|
Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified
|
Mar. 31, 2015
|
Dec. 31, 2014
|
| Allowance for doubtful accounts - AR |
$ 784 |
$ 717 |
| Allowance - Deferred rent receivable |
1,695 |
1,418 |
| Preferred Shares of beneficial interest, par value (in dollars per share) |
$ 0.01 |
$ 0.01 |
| Preferred Shares of beneficial interest, shares authorized |
25,000,000 |
25,000,000 |
| Preferred Shares of beneficial interest, shares issued |
7,431,667 |
7,431,667 |
| Preferred Shares of beneficial interest, shares outstanding |
7,431,667 |
7,431,667 |
| Common Shares of beneficial interest, par value (in dollars per share) |
$ 0.01 |
$ 0.01 |
| Common Shares of beneficial interest, shares authorized |
125,000,000 |
125,000,000 |
| Common Stock, Shares, Issued |
94,536,269 |
93,255,284 |
| Common Shares of beneficial interest, shares outstanding |
94,536,269 |
93,255,284 |
| Corporate Office Properties, L.P. |
|
|
| Allowance for doubtful accounts - AR |
784 |
717 |
| Allowance - Deferred rent receivable |
$ 1,695 |
$ 1,418 |
| Corporate Office Properties, L.P. | General Partner |
|
|
| Common Shares of beneficial interest, shares outstanding |
94,536,269 |
93,255,284 |
| Preferred Units, Outstanding |
7,431,667 |
7,431,667 |
| Corporate Office Properties, L.P. | Limited Partner |
|
|
| Common Shares of beneficial interest, shares outstanding |
3,679,551 |
3,837,551 |
| Preferred Units, Outstanding |
352,000 |
352,000 |