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REGULATORY ASSETS (Tables)
3 Months Ended
Mar. 31, 2020
REGULATORY ASSETS [Abstract]  
Amortization Period of Other Regulatory Expense
Table of Contents

Regulatory expenses amortized on a straight-line basis are noted below:

Expense
Years Amortized
Rate case studies
5
Delaware rate proceedings
2.5
Maryland rate proceedings
5
Debt related costs
 15 to 30 (based on term of related debt)
Goodwill (resulting from acquisition of Mountain Hill Water Company in 2008)
50
Deferred acquisition costs (resulting from purchase of water assets in Cecil County, Maryland in 2011 and Port Deposit, Maryland in 2010)
20
Franchise Costs (resulting from purchase of water assets in Cecil County, Maryland in 2011)
80

Regulatory Assets, Net of Amortization, Comprise
Regulatory assets, net of amortization, comprise:
 
  
(in thousands)
 
  
March 31, 2020
  
December 31, 2019
 
       
Postretirement benefit obligation
 
$
51
  
$
51
 
Deferred income taxes
  
382
   
386
 
Expense of rate case studies
  
25
   
27
 
Debt related costs
  
5,468
   
5,556
 
Goodwill
  
286
   
288
 
Deferred acquisition and franchise costs
  
573
   
583
 
  
$
6,785
  
$
6,891