$TSBK
Timberland Bancorp Inc Stock $tsbk

$tsbk Overview Financials Valuation SEC Filings Company Website

2023 Q2 Form 10-Q Financial Statement

#000093905723000134 Filed on May 09, 2023

Income Statement

Concept	2023 Q2	2023 Q1
Revenue	$19.89M	$19.39M
YoY Change	35.97%	43.39%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$665.0K	$660.0K
YoY Change	-2.92%	-9.09%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$3.255M	$2.236M
YoY Change	404.65%	256.62%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$7.972M	$8.368M
YoY Change	10.57%	25.97%
Income Tax	$1.666M	$1.705M
% Of Pretax Income	20.9%	20.38%
Net Earnings	$6.306M	$6.663M
YoY Change	9.9%	25.08%
Net Earnings / Revenue	31.71%	34.37%
Basic Earnings Per Share	$0.77	$0.81
Diluted Earnings Per Share	$0.77	$0.80
COMMON SHARES
Basic Shares Outstanding	8.203M shares	8.222M shares
Diluted Shares Outstanding	8.214M shares	8.304M shares

Balance Sheet

Concept	2023 Q2	2023 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$130.0M	$142.5M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$23.42M	$23.59M
YoY Change	5.71%	7.82%
Goodwill	$15.13M	$15.13M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$1.808B	$1.787B
YoY Change	-4.24%	-4.84%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$1.939M	$1.935M
YoY Change	-9.18%	-12.44%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.939M	$1.935M
YoY Change	-9.18%	-12.44%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$8.781M	$8.255M
YoY Change	21.5%	25.74%
Total Long-Term Liabilities	$8.781M	$8.255M
YoY Change	21.5%	25.74%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.939M	$1.935M
Total Long-Term Liabilities	$8.781M	$8.255M
Total Liabilities	$1.578B	$1.559B
YoY Change	-5.68%	-6.38%
SHAREHOLDERS EQUITY
Retained Earnings	$194.6M	$190.2M
YoY Change	11.01%	10.96%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$229.3M	$227.7M
YoY Change
Total Liabilities & Shareholders Equity	$1.808B	$1.787B
YoY Change	-4.24%	-4.84%

Cashflow Statement

Concept	2023 Q2	2023 Q1
OPERATING ACTIVITIES
Net Income	$6.306M	$6.663M
YoY Change	9.9%	25.08%
Depreciation, Depletion And Amortization	$665.0K	$660.0K
YoY Change	-2.92%	-9.09%
Cash From Operating Activities	$7.866M	$5.943M
YoY Change	-12.41%	15.38%
INVESTING ACTIVITIES
Capital Expenditures	$193.0K	$375.0K
YoY Change	-132.01%	-415.13%
Acquisitions
YoY Change
Other Investing Activities	-$34.63M	-$32.79M
YoY Change	-58.23%	-70.85%
Cash From Investing Activities	-$34.82M	-$33.17M
YoY Change	-58.3%	-70.55%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	14.43M	-55.19M
YoY Change	228.96%	-233.17%
NET CHANGE
Cash From Operating Activities	7.866M	5.943M
Cash From Investing Activities	-34.82M	-33.17M
Cash From Financing Activities	14.43M	-55.19M
Net Change In Cash	-12.53M	-82.41M
YoY Change	-82.14%	24.82%
FREE CASH FLOW
Cash From Operating Activities	$7.866M	$5.943M
Capital Expenditures	$193.0K	$375.0K
Free Cash Flow	$7.673M	$5.568M
YoY Change	-19.93%	5.65%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001046050
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
	dei	Amendment Flag AmendmentFlag	false
	tsbk	Employee Severance Compensation Plan Employee Service Requirement EmployeeSeveranceCompensationPlanEmployeeServiceRequirement	P2Y
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2023-03-31
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	000-23333
	dei	Entity Registrant Name EntityRegistrantName	TIMBERLAND BANCORP, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	WA
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	91-1863696
	dei	Entity Address Address Line1 EntityAddressAddressLine1	624 Simpson Avenue
	dei	Entity Address City Or Town EntityAddressCityOrTown	Hoquiam
	dei	Entity Address State Or Province EntityAddressStateOrProvince	WA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	98550
	dei	City Area Code CityAreaCode	(360)
	dei	Local Phone Number LocalPhoneNumber	533-4747
	dei	Security12b Title Security12bTitle	Common stock, $.01 par value
	dei	Trading Symbol TradingSymbol	TSBK
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	8203174	shares
CY2023Q1	us-gaap	Cash And Due From Banks CashAndDueFromBanks	26015000	usd
CY2022Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	24808000	usd
CY2023Q1	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	116468000	usd
CY2022Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	291947000	usd
CY2023Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	142483000	usd
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	316755000	usd
CY2023Q1	us-gaap	Certificates Of Deposit At Carrying Value CertificatesOfDepositAtCarryingValue	20168000	usd
CY2022Q3	us-gaap	Certificates Of Deposit At Carrying Value CertificatesOfDepositAtCarryingValue	22894000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	265092000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	249783000	usd
CY2023Q1	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	277911000	usd
CY2022Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	266608000	usd
CY2023Q1	us-gaap	Mortgage Backed Securities Available For Sale Fair Value Disclosure MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure	54838000	usd
CY2022Q3	us-gaap	Mortgage Backed Securities Available For Sale Fair Value Disclosure MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure	41415000	usd
CY2023Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	850000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	835000	usd
CY2023Q1	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	2202000	usd
CY2022Q3	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	2194000	usd
CY2023Q1	us-gaap	Other Investments OtherInvestments	3000000	usd
CY2022Q3	us-gaap	Other Investments OtherInvestments	3000000	usd
CY2023Q1	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	200000	usd
CY2022Q3	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	748000	usd
CY2023Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	14698000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	13703000	usd
CY2023Q1	us-gaap	Notes Receivable Net NotesReceivableNet	1210193000	usd
CY2022Q3	us-gaap	Notes Receivable Net NotesReceivableNet	1132426000	usd
CY2023Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	21744000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	21898000	usd
CY2023Q1	us-gaap	Interest Receivable InterestReceivable	5295000	usd
CY2022Q3	us-gaap	Interest Receivable InterestReceivable	4483000	usd
CY2023Q1	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	23119000	usd
CY2022Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	22806000	usd
CY2023Q1	us-gaap	Goodwill Goodwill	15131000	usd
CY2022Q3	us-gaap	Goodwill Goodwill	15131000	usd
