Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.20.4
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Accumulated amortization of deferred leasing costs $ 30,375 $ 33,782
Common Shares of beneficial interest, par value (in dollars per share) $ 0.01 $ 0.01
Common Shares of beneficial interest, shares authorized 150,000,000 150,000,000
Common Shares of beneficial interest, shares issued 112,181,759 112,068,705
Common Shares/units of beneficial interest, shares outstanding 112,181,759 112,068,705
Corporate Office Properties, L.P    
Accumulated amortization of deferred leasing costs $ 30,375 $ 33,782
General Partner | Corporate Office Properties, L.P    
Common Shares/units of beneficial interest, shares outstanding 112,181,759 112,068,705
Limited Partner | Corporate Office Properties, L.P    
Common Shares/units of beneficial interest, shares outstanding 1,352,430 1,482,425
Preferred units, outstanding   352,000
Investing Receivables    
Investing receivable allowance for credit loss $ 2,851 $ 0
Investing Receivables | Corporate Office Properties, L.P    
Investing receivable allowance for credit loss $ 2,851