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Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2016
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, plant and equipment includes the following (in thousands):
 
September 30, 2016
 
December 31, 2015
Oil and natural gas properties:
 
 
 
Subject to depletion
$
2,224,830

 
$
1,627,367

Not subject to depletion
 
 
 
Incurred in 2016
731,072

 
—

Incurred in 2015
36,833

 
118,101

Incurred in 2014 and prior
442,779

 
500,693

Total not subject to depletion
1,210,684

 
618,794

Oil and natural gas properties, successful efforts method
3,435,514

 
2,246,161

Accumulated depreciation, depletion and impairment
(450,387
)
 
(290,186
)
Total oil and natural gas properties, net
2,985,127

 
1,955,975

Other property, plant and equipment
59,585

 
37,253

Less accumulated depreciation
(12,144
)
 
(7,475
)
Other property, plant and equipment, net
47,441

 
29,778

Total property, plant and equipment, net
$
3,032,568

 
$
1,985,753