CY2023Q1	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	813000	usd
CY2022Q3	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	948000	usd
CY2023Q1	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	2535000	usd
CY2022Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	3023000	usd
CY2023Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1844000	usd
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1980000	usd
CY2023Q1	us-gaap	Other Assets OtherAssets	4292000	usd
CY2022Q3	us-gaap	Other Assets OtherAssets	3364000	usd
CY2023Q1	us-gaap	Assets Assets	1786618000	usd
CY2022Q3	us-gaap	Assets Assets	1860508000	usd
CY2023Q1	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	479283000	usd
CY2022Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	530058000	usd
CY2023Q1	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	1069484000	usd
CY2022Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	1102118000	usd
CY2023Q1	us-gaap	Deposits Deposits	1548767000	usd
CY2022Q3	us-gaap	Deposits Deposits	1632176000	usd
CY2023Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	1935000	usd
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	2066000	usd
CY2023Q1	us-gaap	Other Accounts Payable And Accrued Liabilities OtherAccountsPayableAndAccruedLiabilities	8255000	usd
CY2022Q3	us-gaap	Other Accounts Payable And Accrued Liabilities OtherAccountsPayableAndAccruedLiabilities	7697000	usd
CY2023Q1	us-gaap	Liabilities Liabilities	1558957000	usd
CY2022Q3	us-gaap	Liabilities Liabilities	1641939000	usd
CY2022Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2023Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2023Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2022Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2023Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q1	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	usd
CY2022Q3	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	usd
CY2022Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2022Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2023Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8203174	shares
CY2023Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	8203174	shares
CY2022Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	8221952	shares
CY2022Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8221952	shares
CY2023Q1	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	37979000	usd
CY2022Q3	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	38751000	usd
CY2023Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	190177000	usd
CY2022Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	180535000	usd
CY2023Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-495000	usd
CY2022Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-717000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	227661000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	218569000	usd
CY2023Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1786618000	usd
CY2022Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1860508000	usd
CY2023Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	14950000	usd
CY2022Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	12620000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	29407000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	25242000	usd
CY2023Q1	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	2460000	usd
CY2022Q1	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	590000	usd
	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	4674000	usd
	us-gaap	Interest Income Securities Mortgage Backed InterestIncomeSecuritiesMortgageBacked	996000	usd
CY2023Q1	us-gaap	Investment Income Dividend InvestmentIncomeDividend	64000	usd
CY2022Q1	us-gaap	Investment Income Dividend InvestmentIncomeDividend	27000	usd
	us-gaap	Investment Income Dividend InvestmentIncomeDividend	115000	usd
	us-gaap	Investment Income Dividend InvestmentIncomeDividend	54000	usd
CY2023Q1	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	1913000	usd
CY2022Q1	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	283000	usd
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	4304000	usd
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	571000	usd
CY2023Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	19387000	usd
CY2022Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	13520000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	38500000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	26863000	usd
CY2023Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2236000	usd
CY2022Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	625000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	3606000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1257000	usd
CY2023Q1	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	0	usd
CY2022Q1	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	2000	usd
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	0	usd
	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	17000	usd
CY2023Q1	us-gaap	Interest Expense InterestExpense	2236000	usd
CY2022Q1	us-gaap	Interest Expense InterestExpense	627000	usd
	us-gaap	Interest Expense InterestExpense	3606000	usd
	us-gaap	Interest Expense InterestExpense	1274000	usd
CY2023Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	17151000	usd
CY2022Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	12893000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	34894000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25589000	usd
CY2023Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	475000	usd
CY2022Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	usd
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1000000	usd
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	usd
CY2023Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	16676000	usd
CY2022Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	12893000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	33894000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	25589000	usd
CY2023Q1	tsbk	Otherthan Temporary Impairment Losses Recoveries Investments Portion Recognizedin Earnings Net OtherthanTemporaryImpairmentLossesRecoveriesInvestmentsPortionRecognizedinEarningsNet	-2000	usd
CY2022Q1	tsbk	Otherthan Temporary Impairment Losses Recoveries Investments Portion Recognizedin Earnings Net OtherthanTemporaryImpairmentLossesRecoveriesInvestmentsPortionRecognizedinEarningsNet	-3000	usd
	tsbk	Otherthan Temporary Impairment Losses Recoveries Investments Portion Recognizedin Earnings Net OtherthanTemporaryImpairmentLossesRecoveriesInvestmentsPortionRecognizedinEarningsNet	-5000	usd
