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Summary Of Significant Accounting Policies Summary of Significant Accounting Policies: FHLB Stock (Details) (Minimum) | 12 Months Ended
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Sep. 30, 2014
Minimum |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |
FHLB, investment in capital stock, home loans (percent) | 1.00%
FHLB, investment in capital stock, advances (percent) | 5.00%

X
- Definition Federal Home Loan Bank, Investment in Capital Stock, Advances, Percentage + References No definition available. + Details
Name: | tsbk_FederalHomeLoanBankInvestmentinCapitalStockAdvancesPercentage
Namespace Prefix: | tsbk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Federal Home Loan Bank, Investment in Capital Stock, Home Loans, Percentage + References No definition available. + Details
Name: | tsbk_FederalHomeLoanBankInvestmentinCapitalStockHomeLoansPercentage
Namespace Prefix: | tsbk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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