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REGULATORY ASSETS (Tables)
3 Months Ended
Mar. 31, 2013
REGULATORY ASSETS [Abstract]  
Regulatory assets, net of amortization, comprise
Regulatory assets, net of amortization, comprise:
 
 
 
 
(in thousands)
 
 
March 31, 2013
 
December 31, 2012
 
 
 
  
 
Postretirement benefit obligation
 
$
497
  
$
497
 
Deferred income taxes
  
487
   
491
 
Goodwill
  
338
   
340
 
Deferred acquisition and franchise costs
  
820
   
824
 
Expense of rate and regulatory proceedings
  
179
   
241
 
 
 
$
2,321
  
$
2,393