Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2014

Changes in Goodwill by Business Segment

The changes in goodwill, by business segment, for the six months ended June 30, 2014 are as follows (in thousands):

	Professional Services		Infrastructure Services		Field Services		Other Services			Total
Goodwill at December 31, 2013	$	8,604	$	1,882	$	58,463	$	185		$	69,134
Integration of the Other Services segment		—		—		185		(185	)		—
Purchase price allocation adjustment		44		—		—		—			44
Goodwill at June 30, 2014	$	8,648	$	1,882	$	58,648	$	—		$	69,178

Summary of Intangible Assets

Intangible assets as of June 30, 2014 are as follows (in thousands):

	Gross Carrying Amount		Accumulated Amortization		Impairment Charges		Intangible Assets, net
Customer contracts	$	13,900	$	1,270	$	—	$	12,630
Customer relationships		7,710		2,231		920		4,559
Tradename		3,860		1,110		—		2,750
Software		3,810		635		—		3,175
Noncompete agreements		3,150		840		—		2,310
Customer backlog		1,470		1,470		—		—
Total	$	33,900	$	7,556	$	920	$	25,424

Summary of Changes in Intangible Assets

The changes in intangible assets for the six months ended June 30, 2014 are as follows (in thousands):

Intangible assets, net at December 31, 2013	$	29,156
Amortization expense		2,812
Impairment charge		920
Intangible assets, net at June 30, 2014	$	25,424