Annual report pursuant to Section 13 and 15(d)

Summary Of Significant Accounting Policies (Narrative) (Details)

v2.4.0.6
Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)
3 Months Ended 12 Months Ended 1 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
Sep. 30, 2010
Jun. 30, 2010
Mar. 31, 2010
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
May 31, 2011
Locke Sovran II, LLC [Member]
Dec. 31, 2010
Locke Sovran II, LLC [Member]
Jun. 30, 2011
West Deptford JV, LLC [Member]
Dec. 31, 2011
West Deptford JV, LLC [Member]
Dec. 31, 2011
Buildings And Improvements [Member]
years
Dec. 31, 2010
Buildings And Improvements [Member]
Dec. 31, 2011
Furniture, Fixtures And Equipment [Member]
years
Dec. 31, 2011
In-Place Customer Leases [Member]
Summary Of Significant Accounting Policies [Line Items]                                      
Percentage of ownership interest of the subsidiary and its limited partnership which controls the operations of the Operating Partnership 98.80%               98.80%                    
Additional investment in Locke Sovran II, LLC                 $ 13,082,000     $ 17,000,000              
Percentage ownership in consolidated joint venture                       100.00%   20.00% 20.00%        
Reduction of additional-paid-in capital                       3,900,000              
Noncontrolling interest repayment                       2,800,000              
Payments to noncontrolling interests                       14,200,000              
Payments to acquire businesses and interest in affiliates                           4,200,000          
Mortgage note acquired                           2,800,000          
Interest rate for mortgage notes acquired                           8.00%          
Payments to acquire preferred interest in affiliates                           1,400,000          
Preferred interest in investment                           8.00%          
Total assets 1,344,735,000       1,185,541,000       1,344,735,000 1,185,541,000         4,100,000        
Total liabilities 674,730,000       528,398,000       674,730,000 528,398,000         2,900,000        
Total operating revenues 56,658,000 54,254,000 50,709,000 49,535,000 48,856,000 48,623,000 47,309,000 47,284,000 211,156,000 192,072,000 191,040,000       300,000        
Net loss 10,256,000 2,339,000 9,737,000 8,260,000 8,531,000 8,923,000 15,761,000 7,427,000 30,592,000 40,642,000 19,916,000       3,100        
Allowance for doubtful accounts 500,000       200,000       500,000 200,000 300,000                
Units of redeemable noncontrolling interest in operating partnerships                 339,025 339,025                  
Cash balance 29,000       2,400,000       29,000 2,400,000                  
Advertising costs                 3,200,000 2,300,000 1,900,000                
Acquisition related costs                 3,278,000 786,000           3,300,000 800,000    
Estimated useful lives, (in years)                               40      
Estimated useful lives, minimum, (in years)                                   5  
Estimated useful lives, maximum, (in years)                                   20  
Capitalized interest                 100,000 100,000 200,000                
Impairment loss                 1,047,000                    
Loan acquisition costs                 5,900,000 5,900,000                  
Accumulated amortization of loan acquisition costs 1,500,000       4,400,000       1,500,000 4,400,000                  
Note receivable                         2,800,000            
Property deposits                 400,000                    
Gross carrying amount of in-place customer leases 9,542,000       6,014,000       9,542,000 6,014,000                 9,500,000
Accumulated amortization of in-place customer leases 7,019,000       5,449,000       7,019,000 5,449,000                 7,000,000
Amortization expense, including amortization of in-place customer leases                 1,200,000 1,000,000 1,800,000                
Percentage of taxable income distributed to shareholders                 90.00%                    
Federal and state income tax expense                 1,500,000 1,100,000 900,000                
Current taxes payable 200,000               200,000                    
Deferred tax liability 100,000               100,000                    
Compensation expense related to stock options                 302,000 354,000 321,000                
Amortization of non-vested stock grants                 $ 1,500,000 $ 1,300,000 $ 1,400,000                
Weighted-average fair value of options granted                 $ 10.09 $ 8.34 $ 2.73