XML 69 R53.htm IDEA: XBRL DOCUMENT v3.3.1.900
Utility Plant and Intangible Assets (Details 2) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Intangible assets      
Property, Plant and Equipment, Gross $ 1,527,537 $ 1,455,416  
Total amortized intangible assets 36,235 35,468  
Less - accumulated amortization (26,291) (24,456)  
Intangible assets, net of amortization 9,944 11,012  
Unamortized intangible assets [1] 427 427  
Amortization of intangible assets 1,800 1,900 $ 1,900
Estimated future consolidated amortization expenses related to intangible assets      
2014 1,772    
2015 1,741    
2016 1,732    
2017 1,499    
2018 1,374    
Total $ 8,118    
Conservation      
Intangible assets      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 30 years    
Total amortized intangible assets $ 9,496 9,496  
Water and water service rights      
Intangible assets      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 30 years    
Total amortized intangible assets [2] $ 8,695 8,695  
Water planning studies      
Intangible assets      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 14 years    
Total amortized intangible assets $ 18,044 17,277  
GSWC      
Intangible assets      
Property, Plant and Equipment, Gross 1,516,505 1,444,710  
Total amortized intangible assets 35,664 34,897  
Less - accumulated amortization (26,196) (24,373)  
Intangible assets, net of amortization 9,468 10,524  
Unamortized intangible assets [1] 409 409  
GSWC | Conservation      
Intangible assets      
Total amortized intangible assets 9,496 9,496  
GSWC | Water and water service rights      
Intangible assets      
Total amortized intangible assets [2] 8,124 8,124  
GSWC | Water planning studies      
Intangible assets      
Total amortized intangible assets 18,044 17,277  
Intangible Assets [Member] | American States Utility Services [Member]      
Intangible assets      
Property, Plant and Equipment, Gross $ 571 $ 571  
[1] The intangible assets not subject to amortization primarily consist of organization and consent fees.
[2] Includes intangible assets of $571,000 for contracted services included in "Other Property and Investments" on the consolidated balance sheets as of December 31, 2015 and 2014.