Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

v2.4.0.6
Segment Information (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2012
segment
Jun. 30, 2011
Jun. 30, 2012
segment
Jun. 30, 2011
Dec. 31, 2011
Segment Reporting Information [Line Items]          
Reportable segments 4   4    
Real estate rental revenue $ 76,777 $ 71,684 $ 153,276 $ 140,888  
Real estate expenses 25,479 23,801 51,492 47,052  
Net operating income 51,298 47,883 101,784 93,836  
Depreciation and amortization (25,591) (22,526) (51,585) (44,422)  
General and administrative (4,164) (4,049) (7,770) (7,751)  
Interest expense (15,533) (16,865) (31,428) (33,758)  
Acquisition costs (254) (322) (308) (1,971)  
Other income 252 310 496 616  
Income tax expense 0 (1,173) 0 (1,173)  
Income from discontinued operations 0 3,298 0 5,867  
Net income 6,008 6,556 11,189 11,244  
Less: Net income attributable to noncontrolling interests in subsidiaries 0 (34) 0 (57)  
Net income attributable to the controlling interests 6,008 6,522 11,189 11,187  
Capital expenditures 11,271 6,835 21,940 10,630  
Total assets 2,153,671 2,187,176 2,153,671 2,187,176 2,120,758
Office [Member]
          
Segment Reporting Information [Line Items]          
Real estate rental revenue 38,426 35,219 77,056 68,652  
Real estate expenses 13,570 11,902 27,464 23,114  
Net operating income 24,856 23,317 49,592 45,538  
Capital expenditures 7,278 3,367 15,018 5,833  
Total assets 1,158,617 991,238 1,158,617 991,238  
Medical Office [Member]
          
Segment Reporting Information [Line Items]          
Real estate rental revenue 11,285 11,519 22,712 22,650  
Real estate expenses 3,781 3,421 7,526 7,090  
Net operating income 7,504 8,098 15,186 15,560  
Capital expenditures 1,148 1,288 2,621 1,957  
Total assets 343,557 352,242 343,557 352,242  
Retail [Member]
          
Segment Reporting Information [Line Items]          
Real estate rental revenue 13,970 12,237 27,415 24,384  
Real estate expenses 3,030 3,619 6,472 7,161  
Net operating income 10,940 8,618 20,943 17,223  
Capital expenditures 1,154 1,030 1,414 1,471  
Total assets 360,012 308,655 360,012 308,655  
Multifamily [Member]
          
Segment Reporting Information [Line Items]          
Real estate rental revenue 13,096 12,709 26,093 25,202  
Real estate expenses 5,098 4,859 10,030 9,687  
Net operating income 7,998 7,850 16,063 15,515  
Capital expenditures 1,486 766 2,472 641  
Total assets 245,947 236,358 245,947 236,358  
Industrial Flex [Member]
          
Segment Reporting Information [Line Items]          
Real estate rental revenue   0   0  
Real estate expenses   0   0  
Net operating income   0   0  
Capital expenditures   258   497  
Total assets   223,536   223,536  
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 205 126 415 231  
Total assets $ 45,538 $ 75,147 $ 45,538 $ 75,147