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Assets Held for Sale (Tables)
3 Months Ended
Mar. 31, 2016
Discontinued Operations and Disposal Groups [Abstract]  
Assets Held for Sale
The following table presents balance sheet data related to the assets held for sale:
 
March 31, 2016
 
(In thousands)
Assets:
 
Oil and gas properties
$
121,137

Other property and equipment
34

Less: accumulated depreciation, depletion, amortization and impairment
(95,326
)
Total assets
$
25,845

Liabilities:
 
Asset retirement obligation
$
(10,155
)
Total liabilities
$
(10,155
)
Net assets
$
15,690