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
Mar. 31, 2013
segment
Mar. 31, 2012
Dec. 31, 2012
Segment Reporting Information [Line Items]      
Reportable segments 4    
Real estate rental revenue $ 76,924 $ 75,214  
Real estate expenses 27,091 25,551  
Net operating income 49,833 49,663  
Depreciation and amortization (25,524) (25,582)  
General and administrative (3,862) (3,606)  
Acquisition costs (213) (54)  
Interest expense (16,518) (15,831)  
Other income 239 244  
Income from operations of properties sold or held for sale 185 347  
Gain on sale of real estate 3,195 0  
Net income 7,335 5,181  
Capital expenditures 10,209 10,669  
Total assets 2,096,120 2,116,546 2,124,376
Office [Member]
     
Segment Reporting Information [Line Items]      
Real estate rental revenue 38,729 37,547  
Real estate expenses 14,078 13,477  
Net operating income 24,651 24,070  
Capital expenditures 7,575 7,740  
Total assets 1,118,579 1,113,521  
Medical Office [Member]
     
Segment Reporting Information [Line Items]      
Real estate rental revenue 11,028 11,225  
Real estate expenses 4,058 3,699  
Net operating income 6,970 7,526  
Capital expenditures 1,077 1,473  
Total assets 325,281 346,145  
Retail [Member]
     
Segment Reporting Information [Line Items]      
Real estate rental revenue 13,834 13,446  
Real estate expenses 3,565 3,444  
Net operating income 10,269 10,002  
Capital expenditures 766 260  
Total assets 351,967 362,307  
Multifamily [Member]
     
Segment Reporting Information [Line Items]      
Real estate rental revenue 13,333 12,996  
Real estate expenses 5,390 4,931  
Net operating income 7,943 8,065  
Capital expenditures 784 986  
Total assets 250,680 246,730  
Corporate and Other [Member]
     
Segment Reporting Information [Line Items]      
Real estate rental revenue 0 0  
Real estate expenses 0 0  
Net operating income 0 0  
Capital expenditures 7 210  
Total assets $ 49,613 $ 47,843