	tsbk	Otherthan Temporary Impairment Losses Recoveries Investments Portion Recognizedin Earnings Net OtherthanTemporaryImpairmentLossesRecoveriesInvestmentsPortionRecognizedinEarningsNet	-11000	usd
CY2023Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	157000	usd
CY2022Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	152000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	313000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	305000	usd
CY2023Q1	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	46000	usd
CY2022Q1	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	416000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	67000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	1079000	usd
CY2023Q1	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Period Increase Decrease ValuationAllowanceForImpairmentOfRecognizedServicingAssetsPeriodIncreaseDecrease	0	usd
CY2022Q1	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Period Increase Decrease ValuationAllowanceForImpairmentOfRecognizedServicingAssetsPeriodIncreaseDecrease	0	usd
	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Period Increase Decrease ValuationAllowanceForImpairmentOfRecognizedServicingAssetsPeriodIncreaseDecrease	0	usd
	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Period Increase Decrease ValuationAllowanceForImpairmentOfRecognizedServicingAssetsPeriodIncreaseDecrease	119000	usd
CY2023Q1	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	234000	usd
CY2022Q1	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	207000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	531000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	438000	usd
CY2023Q1	us-gaap	Noninterest Income NoninterestIncome	2636000	usd
CY2022Q1	us-gaap	Noninterest Income NoninterestIncome	3083000	usd
	us-gaap	Noninterest Income NoninterestIncome	5341000	usd
	us-gaap	Noninterest Income NoninterestIncome	6525000	usd
CY2023Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	6046000	usd
CY2022Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	5192000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	11946000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	10363000	usd
CY2023Q1	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1001000	usd
CY2022Q1	us-gaap	Depreciation Nonproduction DepreciationNonproduction	988000	usd
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1925000	usd
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1916000	usd
CY2023Q1	us-gaap	Advertising Expense AdvertisingExpense	178000	usd
CY2022Q1	us-gaap	Advertising Expense AdvertisingExpense	161000	usd
	us-gaap	Advertising Expense AdvertisingExpense	372000	usd
	us-gaap	Advertising Expense AdvertisingExpense	327000	usd
CY2023Q1	tsbk	Foreclosed Real Estate Expense Net Of Recoveries ForeclosedRealEstateExpenseNetOfRecoveries	0	usd
CY2022Q1	tsbk	Foreclosed Real Estate Expense Net Of Recoveries ForeclosedRealEstateExpenseNetOfRecoveries	2000	usd
	tsbk	Foreclosed Real Estate Expense Net Of Recoveries ForeclosedRealEstateExpenseNetOfRecoveries	0	usd
	tsbk	Foreclosed Real Estate Expense Net Of Recoveries ForeclosedRealEstateExpenseNetOfRecoveries	-16000	usd
CY2023Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	489000	usd
CY2022Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	450000	usd
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	972000	usd
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	914000	usd
CY2023Q1	us-gaap	Postage Expense PostageExpense	147000	usd
CY2022Q1	us-gaap	Postage Expense PostageExpense	164000	usd
	us-gaap	Postage Expense PostageExpense	268000	usd
	us-gaap	Postage Expense PostageExpense	300000	usd
CY2023Q1	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	298000	usd
CY2022Q1	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	235000	usd
	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	597000	usd
	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	489000	usd
CY2023Q1	us-gaap	Professional Fees ProfessionalFees	473000	usd
CY2022Q1	us-gaap	Professional Fees ProfessionalFees	322000	usd
	us-gaap	Professional Fees ProfessionalFees	902000	usd
	us-gaap	Professional Fees ProfessionalFees	593000	usd
CY2023Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	202000	usd
CY2022Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	126000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	326000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	254000	usd
CY2023Q1	tsbk	Loan Portfolio Expense Net Of Recoveries LoanPortfolioExpenseNetOfRecoveries	138000	usd
CY2022Q1	tsbk	Loan Portfolio Expense Net Of Recoveries LoanPortfolioExpenseNetOfRecoveries	96000	usd
	tsbk	Loan Portfolio Expense Net Of Recoveries LoanPortfolioExpenseNetOfRecoveries	259000	usd
	tsbk	Loan Portfolio Expense Net Of Recoveries LoanPortfolioExpenseNetOfRecoveries	200000	usd
CY2023Q1	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	880000	usd
CY2022Q1	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	669000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	1668000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	1282000	usd
CY2023Q1	us-gaap	Expense Related To Distribution Or Servicing And Underwriting Fees ExpenseRelatedToDistributionOrServicingAndUnderwritingFees	246000	usd
CY2022Q1	us-gaap	Expense Related To Distribution Or Servicing And Underwriting Fees ExpenseRelatedToDistributionOrServicingAndUnderwritingFees	262000	usd
	us-gaap	Expense Related To Distribution Or Servicing And Underwriting Fees ExpenseRelatedToDistributionOrServicingAndUnderwritingFees	592000	usd
	us-gaap	Expense Related To Distribution Or Servicing And Underwriting Fees ExpenseRelatedToDistributionOrServicingAndUnderwritingFees	561000	usd
CY2023Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	67000	usd
CY2022Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	79000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	135000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	158000	usd
CY2023Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	779000	usd
CY2022Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	587000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1517000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1256000	usd
CY2023Q1	us-gaap	Noninterest Expense NoninterestExpense	10944000	usd
CY2022Q1	us-gaap	Noninterest Expense NoninterestExpense	9333000	usd
	us-gaap	Noninterest Expense NoninterestExpense	21479000	usd
	us-gaap	Noninterest Expense NoninterestExpense	18597000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	8368000	usd
CY2022Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	6643000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	17756000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	13517000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1705000	usd
