Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2013

Intangible Assets

Summary of intangible asset categories, amounts and the average amortization periods

	Amortization	June 30,		December 31,
	Period	2013		2012
Tradename	3 to 10 years	$	22,593	$	23,586
Non-compete agreements	2 to 5 years	$	3,407	$	4,130
Customer relationships	5 to 15 years	$	23,893	$	24,212
Backlog	0.75 years	$	—	$	50
Total		$	49,893	$	51,978

Schedule of estimated future amortization expense for intangible assets

For the Years Ending December 31,	Estimated Intangible Amortization Expense
2013 (remaining six months)	$	3,655
2014	7,489
2015	7,220
2016	6,274
2017	5,909
Thereafter	19,346
	$	49,893