Commitments and Contingencies (Details 1) - Loan Origination Commitments [Member] - USD ($) $ in Thousands	Apr. 30, 2023	Oct. 31, 2022
Company's mortgage commitments
Unused Commitments to Extend Credit	$ 2,482,691	$ 3,098,694
Investor commitments to purchase	558,162	856,297
Interest Rate Lock Commitments [Member]
Company's mortgage commitments
Unused Commitments to Extend Credit	452,156	669,631
Investor commitments to purchase	452,156	669,631
Non Interest Rate Lock Commitments [Member]
Company's mortgage commitments
Unused Commitments to Extend Credit	2,030,535	2,429,063
Mortgage Receivable [Member]
Company's mortgage commitments
Investor commitments to purchase	$ 106,006	$ 186,666