CY2022Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1316000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3587000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2705000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	6663000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	5327000	usd
	us-gaap	Net Income Loss NetIncomeLoss	14169000	usd
	us-gaap	Net Income Loss NetIncomeLoss	10812000	usd
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.81
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.64
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.72
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.30
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.63
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.70
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.28
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8220532	shares
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8337407	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8226467	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8346839	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8304370	shares
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8421875	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8311630	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8435536	shares
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	6663000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	5327000	usd
	us-gaap	Net Income Loss NetIncomeLoss	14169000	usd
	us-gaap	Net Income Loss NetIncomeLoss	10812000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	64000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-40000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	58000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-45000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	239000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-152000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	220000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-170000	usd
CY2023Q1	tsbk	Otherthan Temporary Impairment Losses Investments Accretionof Noncredit Portion Heldtomaturity Securities Tax OtherthanTemporaryImpairmentLossesInvestmentsAccretionofNoncreditPortionHeldtomaturitySecuritiesTax	0	usd
CY2022Q1	tsbk	Otherthan Temporary Impairment Losses Investments Accretionof Noncredit Portion Heldtomaturity Securities Tax OtherthanTemporaryImpairmentLossesInvestmentsAccretionofNoncreditPortionHeldtomaturitySecuritiesTax	1000	usd
	tsbk	Otherthan Temporary Impairment Losses Investments Accretionof Noncredit Portion Heldtomaturity Securities Tax OtherthanTemporaryImpairmentLossesInvestmentsAccretionofNoncreditPortionHeldtomaturitySecuritiesTax	1000	usd
	tsbk	Otherthan Temporary Impairment Losses Investments Accretionof Noncredit Portion Heldtomaturity Securities Tax OtherthanTemporaryImpairmentLossesInvestmentsAccretionofNoncreditPortionHeldtomaturitySecuritiesTax	1000	usd
CY2023Q1	us-gaap	Other Comprehensive Loss Held To Maturity Security Adjustment From Aoci For Accretion Of Noncredit Portion Of Otti After Tax OtherComprehensiveLossHeldToMaturitySecurityAdjustmentFromAociForAccretionOfNoncreditPortionOfOttiAfterTax	1000	usd
CY2022Q1	us-gaap	Other Comprehensive Loss Held To Maturity Security Adjustment From Aoci For Accretion Of Noncredit Portion Of Otti After Tax OtherComprehensiveLossHeldToMaturitySecurityAdjustmentFromAociForAccretionOfNoncreditPortionOfOttiAfterTax	3000	usd
	us-gaap	Other Comprehensive Loss Held To Maturity Security Adjustment From Aoci For Accretion Of Noncredit Portion Of Otti After Tax OtherComprehensiveLossHeldToMaturitySecurityAdjustmentFromAociForAccretionOfNoncreditPortionOfOttiAfterTax	2000	usd
	us-gaap	Other Comprehensive Loss Held To Maturity Security Adjustment From Aoci For Accretion Of Noncredit Portion Of Otti After Tax OtherComprehensiveLossHeldToMaturitySecurityAdjustmentFromAociForAccretionOfNoncreditPortionOfOttiAfterTax	4000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	240000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-149000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	222000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-166000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	6903000	usd
CY2022Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	5178000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	14391000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	10646000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	210375000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	5327000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-149000	usd
CY2022Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1716000	usd
CY2022Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	202000	usd
CY2022Q1	us-gaap	Dividends Common Stock DividendsCommonStock	1836000	usd
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	212269000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	223549000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	6663000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	240000	usd
CY2023Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1098000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	121000	usd
CY2023Q1	us-gaap	Dividends Common Stock DividendsCommonStock	1892000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	227661000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	206899000	usd
	us-gaap	Net Income Loss NetIncomeLoss	10812000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-166000	usd
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	2149000	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	332000	usd
	us-gaap	Dividends Common Stock DividendsCommonStock	3591000	usd
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	212269000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	218569000	usd
	us-gaap	Net Income Loss NetIncomeLoss	14169000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	222000	usd
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1445000	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	517000	usd
	us-gaap	Dividends Common Stock DividendsCommonStock	4527000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	227661000	usd
	us-gaap	Net Income Loss NetIncomeLoss	14169000	usd
	us-gaap	Net Income Loss NetIncomeLoss	10812000	usd
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1000000	usd
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	usd
	us-gaap	Depreciation Depreciation	672000	usd
	us-gaap	Depreciation Depreciation	708000	usd
