Property and Equipment

12 Months Ended

Dec. 31, 2015

Property and Equipment

Property and Equipment

7. Property and Equipment

        Property and equipment consist of the following (dollars in thousands):

		December 31,
	Estimated Useful Lives in Years
		2015			2014
Land	—	$	2,745		$	2,745
Transportation equipment	1 - 10		64,951			56,229
Machinery and equipment	1 - 20		25,118			24,430
Computer and telephone equipment	1 - 10		21,141			19,812
Buildings and leasehold improvements	1 - 40		30,319			27,720
Furniture and fixtures	1 - 17		4,181			4,461
			148,455			135,397
Less—Accumulated depreciation			(87,642	)		(79,638	)
Property and equipment, net		$	60,813		$	55,759

        Depreciation expense, including capital lease amortization, for the years ended December 31, 2015, 2014 and 2013 was $15.9 million, $13.7 million and $11.4 million, respectively.