Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v2.4.0.6
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Statement of Financial Position [Abstract]    
Rents and other receivables, allowance for doubtful accounts $ 10,958 $ 8,683
Preferred shares, par value $ 0.01 $ 0.01
Preferred shares, shares authorized 10,000 10,000
Preferred shares, shares issued 0 0
Preferred shares, shares outstanding 0 0
Shares of beneficial interest, par value $ 0.01 $ 0.01
Shares of beneficial interest, shares authorized 100,000 100,000
Shares of beneficial interest, shares issued 66,437 66,265
Shares of beneficial interest, shares outstanding 66,437 66,265