Investments in Distressed Loans and Foreclosed Real Estate (Details Textual) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2015	Jan. 31, 2015	Oct. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2013
Investments in Non-Performing Loan Portfolios and Foreclosed Real Estate (Textual) [Abstract]
Real Estate Acquired Through Foreclosure	$ 63,680	$ 66,934	$ 69,799	$ 76,652	$ 79,267	$ 72,972
Assets Held-for-sale [Member]
Investments in Non-Performing Loan Portfolios and Foreclosed Real Estate (Textual) [Abstract]
Real Estate Acquired Through Foreclosure	10,200			7,200
real estate held and used [Member]
Investments in Non-Performing Loan Portfolios and Foreclosed Real Estate (Textual) [Abstract]
Real Estate Acquired Through Foreclosure	$ 53,500			$ 69,500