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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2015
Summary of Significant Accounting Policies [Abstract]  
Schedule of Asset Retirement Obligations

The table below (in thousands) reflects the changes to our ARO:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   

   

2015

 

 

2014

Balance, beginning of year

   

$

 12,074 

   

   

$

 5,290 

Accretion

   

   

 498 

   

   

   

 534 

Vectren acquisition

 

 

 

 

 

 

 6,550 

Additions

 

 

 

 

 

 

 

Other

   

   

 (341)

   

   

   

 (300)

Balance, end of year

   

$

 12,231 

   

   

$

 12,074