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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)
6 Months Ended
Jun. 30, 2012
FAIR VALUE OF FINANCIAL INSTRUMENTS [Abstract]  
Fair value of long-term debt
Long-term Financial Liabilities

The fair value of Artesian Resources' long-term debt as of June 30, 2012 and December 31, 2011, determined by discounting their future cash flows using current market interest rates on similar instruments with comparable maturities as guided under FASB ASC 825 are shown below:

In thousands
  
 
June 30, 2012
 
December 31, 2011
 
Carrying amount
 $107,769  $108,257 
Estimated fair value
  130,057   127,912 
          

The fair value of Advances for Construction cannot be reasonably estimated due to the inability to accurately estimate the timing and amounts of future refunds expected to be paid over the life of the contracts.  Refund payments are based on the water sales to new customers in the particular development constructed.  The fair value of Advances for Construction would be less than the carrying amount because these financial instruments are non-interest bearing.