Property And Equipment, Net (Tables)

6 Months Ended

Jun. 30, 2019

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

As of June 30, 2019 and December 31, 2018, total property and equipment, net consisted of the following:

	June 30, 2019			December 31, 2018
	(In thousands)
Oil and gas properties, full cost method
Proved properties		$6,685,543			$6,278,321
Accumulated depreciation, depletion and amortization and impairments	(4,098,202		)	(3,944,851		)
Proved properties, net	2,587,341			2,333,470
Unproved properties, not being amortized
Unevaluated leasehold and seismic costs	580,369			608,830
Capitalized interest	76,607			65,003
Total unproved properties, not being amortized	656,976			673,833
Other property and equipment	30,580			29,191
Accumulated depreciation	(19,392		)	(17,970		)
Other property and equipment, net	11,188			11,221
Total property and equipment, net		$3,255,505			$3,018,524