XML 55 R45.htm IDEA: XBRL DOCUMENT
v3.19.1

Loans Receivable And Allowance For Loan Losses: Schedule of loans evaluated individually for impairment and collectively evaluated for impairment in the allowance for loan losses (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Mar. 31, 2015
--- | --- | --- | --- | --- | --- | --- | ---
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |
Allowance for Loan Losses, Individually Evaluated for Impairment | $ 231 |  | $ 97 |  |  |  |
Allowance for Loan Losses, Collectively Evaluated for Impairment | 9,510 |  | 9,433 |  |  |  |
Allowance for Loan Losses, Total | 9,741 | $ 9,533 | 9,530 | $ 9,544 | $ 9,565 | $ 9,553 |
Recorded Investment in Loans, Individually Evaluated for Impairment | 5,673 |  | 4,272 |  |  |  |
Recorded Investment in Loans, Collectively Evaluated for Impairment | 880,208 |  | 733,286 |  |  |  |
Loans receivable | 885,881 |  | 737,558 |  |  |  |
Mortgage loans, one-to-four family |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |
Allowance for Loan Losses, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Allowance for Loan Losses, Collectively Evaluated for Impairment | 1,154 |  | 1,086 |  |  |  |
Allowance for Loan Losses, Total | 1,154 | 1,159 | 1,086 | 1,060 | 1,125 | 1,082 |
Recorded Investment in Loans, Individually Evaluated for Impairment | 1,069 |  | 1,054 |  |  |  |
Recorded Investment in Loans, Collectively Evaluated for Impairment | 129,344 |  | 114,887 |  |  |  |
Loans receivable | 130,413 |  | 115,941 |  |  |  |
Mortgage loans, multi-family |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |
Allowance for Loan Losses, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Allowance for Loan Losses, Collectively Evaluated for Impairment | 470 |  | 433 |  |  |  |
Allowance for Loan Losses, Total | 470 | 449 | 433 | 386 | 430 | 447 |
Recorded Investment in Loans, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Recorded Investment in Loans, Collectively Evaluated for Impairment | 74,816 |  | 61,928 |  |  |  |
Loans receivable | 74,816 |  | 61,928 |  |  |  |
Mortgage loans, commercial |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |
Allowance for Loan Losses, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Allowance for Loan Losses, Collectively Evaluated for Impairment | 4,122 |  | 4,248 |  |  |  |
Allowance for Loan Losses, Total | 4,122 | 4,239 | 4,248 | 4,198 | 4,093 | 4,184 |
Recorded Investment in Loans, Individually Evaluated for Impairment | 3,271 |  | 2,446 |  |  |  |
Recorded Investment in Loans, Collectively Evaluated for Impairment | 413,952 |  | 342,667 |  |  |  |
Loans receivable | 417,223 |  | 345,113 |  |  |  |
Mortgage loans, construction - custom and owner/builder |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |
Allowance for Loan Losses, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Allowance for Loan Losses, Collectively Evaluated for Impairment | 666 |  | 671 |  |  |  |
Allowance for Loan Losses, Total | 666 | 643 | 671 | 705 | 788 | 699 |
Recorded Investment in Loans, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Recorded Investment in Loans, Collectively Evaluated for Impairment | 66,622 |  | 67,024 |  |  |  |
Loans receivable | 66,622 |  | 67,024 |  |  |  |
Mortgage loans, construction - speculative one-to-four family |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |
Allowance for Loan Losses, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Allowance for Loan Losses, Collectively Evaluated for Impairment | 249 |  | 178 |  |  |  |
Allowance for Loan Losses, Total | 249 | 206 | 178 | 99 | 75 | 128 |
Recorded Investment in Loans, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Recorded Investment in Loans, Collectively Evaluated for Impairment | 11,296 |  | 7,107 |  |  |  |
Loans receivable | 11,296 |  | 7,107 |  |  |  |
Mortgage loans, construction – commercial |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |
Allowance for Loan Losses, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Allowance for Loan Losses, Collectively Evaluated for Impairment | 384 |  | 563 |  |  |  |
Allowance for Loan Losses, Total | 384 | 386 | 563 | 445 | 396 | 303 |
