Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill / Tradename

(Table only in thousands)	Three months ended March 31, 2018						Year ended December 31, 2017
Goodwill / Tradename	Goodwill			Tradename			Goodwill			Tradename
Beginning balance	$	166,951		$	19,691		$	170,153		$	22,042
Divestitures		(14,317	)		(1,340	)		—			—
Impairment		—			—			(4,443	)		(2,725	)
Foreign currency translation		146			61			1,241			374
	$	152,780		$	18,412		$	166,951		$	19,691

Intangible Assets - Finite Life

(Table only in thousands)	As of March 31, 2018					As of December 31, 2017
Intangible assets – finite life	Cost			Accum. Amort.		Cost			Accum. Amort.
Technology	$	14,457		$	8,118	$	15,867		$	8,609
Customer lists		72,978			34,421		77,497			35,024
Noncompetition agreements		1,118			753		1,118			698
Tradename		1,390			475		1,390			440
Foreign currency adjustments		(700	)		188		(1,214	)		(69	)
	$	89,243		$	43,955	$	94,658		$	44,702

Summary of Finite Lived Intangible Assets Activities

Activity for the three months ended March 31, 2018 and 2017 is as follows:

(Table only in thousands)	2018			2017
Intangible assets – finite life, net at beginning of period	$	49,956		$	60,728
Amortization expense		(2,555	)		(2,890	)
Divestitures		(2,372	)		—
Foreign currency adjustments		259			68
Intangible assets – finite life, net at end of period	$	45,288		$	57,906