Property And Equipment, Net (Tables)

3 Months Ended

Mar. 31, 2019

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

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

	March 31, 2019			December 31, 2018
	(In thousands)
Oil and gas properties, full cost method
Proved properties		$6,533,028			$6,278,321
Accumulated depreciation, depletion and amortization and impairments	(4,018,850		)	(3,944,851		)
Proved properties, net	2,514,178			2,333,470
Unproved properties, not being amortized
Unevaluated leasehold and seismic costs	595,217			608,830
Capitalized interest	70,740			65,003
Total unproved properties, not being amortized	665,957			673,833
Other property and equipment	30,550			29,191
Accumulated depreciation	(18,670		)	(17,970		)
Other property and equipment, net	11,880			11,221
Total property and equipment, net		$3,192,015			$3,018,524