XML 92 R79.htm IDEA: XBRL DOCUMENT
v3.8.0.1

MSRs: Summary of Fair Values (Details) - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2015
Transfers and Servicing [Abstract] |  |  |
Mortgage Servicing Rights (MSR), Fair Value | $ 3,556,000 | $ 2,865,000 | $ 3,095,000
Mortgage Servicing Rights (MSR), Average Discount Rate for estimating Fair Value | 9.52% | 9.52% | 9.52%
Mortgage Servicing Rights (MSR), Average Prepayment Speed Factor for estimating Fair Value | 159 | 209 | 174
MSRs valuation allowances | $ 0 | $ 0 | $ 0

X
- Definition MSRs valuation allowances + References No definition available. + Details
Name: | tsbk_MSRsvaluationallowances
Namespace Prefix: | tsbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
Name: | tsbk_MortgageServicingRightsMSRAveragePrepaymentSpeedFactorforestimatingFairValue
Namespace Prefix: | tsbk_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
Name: | tsbk_MortgageServicingRightsMSRFairValue
Namespace Prefix: | tsbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_TransfersAndServicingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration