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Mortgage Servicing Rights: Summary of Loans serviced for Freddie Mac (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Transfers and Servicing [Abstract]      
Loans serviced for Freddie Mac, Principal amount $ 327,594 $ 325,726 $ 304,872