	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	266000	usd
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-43000	usd
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-91000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	135000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	158000	usd
	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	156000	usd
	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	132000	usd
	tsbk	Otherthan Temporary Impairment Losses Recoveries Investments Portion Recognizedin Earnings Net OtherthanTemporaryImpairmentLossesRecoveriesInvestmentsPortionRecognizedinEarningsNet	-5000	usd
	tsbk	Otherthan Temporary Impairment Losses Recoveries Investments Portion Recognizedin Earnings Net OtherthanTemporaryImpairmentLossesRecoveriesInvestmentsPortionRecognizedinEarningsNet	-11000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	15000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-53000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	631000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-176000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	67000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	1079000	usd
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	2931000	usd
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	37915000	usd
	us-gaap	Proceeds From Sale And Collection Of Loans Heldforsale ProceedsFromSaleAndCollectionOfLoansHeldforsale	3546000	usd
	us-gaap	Proceeds From Sale And Collection Of Loans Heldforsale ProceedsFromSaleAndCollectionOfLoansHeldforsale	39439000	usd
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	522000	usd
	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	600000	usd
	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	0	usd
	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	-119000	usd
	us-gaap	Payment To Acquire Life Insurance Policy Operating Activities PaymentToAcquireLifeInsurancePolicyOperatingActivities	313000	usd
	us-gaap	Payment To Acquire Life Insurance Policy Operating Activities PaymentToAcquireLifeInsurancePolicyOperatingActivities	305000	usd
	us-gaap	Increase Decrease In Loans Deferred Income IncreaseDecreaseInLoansDeferredIncome	-438000	usd
	us-gaap	Increase Decrease In Loans Deferred Income IncreaseDecreaseInLoansDeferredIncome	1342000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1269000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2071000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	15364000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	9411000	usd
	us-gaap	Increase Decrease Of Restricted Investments IncreaseDecreaseOfRestrictedInvestments	-2726000	usd
	us-gaap	Increase Decrease Of Restricted Investments IncreaseDecreaseOfRestrictedInvestments	137000	usd
	us-gaap	Payments To Acquire Mortgage Backed Securities Mbs Categorized As Held To Maturity PaymentsToAcquireMortgageBackedSecuritiesMBSCategorizedAsHeldToMaturity	15602000	usd
	us-gaap	Payments To Acquire Mortgage Backed Securities Mbs Categorized As Held To Maturity PaymentsToAcquireMortgageBackedSecuritiesMBSCategorizedAsHeldToMaturity	126272000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	16994000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	0	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	4865000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	5992000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	3921000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	12152000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	12152000	usd
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	8000	usd
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	91000	usd
	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	79162000	usd
	us-gaap	Payments For Proceeds From Loans Receivable PaymentsForProceedsFromLoansReceivable	64193000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	518000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	219000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-100772000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-172768000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-83409000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	85871000	usd
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	0	usd
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	5000000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	517000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	332000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1445000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2149000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	4527000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	3591000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-88864000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	75463000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-174272000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-87894000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	316755000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	580196000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	142483000	usd
CY2022Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	492302000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	4634000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	2188000	usd
	us-gaap	Interest Paid Net InterestPaidNet	3214000	usd
	us-gaap	Interest Paid Net InterestPaidNet	1305000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	222000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-166000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	612000	usd
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
	us-gaap	Use Of Estimates UseOfEstimates	The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and the disclosure of contingent assets and liabilities, as of the date of the consolidated balance sheets, and the reported amounts of income and expenses during the reporting period. Actual results could differ from those estimates.
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Certain prior period amounts have been reclassified to conform to the March 31, 2023 presentation with no change to previously reported net income or total shareholders’ equity.
CY2023Q1	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	277911000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	13431000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	265092000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Amortized Cost Before Other Than Temporary Impairment HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment	266608000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	260000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	17085000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	249783000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	55617000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1351000	usd
