XML 57 R51.htm IDEA: XBRL DOCUMENT v2.4.0.6
Segment Reporting (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Revenue components of commercial/industrial real estate segment    
Revenue of commercial/industrial real estate segment $ 12,556 $ 9,392
Commercial leases [Member]
   
Revenue components of commercial/industrial real estate segment    
Revenue of commercial/industrial real estate segment 2,918 2,616
Oil and Gas [Member]
   
Revenue components of commercial/industrial real estate segment    
Revenue of commercial/industrial real estate segment 7,183 4,084
Mineral revenue [Member]
   
Revenue components of commercial/industrial real estate segment    
Revenue of commercial/industrial real estate segment 642 561
Grazing leases [Member]
   
Revenue components of commercial/industrial real estate segment    
Revenue of commercial/industrial real estate segment 587 564
Land Sale [Member]
   
Revenue components of commercial/industrial real estate segment    
Revenue of commercial/industrial real estate segment 648  
All other land management ancillary services [Member]
   
Revenue components of commercial/industrial real estate segment    
Revenue of commercial/industrial real estate segment $ 578 $ 1,567