XML 121 R100.htm IDEA: XBRL DOCUMENT v3.3.1.900
Related Party Transactions (Details)
12 Months Ended
Dec. 31, 2015
USD ($)
nonemployeedirectors
shares
Dec. 31, 2014
USD ($)
shares
Dec. 31, 2013
USD ($)
May. 20, 2014
shares
Related Party Transaction [Line Items]        
Number Of Non employee Directors Electing To Receive Deferred Stock Units | nonemployeedirectors 6      
Shares issued | shares 153,658,866 153,192,845   7,542
Deferred Stock Units Outstanding 93,044 84,435    
Executive Vice President and New York regional manager [Member]        
Related Party Transaction [Line Items]        
Aggregate leasing commissions paid to related parties $ 616,000 $ 1,214,000 $ 592,000  
Brother of Senior Executive Vice President [Member]        
Related Party Transaction [Line Items]        
Aggregate leasing commissions paid to related parties $ 384,000 $ 674,000 $ 868,000