XML 67 R50.htm IDEA: XBRL DOCUMENT v2.4.0.8
Business Segments (Details Textual) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Business Segments (Textual) [Abstract]    
Number of reportable segments 2  
Conventional Real Estate Operations [Member]
   
Business Segments (Textual) [Abstract]    
Capital additions related to segments $ 149.0 $ 103.7
Affordable Real Estate Operations [Member]
   
Business Segments (Textual) [Abstract]    
Capital additions related to segments $ 4.8 $ 7.8
Affordable Real Estate [Member]
   
Business Segments (Textual) [Abstract]    
Number of owned real estate properties in segments 82  
Number of units in owned real estate properties in segments 11,212  
Conventional Real Estate [Member]
   
Business Segments (Textual) [Abstract]    
Number of owned real estate properties in segments 176  
Number of units in owned real estate properties in segments 55,965