Property and Equipment

12 Months Ended

Dec. 31, 2021

Property and Equipment

Property and Equipment

7. Property and Equipment

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

	Estimated
	Useful Lives	December 31,
	in Years	2021		2020
Land	—	$	6,792	$	7,167
Transportation equipment	1 - 7		132,792		113,802
Machinery and equipment	1 - 20		48,000		43,386
Computer and telephone equipment	1 - 10		23,065		23,215
Buildings and leasehold improvements	1 - 40		74,981		69,683
Furniture and fixtures	1 - 17		6,081		5,861
Construction in progress	—		1,668		1,294
			293,379		264,408
Less—Accumulated depreciation			(164,825)		(147,202)
Property and equipment, net		$	128,554	$	117,206

Depreciation expense for the years ended December 31, 2021, 2020 and 2019 was $28.4 million, $27.9 million and $24.5 million, respectively.