CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - $ / shares
|
3 Months Ended |
|
Jan. 31, 2016 |
Oct. 31, 2015 |
| Stockholders' Equity: |
|
|
| Excess Stock, par value (in dollars per share) |
$ 0.01
|
$ 0.01
|
| Excess Stock, shares authorized (in shares) |
20,000,000
|
20,000,000
|
| Excess Stock, shares issued (in shares) |
0
|
0
|
| Excess Stock, shares outstanding (in shares) |
0
|
0
|
| Common Stock, shares authorized (in shares) |
30,000,000
|
|
| 7.125% Series F Cumulative Preferred Stock [Member] |
|
|
| Stockholders' Equity: |
|
|
| Preferred stock, dividend rate (in hundredths) |
7.125%
|
|
| Preferred Stock, liquidation preference (in dollars per share) |
$ 25
|
$ 25
|
| Preferred Stock, shares issued (in shares) |
5,175,000
|
5,175,000
|
| Preferred Stock, shares outstanding (in shares) |
5,175,000
|
5,175,000
|
| 6.75% Series G Cumulative Preferred Stock [Member] |
|
|
| Stockholders' Equity: |
|
|
| Preferred stock, dividend rate (in hundredths) |
6.75%
|
|
| Preferred Stock, liquidation preference (in dollars per share) |
$ 25
|
$ 25
|
| Preferred Stock, shares issued (in shares) |
3,000,000
|
3,000,000
|
| Preferred Stock, shares outstanding (in shares) |
3,000,000
|
3,000,000
|
| Common Stock [Member] |
|
|
| Stockholders' Equity: |
|
|
| Common Stock, par value (in dollars per share) |
$ 0.01
|
$ 0.01
|
| Common Stock, shares authorized (in shares) |
30,000,000
|
30,000,000
|
| Common Stock, shares issued (in shares) |
9,504,378
|
9,350,885
|
| Common Stock, shares outstanding (in shares) |
9,504,378
|
9,350,885
|
| Class A Common Stock [Member] |
|
|
| Stockholders' Equity: |
|
|
| Common Stock, par value (in dollars per share) |
$ 0.01
|
$ 0.01
|
| Common Stock, shares authorized (in shares) |
100,000,000
|
100,000,000
|
| Common Stock, shares issued (in shares) |
26,465,544
|
26,370,216
|
| Common Stock, shares outstanding (in shares) |
26,465,544
|
26,370,216
|