MBS And Other Investments: Unrealized Gain (Loss) on Investments (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013 security	Sep. 30, 2012 security
Held-to-maturity Securities, Fair Value:
Less Than 12 Months	$ 83	$ 24
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	327	523
Total	410	547
Held-to-maturity Securities, Gross Unrealized Losses
Less Than 12 Months	(4)	(1)
12 Months or Longer	(13)	(62)
Total	(17)	(63)
Held-to-maturity, Qty, Less Than 12 Months	10	2
Held-to-maturity, Qty, 12 Months or Longer	18	32
Available-for-sale Securities, Fair Value:
Less Than 12 Months	1,054	0
Available-for-sale Securities, 12 Months or Longer, Estimated Fair Value	108	651
Total	1,162	651
Available-for-sale Securities, Gross Unrealized Losses:
Less Than 12 Months	(44)	0
12 Months or Longer	(10)	(109)
Total	(54)	(109)
Available-for-sale, Qty, Less than 12 Months	4	0
Available-for-sale, Qty, 12 Months or Longer	3	4
Mortgage-backed Securities, U.S. government agencies
Held-to-maturity Securities, Fair Value:
Less Than 12 Months	3	7
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	88	100
Total	91	107
Held-to-maturity Securities, Gross Unrealized Losses
Less Than 12 Months	0	0
12 Months or Longer	(2)	(3)
Total	(2)	(3)
Held-to-maturity, Qty, Less Than 12 Months	6	1
Held-to-maturity, Qty, 12 Months or Longer	4	4
Available-for-sale Securities, Fair Value:
Less Than 12 Months	96
Available-for-sale Securities, 12 Months or Longer, Estimated Fair Value	0
Total	96
Available-for-sale Securities, Gross Unrealized Losses:
Less Than 12 Months	(2)
12 Months or Longer	0
Total	(2)
Available-for-sale, Qty, Less than 12 Months	3
Available-for-sale, Qty, 12 Months or Longer	1
Mortgage-backed Securities, Private label residential
Held-to-maturity Securities, Fair Value:
Less Than 12 Months	80	17
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	239	423
Total	319	440
Held-to-maturity Securities, Gross Unrealized Losses
Less Than 12 Months	(4)	(1)
12 Months or Longer	(11)	(59)
Total	(15)	(60)
Held-to-maturity, Qty, Less Than 12 Months	4	1
Held-to-maturity, Qty, 12 Months or Longer	14	28
Available-for-sale Securities, Fair Value:
Less Than 12 Months	0	0
Available-for-sale Securities, 12 Months or Longer, Estimated Fair Value	108	651
Total	108	651
Available-for-sale Securities, Gross Unrealized Losses:
Less Than 12 Months	0	0
12 Months or Longer	(10)	(109)
Total	(10)	(109)
Available-for-sale, Qty, Less than 12 Months	0	0
Available-for-sale, Qty, 12 Months or Longer	2	4
Mutual funds
Available-for-sale Securities, Fair Value:
Less Than 12 Months	958
Available-for-sale Securities, 12 Months or Longer, Estimated Fair Value	0
Total	958
Available-for-sale Securities, Gross Unrealized Losses:
Less Than 12 Months	(42)
12 Months or Longer	0
Total	$ (42)
Available-for-sale, Qty, Less than 12 Months	1
Available-for-sale, Qty, 12 Months or Longer	0