XML 54 R44.htm IDEA: XBRL DOCUMENT
v3.25.1

Loans Receivable And Allowance For Loan Losses: Schedule of Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance | $ 17,288 | $ 17,478 | $ 16,655 | $ 17,478 | $ 15,817
Provision for (Recapture of) Credit Losses | 237 |  | 166 | 289 | 545
Charge- offs | (2) |  | (4) | (245) | (6)
Recoveries | 2 |  | 1 | 3 | 1
Allowance for loan losses, Ending Allowance | 17,525 | 17,288 | 16,818 | 17,525 | 16,818
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance |  |  |  |  | 461
One-to four-family |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance | 2,699 | 2,632 | 2,096 | 2,632 | 2,417
Provision for (Recapture of) Credit Losses | 101 |  | 89 | 168 | 176
Charge- offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 2,800 | 2,699 | 2,185 | 2,800 | 2,185
One-to four-family | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance |  |  |  |  | (408)
Multi-family |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance | 1,311 | 1,308 | 1,200 | 1,308 | 1,156
Provision for (Recapture of) Credit Losses | 4 |  | 158 | 7 | 322
Charge- offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 1,315 | 1,311 | 1,358 | 1,315 | 1,358
Multi-family | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance |  |  |  |  | (120)
Commercial real estate |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance | 6,892 | 6,934 | 6,822 | 6,934 | 7,209
Provision for (Recapture of) Credit Losses | 91 |  | 132 | 49 | 239
Charge- offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 6,983 | 6,892 | 6,954 | 6,983 | 6,954
Commercial real estate | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance |  |  |  |  | (494)
Construction-custom & owner/builder (1) |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance | 1,261 | 1,328 | 1,234 | 1,328 | 750
Provision for (Recapture of) Credit Losses | (44) |  | (19) | (111) | (77)
Charge- offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 1,217 | 1,261 | 1,215 | 1,217 | 1,215
Construction-custom & owner/builder (1) | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance |  |  |  |  | 542
Construction-speculative one-to four-family (1) |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance | 82 | 128 | 132 | 128 | 148
Provision for (Recapture of) Credit Losses | 7 |  | 10 | (39) | 10
Charge- offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 89 | 82 | 142 | 89 | 142
Construction-speculative one-to four-family (1) | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance |  |  |  |  | (16)
Construction-commercial (1) |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance | 329 | 537 | 430 | 537 | 316
Provision for (Recapture of) Credit Losses | 29 |  | 21 | (179) | (41)
Charge- offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 358 | 329 | 451 | 358 | 451
Construction-commercial (1) | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance |  |  |  |  | 176
Construction-multi-family (1) |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance | 527 | 456 | 735 | 456 | 602
Provision for (Recapture of) Credit Losses | 16 |  | (257) | 87 | (328)
Charge- offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 543 | 527 | 478 | 543 | 478
Construction-multi-family (1) | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance |  |  |  |  | 204
Construction-land development (1) |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance | 292 | 335 | 298 | 335 | 274
Provision for (Recapture of) Credit Losses | 83 |  | (43) | 40 | (44)
Charge- offs | 0 |  |  | 0 |
Recoveries | 0 |  | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 375 | 292 | 255 | 375 | 255
Construction-land development (1) | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance |  |  |  |  | 25
Land |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance | 802 | 793 | 757 | 793 | 406
Provision for (Recapture of) Credit Losses | 50 |  | 83 | 59 | 116
Charge- offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 852 | 802 | 840 | 852 | 840
Land | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance |  |  |  |  | 318
Home equity and second mortgage |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance | 353 | 348 | 286 | 348 | 519
Provision for (Recapture of) Credit Losses | (8) |  | 19 | (3) | 29
Charge- offs | 0 |  | 0 | 0 | 0
Recoveries | 0 |  | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 345 | 353 | 305 | 345 | 305
Home equity and second mortgage | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance |  |  |  |  | (243)
Consumer loans, other |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance | 34 | 39 | 46 | 39 | 53
Provision for (Recapture of) Credit Losses | 1 |  | 3 | (2) | 5
Charge- offs | (2) |  | (4) | (4) | (6)
Recoveries | 0 |  | 0 | 0 | 0
Allowance for loan losses, Ending Allowance | 33 | 34 | 45 | 33 | 45
Consumer loans, other | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance |  |  |  |  | (7)
Commercial business |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance | 2,706 | 2,640 | 2,619 | 2,640 | 1,967
Provision for (Recapture of) Credit Losses | (93) |  | (30) | 213 | 138
Charge- offs | 0 |  | 0 | (241) | 0
Recoveries | 2 |  | 1 | 3 | 1
Allowance for loan losses, Ending Allowance | $ 2,615 | $ 2,706 | $ 2,590 | $ 2,615 | 2,590
Commercial business | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Allowance for loan losses, Beginning Allowance |  |  |  |  | $ 484

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_CumulativeEffectPeriodOfAdoptionAxis=srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=tsbk_MortgageLoansOneToFourFamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=tsbk_MortgageLoansMultiFamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=tsbk_ConstructionCustomAndOwnerbuilderMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=tsbk_ConstructionSpeculativeOneToFourFamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=tsbk_ConstructionCommercialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=tsbk_ConstructionMultiFamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=tsbk_ConstructionLandDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=tsbk_MortgageLoansLandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=tsbk_ConsumerLoansHomeEquityAndSecondMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |