XML 52 R43.htm IDEA: XBRL DOCUMENT
v3.22.1

Loans Receivable And Allowance For Loan Losses: Impaired Financing Receivables (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2022 | Mar. 31, 2022 | Sep. 30, 2021
Recorded Investment |  |  |  |  |
With no related allowance recorded | $ 4,898 |  | $ 4,898 | $ 4,568 |
With an allowance recorded | 249 |  | 249 | 656 |
Total: | 5,147 |  | 5,147 | 5,224 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 4,989 |  | 4,989 | 4,615 |
With an allowance recorded | 249 |  | 249 | 656 |
Total: | 5,238 |  | 5,238 | 5,271 |
Related Allowance | 127 |  | 127 | 247 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 4,726 | [1] | 4,673 | 4,750 |
With an allowance recorded | 455 | [1] | 522 | 454 |
Total | 5,181 | [1] | 5,195 | 5,204 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 48 | [1] | 96 | 220 | [1]
With an allowance recorded | 0 | [1] | 0 | 0 |
Total | 48 | [1] | 96 | 220 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 41 | [1] | 80 | 182 |
With an allowance recorded | 0 | [1] | 0 | 0 |
Total | 41 | [1] | 80 | 182 |
Mortgage loans, one-to-four family |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 578 |  | 578 | 407 |
With an allowance recorded |  |  |  | 0 |
Total: | 578 |  | 578 | 407 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 621 |  | 621 | 450 |
With an allowance recorded |  |  |  | 0 |
Total: | 621 |  | 621 | 450 |
Related Allowance | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 580 | [1] | 522 | 655 |
With an allowance recorded |  |  |  | 97 |
Total | 580 | [1] | 522 | 752 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 8 | [1] | 16 | 58 | [1]
With an allowance recorded |  |  |  | 0 |
Total | 8 | [1] | 16 | 58 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 8 | [1] | 16 | 52 |
With an allowance recorded |  |  |  | 0 |
Total | 8 | [1] | 16 | 52 |
Mortgage loans, commercial |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 3,023 |  | 3,023 | 3,143 |
Total: | 3,023 |  | 3,023 | 3,143 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 3,023 |  | 3,023 | 3,143 |
Total: | 3,023 |  | 3,023 | 3,143 |
Related Allowance | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 3,030 | [1] | 3,068 | 3,039 |
Total | 3,030 | [1] | 3,068 | 3,039 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 39 | [1] | 79 | 159 | [1]
Total | 39 | [1] | 79 | 159 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 32 | [1] | 63 | 127 |
Total | 32 | [1] | 63 | 127 |
Mortgage loans, land |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 723 |  | 723 | 321 |
With an allowance recorded | 0 |  | 0 | 362 |
Total: | 723 |  | 723 | 683 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 723 |  | 723 | 321 |
With an allowance recorded | 0 |  | 0 | 362 |
Total: | 723 |  | 723 | 683 |
Related Allowance | 0 |  | 0 | 76 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 518 | [1] | 452 | 292 |
With an allowance recorded | 181 | [1] | 241 | 72 |
Total | 699 | [1] | 693 | 364 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 | 2 | [1]
With an allowance recorded | 0 | [1] | 0 | 0 |
Total | 0 | [1] | 0 | 2 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 | 2 |
With an allowance recorded | 0 | [1] | 0 | 0 |
Total | 0 | [1] | 0 | 2 |
Consumer loans, home equity and second mortgage |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 413 |  | 413 | 516 |
Total: | 413 |  | 413 | 516 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 413 |  | 413 | 516 |
Total: | 413 |  | 413 | 516 |
Related Allowance | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 435 | [1] | 462 | 552 |
Total | 435 | [1] | 462 | 552 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 1 | [1] | 1 | 1 | [1]
Total | 1 | [1] | 1 | 1 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 1 | [1] | 1 | 1 |
Total | 1 | [1] | 1 | 1 |
Consumer loans, other |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 5 |  | 5 | 17 |
Total: | 5 |  | 5 | 17 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 5 |  | 5 | 17 |
Total: | 5 |  | 5 | 17 |
Related Allowance | 0 |  | 0 | 0 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 5 | [1] | 9 | 12 |
Total | 5 | [1] | 9 | 12 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 | 0 |
Total | 0 | [1] | 0 | 0 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 |  |
With an allowance recorded |  |  |  | 0 |
Total | 0 | [1] | 0 | 0 |
Commercial business loans |  |  |  |  |
Recorded Investment |  |  |  |  |
With no related allowance recorded | 156 |  | 156 | 164 |
With an allowance recorded | 249 |  | 249 | 294 |
Total: | 405 |  | 405 | 458 |
Unpaid Principal Balance (Loan Balance Plus Charge Off) |  |  |  |  |
With no related allowance recorded | 204 |  | 204 | 168 |
With an allowance recorded | 249 |  | 249 | 294 |
Total: | 453 |  | 453 | 462 |
Related Allowance | 127 |  | 127 | 171 |
Average Recorded Investment |  |  |  |  |
With no related allowance recorded | 158 | [1] | 160 | 200 |
With an allowance recorded | 274 |  | 281 | 285 |
Total | 432 | [1] | 441 | 485 |
Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 | 0 | [1]
With an allowance recorded | 0 | [1] | 0 | 0 |
Total | 0 | [1] | 0 | 0 |
Cash Basis Interest Income Recognized |  |  |  |  |
With no related allowance recorded | 0 | [1] | 0 | 0 |
With an allowance recorded | 0 | [1] | 0 | 0 |
Total | $ 0 | [1] | $ 0 | $ 0 |
[1] | For the three months ended March 31, 2022

X
- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableInterestIncomeCashBasisMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of interest income, recognized on cash basis, on financing receivables, for which there is no related allowance for credit losses and are recognized as impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment in impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income, recognized on accrual basis, on financing receivables, for which there is a related allowance for credit losses and are recognized as impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of interest income on financing receivables, for which there is a related allowance for credit losses, recognized on a cash-basis method of accounting that the financing receivables were impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment in impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=tsbk_MortgageLoansOneToFourFamilyMember
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_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: |