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Capitalization (Tables)
9 Months Ended
Sep. 30, 2017
CAPITALIZATION:  
Schedule of carrying amount and fair value of bonds

The carrying amount and fair value of the Bonds were as follows:

 

   (In Thousands)
   September 30, 2017  December 31, 2016
   Carrying  Fair  Carrying  Fair
   Amount  Value  Amount  Value
Bonds  $80,203   $82,573   $82,786   $84,821