Investments in Distressed Loans and Foreclosed Real Estate (Details Textual) (USD $)	3 Months Ended		6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013 states	Apr. 30, 2012	Oct. 31, 2012
Investments in Non-Performing Loan Portfolios and Foreclosed Real Estate (Textual) [Abstract]
Investment in performing loans	$ 13,900,000		$ 13,900,000		$ 0
Financing Receivable, Recorded Investment, Nonaccrual Status	15,900,000		15,900,000		9,200,000
Aggregate purchase price, loans acquired during period			26,000,000
Acquired Loans Number of States			7
Real Estate Held-for-sale	9,400,000	1,300,000	9,400,000	1,300,000
Real Estate Owned Held And Used	62,000,000	16,800,000	62,000,000	16,800,000
Gains (losses) upon acquisition of REO	800,000	1,700,000	1,500,000	1,700,000
Income from Gibraltar	$ 961,000	$ 3,726,000	$ 1,112,000	$ 5,864,000