Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

 v2.3.0.11
Segment Information (Details) (USD $)
In Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Dec. 31, 2010
Real estate rental revenue $ 80,570 $ 72,402 $ 158,725 $ 145,953  
Real estate expenses 26,214 23,172 52,302 49,341  
Net operating income 54,356 49,230 106,423 96,612  
Depreciation and amortization (25,459) (22,720) (50,209) (45,307)  
Interest expense (17,097) (16,785) (34,223) (33,623)  
General and administrative (4,049) (3,519) (7,751) (7,302)  
Acquisition costs (322) (409) (1,971) (464)  
Other income 310 297 616 586  
Gain (loss) on extinguishment of debt, net       (42)  
Gain on sale of real estate   7,942   7,942  
Income tax expense (1,173)   (1,173)    
Income (loss) from discontinued operations (10) 985 (468) 1,884  
Net income 6,556 15,021 11,244 20,286  
Less: Net income attributable to noncontrolling interests (34) (27) (57) (76)  
Net income attributable to the controlling interests 6,522 14,994 11,187 20,210  
Capital expenditures 6,835 5,709 10,630 9,236  
Total assets 2,187,176 2,066,840 2,187,176 2,066,840 2,167,881 [1]
Office [Member]
          
Real estate rental revenue 35,936 31,422 70,039 62,395  
Real estate expenses 12,124 10,427 23,612 21,202  
Net operating income 23,812 20,995 46,427 41,193  
Capital expenditures 3,367 2,799 5,833 5,124  
Total assets 991,238 968,631 991,238 968,631  
Medical Office [Member]
          
Real estate rental revenue 11,519 11,288 22,650 22,703  
Real estate expenses 3,421 3,603 7,090 7,554  
Net operating income 8,098 7,685 15,560 15,149  
Capital expenditures 1,288 1,960 1,957 2,722  
Total assets 352,242 357,696 352,242 357,696  
Retail [Member]
          
Real estate rental revenue 12,237 10,200 24,384 20,701  
Real estate expenses 3,619 2,566 7,161 5,850  
Net operating income 8,618 7,634 17,223 14,851  
Capital expenditures 1,030 287 1,471 205  
Total assets 308,655 222,972 308,655 222,972  
Multifamily [Member]
          
Real estate rental revenue 12,709 11,914 25,202 23,756  
Real estate expenses 4,859 4,523 9,687 9,626  
Net operating income 7,850 7,391 15,515 14,130  
Capital expenditures 766 498 641 731  
Total assets 236,358 233,976 236,358 233,976  
Industrial/Flex [Member]
          
Real estate rental revenue 8,169 7,578 16,450 16,398  
Real estate expenses 2,191 2,053 4,752 5,109  
Net operating income 5,978 5,525 11,698 11,289  
Capital expenditures 258 62 497 290  
Total assets 223,536 242,025 223,536 242,025  
Corporate and Other [Member]
          
Capital expenditures 126 103 231 164  
Total assets $ 75,147 $ 41,540 $ 75,147 $ 41,540  
[1] As adjusted (see note 3 to the consolidated financial statements)