Receivables, Prepaid Expenses and Other Assets Receivables, prepaid expenses and other assets (Details Textual) - USD ($) $ in Thousands	Oct. 31, 2022	Oct. 31, 2021
Receivables, prepaid expenses and other assets [Line Items]
Assets related to consolidated VIEs	$ 12,288,714	$ 11,537,850
Escrow cash held by our wholly owned captive title company	51,796	41,429
Variable Interest Entity, Primary Beneficiary [Member]
Receivables, prepaid expenses and other assets [Line Items]
Assets related to consolidated VIEs	$ 0	$ 90,800