XML 48 R61.htm IDEA: XBRL DOCUMENT
v2.4.0.8

MBS And Other Investments: Schedule of significant inputs utilized to measure management's estimate of the credit loss component on OTTI securities (Details) | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012
--- | --- | --- | ---
Minimum |  |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |
OTTI significant inputs - Constant prepayment rate | 6.00% | 6.00% | 6.00%
OTTI significant inputs - Collateral default rate | 0.01% | 0.73% | 0.06%
OTTI significant inputs - Loss severity rate | 0.16% | 20.48% | 0.52%
Maximum |  |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |
OTTI significant inputs - Constant prepayment rate | 15.00% | 15.00% | 15.00%
OTTI significant inputs - Collateral default rate | 22.34% | 22.53% | 28.40%
OTTI significant inputs - Loss severity rate | 75.17% | 75.02% | 76.03%
Weighted Average |  |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |
OTTI significant inputs - Constant prepayment rate | 10.59% | 12.33% | 8.77%
OTTI significant inputs - Collateral default rate | 7.41% | 7.84% | 8.74%
OTTI significant inputs - Loss severity rate | 45.81% | 52.69% | 48.28%

X
- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
Name: | tsbk_OTTISignificantInputsCollateralDefaultRate
Namespace Prefix: | tsbk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
Name: | tsbk_OTTISignificantInputsConstantPrepaymentRate
Namespace Prefix: | tsbk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
Name: | tsbk_OTTISignificantInputsLossSeverityRate
Namespace Prefix: | tsbk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration