Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment

Major Components of Property, Plant and Equipment

	December 31,
	2021		2020
	(In thousands)
Land	$	22,955	$	28,261
Buildings		130,917		141,365
Drilling rigs and related equipment		11,702,450		12,487,961
Oilfield hauling and mobile equipment		243,850		259,150
Other machinery and equipment		200,740		195,903
	$	12,300,912	$	13,112,640
Less: accumulated depreciation and amortization		(8,968,414)		(9,126,933)
	$	3,332,498	$	3,985,707