CY2023Q1	tsbk	Heldtomaturity Securitiesin Unrealized Loss Positions Qualitative Disclosure Numberof Positions Less Than12 Months HeldtomaturitySecuritiesinUnrealizedLossPositionsQualitativeDisclosureNumberofPositionsLessThan12Months	41	security
CY2023Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	178634000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	12080000	usd
CY2023Q1	tsbk	Heldtomaturity Securitiesin Unrealized Loss Positions Qualitative Disclosure Numberof Positions12 Monthsor Longer HeldtomaturitySecuritiesinUnrealizedLossPositionsQualitativeDisclosureNumberofPositions12MonthsorLonger	73	security
CY2023Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	234251000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	13431000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	189351000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	10937000	usd
CY2022Q3	tsbk	Heldtomaturity Securitiesin Unrealized Loss Positions Qualitative Disclosure Numberof Positions Less Than12 Months HeldtomaturitySecuritiesinUnrealizedLossPositionsQualitativeDisclosureNumberofPositionsLessThan12Months	100000	security
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	47652000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	6148000	usd
CY2022Q3	tsbk	Heldtomaturity Securitiesin Unrealized Loss Positions Qualitative Disclosure Numberof Positions12 Monthsor Longer HeldtomaturitySecuritiesinUnrealizedLossPositionsQualitativeDisclosureNumberofPositions12MonthsorLonger	20000	security
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	237003000	usd
CY2022Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	17085000	usd
CY2022Q3	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	836000	usd
CY2021Q3	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	853000	usd
	tsbk	Other Than Temporary Impairment Credit Losses Recognized In Earnings Net Realized Gain Loss OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsNetRealizedGainLoss	-9000	usd
	tsbk	Other Than Temporary Impairment Credit Losses Recognized In Earnings Net Realized Gain Loss OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsNetRealizedGainLoss	1000	usd
	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	5000	usd
	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	8000	usd
CY2023Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	822000	usd
CY2022Q1	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	846000	usd
	tsbk	Marketable Securities Realized Loss MarketableSecuritiesRealizedLoss	9000	usd
	tsbk	Held To Maturity Securities Gross Realized Loss Number Of Securities HeldToMaturitySecuritiesGrossRealizedLossNumberOfSecurities	14	security
	tsbk	Marketable Securities Realized Loss MarketableSecuritiesRealizedLoss	1000	usd
	tsbk	Held To Maturity Securities Gross Realized Loss Number Of Securities HeldToMaturitySecuritiesGrossRealizedLossNumberOfSecurities	14	security
CY2023Q1	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	215330000	usd
CY2022Q3	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	133820000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	54872000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	53419000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	0	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	0	usd
CY2023Q1	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	123311000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	117192000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	3200000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	3180000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	25082000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	22814000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	7653000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	7624000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	74646000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	71667000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	44601000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	44034000	usd
CY2023Q1	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	277911000	usd
CY2023Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	265092000	usd
CY2023Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	55454000	usd
CY2023Q1	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	54838000	usd
CY2022Q3	us-gaap	Goodwill Goodwill	15130000	usd
CY2023Q1	us-gaap	Goodwill Goodwill	15130000	usd
CY2023Q1	tsbk	Loans Receivable Including Loans Held For Sale Excluding Loans In Process And Deferred Fees Gross LoansReceivableIncludingLoansHeldForSaleExcludingLoansInProcessAndDeferredFeesGross	1328903000	usd
CY2023Q1	tsbk	Loans Receivable Ratio Of Loan Category To Total Loans LoansReceivableRatioOfLoanCategoryToTotalLoans	1.000
CY2022Q3	tsbk	Loans Receivable Including Loans Held For Sale Excluding Loans In Process And Deferred Fees Gross LoansReceivableIncludingLoansHeldForSaleExcludingLoansInProcessAndDeferredFeesGross	1253618000	usd
CY2022Q3	tsbk	Loans Receivable Ratio Of Loan Category To Total Loans LoansReceivableRatioOfLoanCategoryToTotalLoans	1.000
CY2023Q1	us-gaap	Loans And Leases Receivable Loans In Process LoansAndLeasesReceivableLoansInProcess	99253000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Loans In Process LoansAndLeasesReceivableLoansInProcess	103168000	usd
CY2023Q1	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	4759000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	4321000	usd
CY2023Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	14698000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	13703000	usd
CY2023Q1	tsbk	Loansand Leases Receivable Loansin Process Deferred Incomeand Allowance LoansandLeasesReceivableLoansinProcessDeferredIncomeandAllowance	118710000	usd
CY2022Q3	tsbk	Loansand Leases Receivable Loansin Process Deferred Incomeand Allowance LoansandLeasesReceivableLoansinProcessDeferredIncomeandAllowance	121192000	usd
CY2023Q1	us-gaap	Notes Receivable Net NotesReceivableNet	1210193000	usd
CY2022Q3	us-gaap	Notes Receivable Net NotesReceivableNet	1132426000	usd
CY2023Q1	tsbk	Loans Receivable Loans Held For Sale Excluding Loansin Processand Deferred Fees Gross Mortgage Loans LoansReceivableLoansHeldForSaleExcludingLoansinProcessandDeferredFeesGrossMortgageLoans	200000	usd
CY2022Q3	tsbk	Loans Receivable Loans Held For Sale Excluding Loansin Processand Deferred Fees Gross Mortgage Loans LoansReceivableLoansHeldForSaleExcludingLoansinProcessandDeferredFeesGrossMortgageLoans	748000	usd
