Commitments and Contingencies (Details 1) (Loan Origination Commitments [Member], USD $) In Thousands, unless otherwise specified	Jan. 31, 2015	Oct. 31, 2014
Company's mortgage commitments
Investor commitments to purchase	$ 282,670	$ 284,865
Unused Commitments to Extend Credit	954,846	901,005
Interest Rate Lock Commitments [Member]
Company's mortgage commitments
Investor commitments to purchase	234,576	191,604
Unused Commitments to Extend Credit	234,576	191,604
Non Interest Rate Lock Commitments [Member] [Member]
Company's mortgage commitments
Unused Commitments to Extend Credit	720,270	709,401
Mortgage Receivable [Member]
Company's mortgage commitments
Investor commitments to purchase	$ 48,094	$ 93,261