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Significant Concentrations of Credit Risk (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Sep. 30, 2013 certificate_of_deposit
Concentration Risk [Line Items] |
Loans secured by real estate | $ 555,997
Undisbursed construction loan proceeds | 18,527
Loans secured by real estate, percentage of total portfolio | 95.90%
Concentration of credit risk, real estate loans by industry, benchmark percentage | 20.00%
Ratio of loans to appraisal or purchase price | 90.00%
CDs held for investment | 30,042
Number of Certificates of Deposit | 1
FHLB Seattle |
Concentration Risk [Line Items] |
CDs held for investment | $ 2,500

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