CY2023Q1	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	225000	usd
CY2022Q3	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	267000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	14229000	usd
CY2023Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	475000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	6000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	0	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	14698000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13703000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1000000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	6000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	14698000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13468000	usd
CY2022Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	usd
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	50000	usd
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	15000	usd
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13433000	usd
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13469000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	51000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	15000	usd
CY2022Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13433000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	123000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	14575000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	14698000	usd
CY2023Q1	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	4518000	usd
CY2023Q1	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1225132000	usd
CY2023Q1	tsbk	Loans Receivable Including Loans Held For Sale And Undisbursed Portion Of Loan Balance Gross LoansReceivableIncludingLoansHeldForSaleAndUndisbursedPortionOfLoanBalanceGross	1229650000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	127000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	13576000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	13703000	usd
CY2022Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	4532000	usd
CY2022Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1145918000	usd
CY2022Q3	tsbk	Loans Receivable Including Loans Held For Sale And Undisbursed Portion Of Loan Balance Gross LoansReceivableIncludingLoansHeldForSaleAndUndisbursedPortionOfLoanBalanceGross	1150450000	usd
CY2023Q1	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	1969000	usd
CY2023Q1	us-gaap	Notes Receivable Gross NotesReceivableGross	1229650000	usd
CY2022Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	2059000	usd
CY2022Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	1150450000	usd
CY2023Q1	tsbk	Loans Receivable Including Loans Held For Sale And Undisbursed Portion Of Loan Balance Gross LoansReceivableIncludingLoansHeldForSaleAndUndisbursedPortionOfLoanBalanceGross	1229650000	usd
CY2022Q3	tsbk	Loans Receivable Including Loans Held For Sale And Undisbursed Portion Of Loan Balance Gross LoansReceivableIncludingLoansHeldForSaleAndUndisbursedPortionOfLoanBalanceGross	1150450000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	4273000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	4365000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	4263000	usd
	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	4268000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	52000	usd
	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	103000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	42000	usd
	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	84000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	245000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	245000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	123000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	247000	usd
	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	249000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	0	usd
	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	0	usd
CY2023Q1	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod	0	usd
	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod	0	usd
CY2023Q1	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	4518000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	4610000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	123000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	4510000	usd
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	4517000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	52000	usd
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	103000	usd
CY2023Q1	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	42000	usd
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	84000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	4282000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	4375000	usd
	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	4567000	usd
	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	189000	usd
	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	159000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	250000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	250000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	127000	usd
	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	413000	usd
	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	0	usd
	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod	0	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	4532000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	4625000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	127000	usd
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	4980000	usd
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	189000	usd
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	159000	usd
CY2023Q1	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2600000	usd
CY2022Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2620000	usd
CY2023Q1	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	usd
CY2023Q1	us-gaap	Lease Cost LeaseCost	85000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	usd
CY2023Q1	tsbk	Allowancefor Loan Losses Allocatedto Troubled Debt Restructured Loans AllowanceforLoanLossesAllocatedtoTroubledDebtRestructuredLoans	0	usd
CY2023Q1	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2600000	usd
CY2022Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2615000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P5Y
CY2023Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	85000	usd
CY2022Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	94000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	174000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	188000	usd
