|**Fair Value Of Financial Instruments**            | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
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|**Fair Value Of Financial Instruments [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Fair Value Of Financial Instruments                | Note 6Fair Value of Financial Instruments
		
		The Company follows the Financial Accounting Standards Board’s (“FASB”) accounting guidance for fair value measurements and disclosures, which defines fair value and establishes a framework for using fair value to measure assets and liabilities.  That framework provides a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value.  The hierarchy gives highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements).  The three levels of the fair value hierarchy are as follows:
		
		·Level 1:  unadjusted quoted prices in active markets for identical assets or liabilities that the Company has the ability to access;
		
		·Level 2:  inputs other than Level 1 that are observable, either directly or indirectly, such as quoted market prices in active markets for similar assets or liabilities, quoted prices for identical or similar assets or liabilities in non-active markets, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; or
		
		·Level 3:  inputs that are unobservable and significant to the fair value measurement.
		
		The asset’s or liability’s fair value measurement level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement.  Valuation techniques used need to maximize the use of observable inputs and minimize the use of unobservable inputs.  There have been no changes in the valuation techniques used to measure fair value or asset or liability transfers between the levels of the fair value hierarchy for the quarter endedMarch 31, 2014.
		
		Financial instruments are recorded at carrying value in the financial statements and approximate fair value as of the dates presented.  The fair value of these instruments is disclosed below in accordance with current accounting guidance related to financial instruments.
		
		The fair value of funds restricted for construction activity and loans payable are determined based on their carrying amount and utilizing Level 1 methods and assumptions.  As ofMarch 31, 2014andDecember 31, 2013, the carrying amount of the Company’s funds restricted for construction activity was$47and $47, respectively, which equates to their estimated fair value.  As ofMarch 31, 2014andDecember 31, 2013, the carrying amount of the Company’s loans payable was$27,913and $36,740, respectively, which equates to their estimated fair value.  The fair value of cash and cash equivalents, which is comprised of a money market fund, is determined based on the net asset value per unit utilizing Level 2 methods and assumptions.  As ofMarch 31, 2014andDecember 31, 2013, the carrying amounts of the Company's cash and cash equivalents was$17,508and $5,058, respectively, which equates to their fair value.
		
		
		The carrying amounts and estimated fair values of the Company’s long-term debt is as follows:
		March 31,
				
				December 31,2014
				
				2013Carrying Amount
				
				$
				1,595,829
				
				$
				1,554,871Estimated Fair Value
				
				
				1,622,265
				
				
				1,540,296
		
		
		The fair value of long-term debt has been determined by discounting the future cash flows using current market interest rates for similar financial instruments of the same duration utilizing Level 2 methods and assumptions.  The Company’s customers’ advances for construction have a carryingvalueof$73,728as ofMarch 31, 2014, and$73,892as ofDecember 31, 2013.  Their relative fair values cannot be accurately estimated because future refund payments depend on several variables, including new customer connections, customer consumption levels, and future rate increases.  Portions of these non-interest bearing instruments are payable annually through 2029 and amounts not paid by the respective contract expiration dates become non-refundable.  The fair value of these amounts would, however, be less than their carrying value due to the non-interest bearing feature.
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|                                                   | Carrying Amount                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|                                                   | Estimated Fair Value                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          

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