PROPERTY AND EQUIPMENT (Tables)

3 Months Ended

Mar. 31, 2020

PROPERTY AND EQUIPMENT

Schedule of property and equipment

	March 31, 2020		December 31, 2019
	(in thousands)
Land	$	14,213	$	16,030
Buildings and leasehold improvements		98,815		97,426
Vehicles and equipment		47,809		53,819
Vehicles and equipment - finance lease		1,120		1,291
Machinery and equipment		643,551		659,835
Machinery and equipment - finance lease		162		162
Pipelines		71,821		69,327
Computer equipment and software		5,960		8,051
Computer equipment and software - finance lease		356		356
Office furniture and equipment		1,139		1,157
Disposal wells		60,960		64,149
Other		497		497
Construction in progress		40,387		43,279
		986,790		1,015,379
Less accumulated depreciation(1)		(560,340)		(562,986)
Property and equipment held-for-sale, net		—		885
Total property and equipment, net	$	426,450	$	453,278

(1) Includes $1.5 million and $1.6 million of accumulated depreciation related to finance leases as of March 31, 2020 and December 31, 2019, respectively.

Schedule of amortization of intangible assets

	Three Months Ended March 31,
	2020		2019
	(in thousands)
Category
Depreciation expense from property and equipment	$	23,985	$	29,307
Amortization expense from finance leases		77		214
Amortization expense from intangible assets		2,993		2,969
Accretion expense from asset retirement obligations		(188)		28
Total depreciation and amortization	$	26,867	$	32,518