CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - $ / shares	9 Months Ended	12 Months Ended
	Jul. 31, 2022	Oct. 31, 2021
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 [Member]
Stockholders' Equity:
Common stock, shares authorized (in shares)	30,000,000
Class A Common Stock [Member]
Stockholders' Equity:
Common stock, shares authorized (in shares)	100,000,000
5.875% Series K Cumulative Preferred Stock [Member]
Stockholders' Equity:
Preferred stock, dividend rate	5.875%
6.25% Series H Cumulative Preferred Stock [Member]
Stockholders' Equity:
Preferred stock, dividend rate	6.25%
Common Stock [Member] | 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)	10,264,027	10,153,689
Common stock, shares outstanding (in shares)	10,264,027	10,153,689
Common Stock [Member] | 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)	29,899,364	30,073,807
Common stock, shares outstanding (in shares)	29,899,364	30,073,807
Preferred Stock [Member] | 5.875% Series K Cumulative Preferred Stock [Member]
Stockholders' Equity:
Preferred stock, dividend rate	5.875%	5.875%
Preferred stock, liquidation preference (in dollars per share)	$ 25	$ 25
Preferred stock, shares issued (in shares)	4,400,000	4,400,000
Preferred Stock, shares outstanding (in shares)	4,400,000	4,400,000
Preferred Stock [Member] | 6.25% Series H Cumulative Preferred Stock [Member]
Stockholders' Equity:
Preferred stock, dividend rate	6.25%	6.25%
Preferred stock, liquidation preference (in dollars per share)	$ 25	$ 25
Preferred stock, shares issued (in shares)	4,600,000	4,600,000
Preferred Stock, shares outstanding (in shares)	4,600,000	4,600,000