Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2013

Property Plant And Equipment [Abstract]

Summary of Net Property and Equipment

Net property and equipment consisted of the following at December 31, (amounts in thousands):

	2013			2012
Land	$	6,833		$	6,833
Transportation equipment		60,987			52,816
Building and leasehold improvements		39,253			32,419
Office and computer equipment		46,556			44,288
Machinery and equipment		10,757			9,159
Property under capital leases		3,217			3,217
Construction in progress		6,894			5,558
		174,497			154,290
Less accumulated depreciation and amortization		(75,994	)		(68,101	)
Total net property and equipment	$	98,503		$	86,189