Recorded Investment in Loans, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Recorded Investment in Loans, Collectively Evaluated for Impairment | 27,752 |  | 23,440 |  |  |  |
Loans receivable | 27,752 |  | 23,440 |  |  |  |
Mortgage loans, construction - Multi-family |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |
Allowance for Loan Losses, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Allowance for Loan Losses, Collectively Evaluated for Impairment | 272 |  | 135 |  |  |  |
Allowance for Loan Losses, Total | 272 | 209 | 135 | 284 | 228 | 173 |
Recorded Investment in Loans, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Recorded Investment in Loans, Collectively Evaluated for Impairment | 13,595 |  | 5,983 |  |  |  |
Loans receivable | 13,595 |  | 5,983 |  |  |  |
Mortgage loans, construction - Land development |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |
Allowance for Loan Losses, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Allowance for Loan Losses, Collectively Evaluated for Impairment | 244 |  | 49 |  |  |  |
Allowance for Loan Losses, Total | 244 | 143 | 49 | 48 | 0 |  | $ 0
Recorded Investment in Loans, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Recorded Investment in Loans, Collectively Evaluated for Impairment | 7,405 |  | 1,567 |  |  |  |
Loans receivable | 7,405 |  | 1,567 |  |  |  |
Mortgage loans, land |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |
Allowance for Loan Losses, Individually Evaluated for Impairment | 77 |  | 34 |  |  |  |
Allowance for Loan Losses, Collectively Evaluated for Impairment | 572 |  | 810 |  |  |  |
Allowance for Loan Losses, Total | 649 | 757 | 844 | 691 | 780 | 918 |
Recorded Investment in Loans, Individually Evaluated for Impairment | 461 |  | 243 |  |  |  |
Recorded Investment in Loans, Collectively Evaluated for Impairment | 22,010 |  | 25,303 |  |  |  |
Loans receivable | 22,471 |  | 25,546 |  |  |  |
Consumer loans, home equity and second mortgage |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |
Allowance for Loan Losses, Individually Evaluated for Impairment | 0 |  | 0 |  |  |  |
Allowance for Loan Losses, Collectively Evaluated for Impairment | 667 |  | 649 |  |  |  |
Allowance for Loan Losses, Total | 667 | 666 | 649 | 945 | 958 | 983 |
Recorded Investment in Loans, Individually Evaluated for Impairment | 342 |  | 359 |  |  |  |
Recorded Investment in Loans, Collectively Evaluated for Impairment | 41,267 |  | 36,982 |  |  |  |
Loans receivable | 41,609 |  | 37,341 |  |  |  |
Consumer loans, other |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |
Allowance for Loan Losses, Individually Evaluated for Impairment | 9 |  | 0 |  |  |  |
Allowance for Loan Losses, Collectively Evaluated for Impairment | 103 |  | 117 |  |  |  |
Allowance for Loan Losses, Total | 112 | 101 | 117 | 120 | 129 | 121 |
Recorded Investment in Loans, Individually Evaluated for Impairment | 15 |  | 0 |  |  |  |
Recorded Investment in Loans, Collectively Evaluated for Impairment | 4,590 |  | 3,515 |  |  |  |
Loans receivable | 4,605 |  | 3,515 |  |  |  |
Commercial business loans |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |  |  |
Allowance for Loan Losses, Individually Evaluated for Impairment | 145 |  | 63 |  |  |  |
Allowance for Loan Losses, Collectively Evaluated for Impairment | 607 |  | 494 |  |  |  |
Allowance for Loan Losses, Total | 752 | $ 575 | 557 | $ 563 | $ 563 | $ 515 |
Recorded Investment in Loans, Individually Evaluated for Impairment | 515 |  | 170 |  |  |  |
Recorded Investment in Loans, Collectively Evaluated for Impairment | 67,559 |  | 42,883 |  |  |  |
Loans receivable | $ 68,074 |  | $ 43,053 |  |  |  |

X
- Definition Loans Receivable, Including Loans Held-For-Sale and Loans in Process, Gross + References No definition available. + Details
Name: | tsbk_LoansReceivableIncludingLoansHeldForSaleAndUndisbursedPortionOfLoanBalanceGross
Namespace Prefix: | tsbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The balance of financing receivables that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
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=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: |