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Fair Value Disclosures (Level 4 Gibraltar) (Details 5) (USD $)
In Thousands, unless otherwise specified
Jul. 31, 2013
Oct. 31, 2012
Carrying value and estimated fair value of distressed loans    
Investments in distressed loans $ 42,500 $ 37,169
Investment in distressed loans, fair value $ 53,358 $ 38,109