Commitments and Contingencies (Details 1) - Loan Origination Commitments [Member] - USD ($) $ in Thousands	Jul. 31, 2023	Oct. 31, 2022
Company's mortgage commitments
Unused Commitments to Extend Credit	$ 2,403,974	$ 3,098,694
Investor commitments to purchase	455,702	856,297
Interest Rate Lock Commitments [Member]
Company's mortgage commitments
Unused Commitments to Extend Credit	382,426	669,631
Investor commitments to purchase	382,426	669,631
Non Interest Rate Lock Commitments [Member]
Company's mortgage commitments
Unused Commitments to Extend Credit	2,021,548	2,429,063
Mortgage Receivable [Member]
Company's mortgage commitments
Investor commitments to purchase	$ 73,276	$ 186,666