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Subsequent Events (Details) (Agreement to operate the City of Hawthorne's water system, USD $)
In Millions, unless otherwise specified
1 Months Ended
Oct. 31, 2011
Y
Oct. 04, 2011
Agreement to operate the City of Hawthorne's water system
  
Subsequent Events  
Agreement term (in years)15 
One-time base rent payment $ 8.1
Annual rent payments$ 0.9