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Costs Incurred for Property Acquisition, Exploration and Development (Tables)
9 Months Ended
Sep. 30, 2020
Extractive Industries [Abstract]  
Costs Incurred for Property Acquisition, Exploration and Development

 

 

Nine Months

Ended

September 30,

2020

 

 

Year

Ended

December 31, 2019

 

 

 

(in thousands)

 

Acquisitions:

 

 

 

 

 

 

 

 

Acreage purchases

 

$

11,864

 

 

$

57,324

 

Development

 

 

283,354

 

 

 

666,984

 

Exploration:

 

 

 

 

 

 

 

 

Expense

 

 

22,296

 

 

 

35,117

 

Stock-based compensation expense

 

 

895

 

 

 

1,566

 

Gas gathering facilities:

 

 

 

 

 

 

 

 

Development

 

 

2,764

 

 

 

3,583

 

Subtotal

 

 

321,173

 

 

 

764,574

 

Asset retirement obligations

 

 

4,587

 

 

 

11,193

 

Total costs incurred

 

$

325,760

 

 

$

775,767

 

(a)

Includes costs incurred whether capitalized or expensed.