of Intangible Assets

Estimated aggregate amortization expense based on the current carrying value of amortizable Intangible Assets for each of the five succeeding years and thereafter is as follows:

Remaining 2017	$	813
2018	1,083
2019	1,083
2020	1,083
2021	1,083
Thereafter	3,624
Total	$	8,769