Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and equipment consisted of the following at December 31, 2022 and 2021 (in thousands):

	2022			2021
Equipment	$	7,551,099		$	7,742,101
Oil and natural gas properties		236,156			229,403
Buildings		175,212			182,280
Land		23,610			24,562
Total property and equipment		7,986,077			8,178,346
Less accumulated depreciation, depletion, amortization and impairment		(5,725,501	)		(5,846,591	)
Property and equipment, net	$	2,260,576		$	2,331,755

Summary of Depreciation, Depletion, Amortization and Impairment Expense related to Property and Equipment and Intangible Assets and Liabilities

Depreciation, depletion, amortization and impairment — The following table summarizes depreciation, depletion, amortization and impairment expense related to property and equipment, intangible assets and liabilities for 2022, 2021 and 2020 (in thousands):

	2022		2021		2020
Depreciation and impairment expense	$	472,969	$	818,999	$	644,943
Amortization expense		2,891		24,606		19,281
Depletion expense		8,085		5,573		6,686
Total	$	483,945	$	849,178	$	670,910