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Property, Plant And Equipment
6 Months Ended
Jun. 30, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant And Equipment
PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment consisted of the following:
 
June 30, 2014
 
December 31, 2013
 
 
 
 
 
(In thousands)
Oil and gas properties
 
 
 
Subject to depletion
$
5,654,672

 
$
5,687,557

Unevaluated costs
230,719

 
221,605

Accumulated depletion
(5,283,734
)
 
(5,268,719
)
Net oil and gas properties
601,657

 
640,443

Other property and equipment
 
 
 
Pipelines and processing facilities
340,618

 
347,093

General properties
71,720

 
72,125

Accumulated depreciation
(198,664
)
 
(198,856
)
Net other property and equipment
213,674

 
220,362

Property, plant and equipment, net of accumulated depletion and depreciation
$
815,331

 
$
860,805