Real estate (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Property, Plant and Equipment [Line Items]
Land	$ 75,688	$ 75,688
Unimproved land	405	405
Equipment/Furniture	2,156	1,978
Total real estate, gross	386,255	385,287
Less accumulated depreciation	115,621	107,137
Total real estate, net	$ 270,634	278,150
Minimum [Member] | Equipment/Furniture [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	5 years
Maximum [Member] | Equipment/Furniture [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	15 years
Apartment Buildings [Member]
Property, Plant and Equipment [Line Items]
Total real estate, gross	$ 156,408	155,923
Apartment Buildings [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	7 years
Apartment Buildings [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	40 years
Commercial Buildings/Shopping Centers [Member]
Property, Plant and Equipment [Line Items]
Total real estate, gross	$ 151,598	$ 151,293
Commercial Buildings/Shopping Centers [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	5 years
Commercial Buildings/Shopping Centers [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	40 years