Property and Equipment

12 Months Ended

Dec. 31, 2022

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	2022		2021
Land	—	$	6,792	$	6,792
Transportation equipment	1 - 7		153,587		132,792
Machinery and equipment	1 - 20		56,357		48,000
Computer and telephone equipment	1 - 10		23,551		23,065
Buildings and leasehold improvements	1 - 40		80,275		74,981
Furniture and fixtures	1 - 17		6,270		6,081
Construction in progress	—		6,717		1,668
			333,549		293,379
Less—Accumulated depreciation			(189,600)		(164,825)
Property and equipment, net		$	143,949	$	128,554

Depreciation expense for the years ended December 31, 2022, 2021 and 2020 was $33.6 million, $28.4 million and $27.9 million, respectively.