CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Preferred Stock [Member] Series H Preferred Stock [Member]	Preferred Stock [Member] Series K Preferred Stock [Member]	Common Stock [Member] Common Stock [Member]	Common Stock [Member] Class A Common Stock [Member]	Additional Paid In Capital [Member]	Cumulative Distributions In Excess of Net Income [Member]	Cumulative Distributions In Excess of Net Income [Member] Common Stock [Member]	Cumulative Distributions In Excess of Net Income [Member] Class A Common Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total	Common Stock [Member]	Class A Common Stock [Member]
Balances - October 31, 2020 at Oct. 31, 2020	$ 115,000	$ 110,000	$ 102	$ 300	$ 526,027	$ (164,651)			$ (15,707)	$ 571,071
Balance (in shares) at Oct. 31, 2020	4,600,000	4,400,000	10,073,652	29,996,305
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income applicable to Common and Class A common stockholders						27,475				27,475	$ 6,013	$ 21,462
Change in unrealized gains on interest rate swap									4,118	4,118
Cash dividends paid :
Common stock							$ (4,652)	$ (15,351)			(4,652)	(15,351)
Issuance of shares under dividend reinvestment plan			$ 0	$ 0	104					104
Issuance of shares under dividend reinvestment plan (in shares)			2,506	3,874
Shares issued under restricted stock plan			$ 1	$ 1	(2)					0
Shares issued under restricted stock plan (in shares)			105,850	125,800
Shares withheld for employee taxes				$ 0	(319)					(319)
Shares withheld for employee taxes (in shares)				(23,249)
Forfeiture of restricted stock										0
Forfeiture of restricted stock (in shares)				(400)
Restricted stock compensation and other adjustment					2,931					2,931
Repurchase of Common stock			$ 0	$ 0	(717)					(717)
Repurchase of Common stock (in shares)			(20,294)	(20,294)
Adjustments to redeemable noncontrolling interests						(9,891)				(9,891)
Balances - January 31, 2021 at Jul. 31, 2021	$ 115,000	$ 110,000	$ 103	$ 301	528,024	(167,070)			(11,589)	574,769
Balance (in shares) at Jul. 31, 2021	4,600,000	4,400,000	10,161,714	30,082,036
Balances - October 31, 2020 at Apr. 30, 2021	$ 115,000	$ 110,000	$ 103	$ 301	527,695	(175,099)			(9,973)	568,027
Balance (in shares) at Apr. 30, 2021	4,600,000	4,400,000	10,181,005	30,100,790
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income applicable to Common and Class A common stockholders						18,375				18,375	4,035	14,340
Change in unrealized gains on interest rate swap									(1,616)	(1,616)
Cash dividends paid :
Common stock							(2,107)	(6,923)			(2,107)	(6,923)
Issuance of shares under dividend reinvestment plan			$ 0	$ 0	46					46
Issuance of shares under dividend reinvestment plan (in shares)			1,003	1,540
Shares withheld for employee taxes					0					0
Shares withheld for employee taxes (in shares)				0
Forfeiture of restricted stock				$ 0	0					0
Forfeiture of restricted stock (in shares)				0
Restricted stock compensation and other adjustment					1,000					1,000
Repurchase of Common stock			$ 0	$ 0	(717)					(717)
Repurchase of Common stock (in shares)			(20,294)	(20,294)
Adjustments to redeemable noncontrolling interests						(1,316)				(1,316)
Balances - January 31, 2021 at Jul. 31, 2021	$ 115,000	$ 110,000	$ 103	$ 301	528,024	(167,070)			(11,589)	574,769
Balance (in shares) at Jul. 31, 2021	4,600,000	4,400,000	10,161,714	30,082,036
Balances - October 31, 2020 at Oct. 31, 2021	$ 115,000	$ 110,000	$ 103	$ 301	528,713	(170,493)			(7,720)	575,904
Balance (in shares) at Oct. 31, 2021	4,600,000	4,400,000	10,153,689	30,073,807
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income applicable to Common and Class A common stockholders						19,136				19,136	4,237	14,899
Change in unrealized gains on interest rate swap									12,678	12,678
Cash dividends paid :
Common stock							(6,605)	(21,433)			(6,605)	(21,433)
Issuance of shares under dividend reinvestment plan			$ 0	$ 0	147					147
Issuance of shares under dividend reinvestment plan (in shares)			2,711	5,485
Shares issued under restricted stock plan			$ 1	$ 1	(2)					0
Shares issued under restricted stock plan (in shares)			109,500	149,000
Shares withheld for employee taxes				$ 0	(590)					(590)
Shares withheld for employee taxes (in shares)				(27,680)
Forfeiture of restricted stock				$ 0						0
Forfeiture of restricted stock (in shares)				(36,300)
Restricted stock compensation and other adjustment					2,652					2,652
Repurchase of Common stock			$ 0	$ (2)	(5,047)					(5,049)
Repurchase of Common stock (in shares)			(1,873)	(264,948)
Adjustments to redeemable noncontrolling interests						2,292				2,292
Balances - January 31, 2021 at Jul. 31, 2022	$ 115,000	$ 110,000	$ 104	$ 300	525,873	(177,103)			4,958	579,132
Balance (in shares) at Jul. 31, 2022	4,600,000	4,400,000	10,264,027	29,899,364
Balances - October 31, 2020 at Apr. 30, 2022	$ 115,000	$ 110,000	$ 104	$ 302	529,845	(175,031)			7,474	587,694
Balance (in shares) at Apr. 30, 2022	4,600,000	4,400,000	10,264,968	30,162,196
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income applicable to Common and Class A common stockholders						6,630				6,630	1,469	5,161
Change in unrealized gains on interest rate swap									(2,516)	(2,516)
Cash dividends paid :
Common stock							$ (2,202)	$ (7,164)			$ (2,202)	$ (7,164)
Issuance of shares under dividend reinvestment plan			$ 0	$ 0	50					50
Issuance of shares under dividend reinvestment plan (in shares)			932	2,116
Forfeiture of restricted stock				$ 0						0
Forfeiture of restricted stock (in shares)				0
Restricted stock compensation and other adjustment					1,025					1,025
Repurchase of Common stock			$ 0	$ (2)	(5,047)					(5,049)
Repurchase of Common stock (in shares)			(1,873)	(264,948)
Adjustments to redeemable noncontrolling interests						664				664
Balances - January 31, 2021 at Jul. 31, 2022	$ 115,000	$ 110,000	$ 104	$ 300	$ 525,873	$ (177,103)			$ 4,958	$ 579,132
Balance (in shares) at Jul. 31, 2022	4,600,000	4,400,000	10,264,027	29,899,364