Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment

Schedule of major components of property, plant and equipment

	December 31,
	2022		2021
	(In thousands)
Land	$	22,672	$	22,955
Buildings		134,063		130,917
Drilling rigs and related equipment		11,722,404		11,718,450
Oilfield hauling and mobile equipment		233,708		243,850
Other machinery and equipment		216,233		200,740
	$	12,329,080	$	12,316,912
Less: accumulated depreciation and amortization		(9,302,980)		(8,968,414)
	$	3,026,100	$	3,348,498