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Summary Of Significant Accounting Policies Summary of Significant Accounting Policies: FHLB Stock (Details) (Minimum)	12 Months Ended
	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

X

- Details

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