Commitments and Contingencies (Details 1) - Loan Origination Commitments [Member] - USD ($) $ in Thousands	Oct. 31, 2023	Oct. 31, 2022
Company's mortgage commitments
Aggregate mortgage loan commitments	$ 2,173,202	$ 3,098,694
Investor commitments to purchase	459,419	856,297
Interest Rate Lock Commitments [Member]
Company's mortgage commitments
Aggregate mortgage loan commitments	354,716	669,631
Investor commitments to purchase	354,716	669,631
Mortgage loans receivable [Member]
Company's mortgage commitments
Investor commitments to purchase	104,703	186,666
Non IRLC [Member]
Company's mortgage commitments
Aggregate mortgage loan commitments	$ 1,818,486	$ 2,429,063