Identified Intangible Assets and Goodwill, Net (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of identified intangible assets and goodwill, net [Table Text Block]

The carrying amounts of the identified intangibles and goodwill acquired in connection with our historical investments in businesses were as follows:

	March 31, 2018				December 31, 2017
Identified Intangible Assets and Goodwill, Net	Carrying Amount		Accumulated Amortization		Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Customer lists/relationships	$	21,972	$	17,186	$	21,487	$	16,846
Employment-related	7,332		6,691		7,333		6,624
Tradenames	5,978		5,193		5,978		5,134
Amortized intangible assets	35,282		$	29,070	34,798		$	28,604
Less accumulated amortization	29,070				28,604
Identified intangibles, net	6,212				6,194
Unamortized intangible assets:
Goodwill	35,163				35,477
	$	41,375			$	41,671

Schedule of Goodwill [Table Text Block]

The changes in the carrying amounts of goodwill, by segment, for the three months endedMarch 31, 2018 follow:

	Balance at January 1, 2018		Acquisitions		Translation and Other Adjustments			Balance at March 31, 2018
Utility	$	3,424	$	—	$	—		$	3,424
Residential and Commercial	32,053		—		(314		)	31,739
Total	$	35,477	$	—	$	(314	)	$	35,163