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Notes Payable (Details1) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Future maturities of notes payable    
2013 $ 3,288  
2014 3,379  
2015 3,466  
2016 3,547  
2017 3,645  
Thereafter 90,652  
Total 59,057 59,030
Notes Payable
   
Future maturities of notes payable    
2013 27,569  
2014 8,585  
2015 10,116  
2016 6,550  
2017 5,140  
Thereafter 1,097  
Total $ 59,057