Receivables, Prepaid Expenses, and Other Assets (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Oct. 31, 2019
Receivables, prepaid expenses and other assets [Line Items]
Assets	$ 10,537,431	$ 10,828,138
Expected recoveries from insurance carriers and others	79,818	114,162
Improvement cost receivable	108,006	100,864
Escrow cash held by our captive title company	25,590	32,863
Property held for rental apartment and commercial development	534,843	367,072
Prepaid expenses	25,475	26,041
Operating Lease, Right-of-Use Asset	106,049	0
Other	88,635	74,439
Receivables, prepaid expenses and other assets	968,416	715,441
Variable Interest Entity, Primary Beneficiary [Member] | Rental Joint Ventures, including the Trust [Member]
Receivables, prepaid expenses and other assets [Line Items]
Assets	$ 155,000	$ 145,800