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MBS And Other Investments: Unrealized Gain (Loss) on Investments (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Sep. 30, 2014 security | Sep. 30, 2013 security
Held-to-maturity Securities, Fair Value: |  |
Less Than 12 Months | $ 2,998 | $ 83
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 264 | 327
Total | 3,262 | 410
Held-to-maturity Securities, Gross Unrealized Losses |  |
Less Than 12 Months | (13) | (4)
12 Months or Longer | (9) | (13)
Total | (22) | (17)
Held-to-maturity, Qty, Less Than 12 Months | 2 | 10
Held-to-maturity, Qty, 12 Months or Longer | 19 | 18
Available-for-sale Securities, Fair Value: |  |
Less Than 12 Months | 19 | 1,054
Available-for-sale Securities, 12 Months or Longer, Estimated Fair Value | 998 | 108
Total | 1,017 | 1,162
Available-for-sale Securities, Gross Unrealized Losses: |  |
Less Than 12 Months | 0 | (44)
12 Months or Longer | (44) | (10)
Total | (44) | (54)
Available-for-sale, Qty, Less than 12 Months | 1 | 4
Available-for-sale, Qty, 12 Months or Longer | 2 | 3
Mortgage-backed Securities, U.S. government agencies |  |
Held-to-maturity Securities, Fair Value: |  |
Less Than 12 Months | 0 | 3
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 76 | 88
Total | 76 | 91
Held-to-maturity Securities, Gross Unrealized Losses |  |
Less Than 12 Months | 0 | 0
12 Months or Longer | (2) | (2)
Total | (2) | (2)
Held-to-maturity, Qty, Less Than 12 Months | 0 | 6
Held-to-maturity, Qty, 12 Months or Longer | 8 | 4
Available-for-sale Securities, Fair Value: |  |
Less Than 12 Months | 19 | 96
Available-for-sale Securities, 12 Months or Longer, Estimated Fair Value | 40 | 0
Total | 59 | 96
Available-for-sale Securities, Gross Unrealized Losses: |  |
Less Than 12 Months | 0 | (2)
12 Months or Longer | (2) | 0
Total | (2) | (2)
Available-for-sale, Qty, Less than 12 Months | 1 | 3
Available-for-sale, Qty, 12 Months or Longer | 1 | 1
Mortgage-backed Securities, Private label residential |  |
Held-to-maturity Securities, Fair Value: |  |
Less Than 12 Months | 9 | 80
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 188 | 239
Total | 197 | 319
Held-to-maturity Securities, Gross Unrealized Losses |  |
Less Than 12 Months | 0 | (4)
12 Months or Longer | (7) | (11)
Total | (7) | (15)
Held-to-maturity, Qty, Less Than 12 Months | 1 | 4
Held-to-maturity, Qty, 12 Months or Longer | 11 | 14
US Government Agencies Debt Securities [Member] |  |
Held-to-maturity Securities, Fair Value: |  |
Less Than 12 Months | 2,989 |
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 |
Held-to-maturity Securities, Gross Unrealized Losses |  |
Less Than 12 Months | (13) |
12 Months or Longer | 0 |
Total | (13) |
Held-to-maturity, Qty, Less Than 12 Months | 1 |
Held-to-maturity, Qty, 12 Months or Longer | 0 |
Mutual funds |  |
Available-for-sale Securities, Fair Value: |  |
Less Than 12 Months | 0 | 958
Available-for-sale Securities, 12 Months or Longer, Estimated Fair Value | 958 | 0
Total | 958 | 958
Available-for-sale Securities, Gross Unrealized Losses: |  |
Less Than 12 Months | 0 | (42)
12 Months or Longer | (42) | 0
Total | $ (42) | $ (42)
Available-for-sale, Qty, Less than 12 Months | 0 | 1
Available-for-sale, Qty, 12 Months or Longer | 1 | 0

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