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MSRs: Summary of Loans serviced for Freddie Mac (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Transfers and Servicing [Abstract]
Loans serviced for Freddie Mac, Principal amount	$ 370,928	$ 358,173	$ 340,308
Loans serviced for SBA, Principal amount	$ 754	$ 697	$ 319

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Loans Serviced For SBA, Principal amount

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