Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

v2.4.0.8
Segment Information (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
segment
Sep. 30, 2012
Dec. 31, 2012
Segment Reporting Information [Line Items]          
Number of reportable segments     4    
Real estate rental revenue $ 65,828 $ 64,471 $ 196,303 $ 190,134  
Real estate expenses 23,243 22,527 69,467 64,820  
Net operating income 42,585 41,944 126,836 125,314  
Depreciation and amortization (21,168) (21,682) (63,328) (63,593)  
General and administrative (3,850) (3,173) (11,717) (10,943)  
Acquisition costs (148) 164 (448) (144)  
Interest expense (15,930) (14,886) (47,944) (43,983)  
Other income 220 237 705 733  
Income from operations of properties sold or held for sale 4,131 3,233 11,139 9,642  
Gain on sale of real estate 0 3,724 3,195 3,724  
Net income 5,840 9,561 18,438 20,750  
Less: Net income attributable to noncontrolling interests in subsidiaries 0 0 0 0  
Net income attributable to the controlling interests 5,840 9,561 18,438 20,750  
Capital expenditures 14,295 14,880 39,473 36,820  
Total assets 2,088,355 2,198,795 2,088,355 2,198,795 2,124,376
Office [Member]
          
Segment Reporting Information [Line Items]          
Real estate rental revenue 38,221 37,477 113,849 109,632  
Real estate expenses 14,517 14,114 42,697 39,905  
Net operating income 23,704 23,363 71,152 69,727  
Capital expenditures 9,535 10,058 26,773 25,076  
Total assets 1,116,087 1,144,975 1,116,087 1,144,975  
Medical Office [Member]
          
Segment Reporting Information [Line Items]          
Real estate rental revenue 0 0 0 0  
Real estate expenses 0 0 0 0  
Net operating income 0 0 0 0  
Capital expenditures 505 2,399 3,035 5,020  
Total assets 319,928 343,876 319,928 343,876  
Retail [Member]
          
Segment Reporting Information [Line Items]          
Real estate rental revenue 13,990 13,604 42,105 41,019  
Real estate expenses 3,207 3,015 10,355 9,488  
Net operating income 10,783 10,589 31,750 31,531  
Capital expenditures 198 832 2,732 2,246  
Total assets 348,490 361,383 348,490 361,383  
Multifamily [Member]
          
Segment Reporting Information [Line Items]          
Real estate rental revenue 13,617 13,390 40,349 39,483  
Real estate expenses 5,519 5,398 16,415 15,427  
Net operating income 8,098 7,992 23,934 24,056  
Capital expenditures 4,041 1,496 6,808 3,968  
Total assets 258,027 247,508 258,027 247,508  
Corporate and Other [Member]
          
Segment Reporting Information [Line Items]          
Real estate rental revenue 0 0 0 0  
Real estate expenses 0 0 0 0  
Net operating income 0 0 0 0  
Capital expenditures 16 95 125 510  
Total assets $ 45,823 $ 101,053 $ 45,823 $ 101,053