CY2023Q1	us-gaap	Short Term Lease Cost ShortTermLeaseCost	0	usd
CY2022Q1	us-gaap	Short Term Lease Cost ShortTermLeaseCost	0	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	0	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	0	usd
CY2022Q1	us-gaap	Lease Cost LeaseCost	94000	usd
	us-gaap	Lease Cost LeaseCost	174000	usd
	us-gaap	Lease Cost LeaseCost	188000	usd
CY2023Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	78000	usd
CY2022Q4	us-gaap	Operating Lease Payments OperatingLeasePayments	155000	usd
CY2023Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y2M12D
CY2022Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y2M12D
CY2023Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0225
CY2022Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0225
CY2022Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	87000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	174000	usd
CY2022Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y1M6D
CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y1M6D
CY2022Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0224
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0224
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8337407	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8226467	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8346839	shares
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	155000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	313000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	317000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	284000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	219000	usd
CY2023Q1	tsbk	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	820000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	2108000	usd
CY2023Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	173000	usd
CY2023Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	1935000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	6663000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	5327000	usd
	us-gaap	Net Income Loss NetIncomeLoss	14169000	usd
	us-gaap	Net Income Loss NetIncomeLoss	10812000	usd
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8220532	shares
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.81
CY2022Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.64
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.72
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.30
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	6663000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	5327000	usd
	us-gaap	Net Income Loss NetIncomeLoss	14169000	usd
	us-gaap	Net Income Loss NetIncomeLoss	10812000	usd
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8220532	shares
CY2022Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8337407	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8226467	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8346839	shares
CY2023Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	83838	shares
CY2022Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	84468	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	85163	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	88697	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8304370	shares
CY2022Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8421875	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8311630	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8435536	shares
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
CY2022Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.63
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.70
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.28
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	421925	shares
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	23.30
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	406815	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	21.62
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	26055	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	19.88
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	27470	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	12.09
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	1000	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	33.40
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	1000	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	27.25
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	4600	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	27.38
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	17170	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	25.91
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	392270	shares
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	23.50
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	363175	shares
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	22.15
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	337000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	443000	usd
CY2023Q1	tsbk	Share Based Compensation Arrangement By Share Based Payment Award Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedNumber	189910	shares
CY2023Q1	tsbk	Share Based Compensation Arrangement By Share Based Payment Award Options Nonvested Aggregate Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedAggregateGrantDateFairValue	1070000.00	usd
CY2023Q1	tsbk	Sharebased Compensation Arrangementby Sharebased Payment Award Options Nonvested Aggregate Intrinsic Value SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsNonvestedAggregateIntrinsicValue	371000	usd
	tsbk	Share Based Compensation Arrangement By Share Based Payment Award Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriod	200	shares
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	1000	usd
CY2022Q1	tsbk	Share Based Compensation Arrangement By Share Based Payment Award Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedNumber	178670	shares
CY2022Q1	tsbk	Share Based Compensation Arrangement By Share Based Payment Award Options Nonvested Aggregate Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedAggregateGrantDateFairValue	847000	usd
	tsbk	Share Based Compensation Arrangement By Share Based Payment Award Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriod	400	shares
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	2000	usd
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1780000	usd
CY2022Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	2170000	usd
CY2023Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	972000	usd
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P5Y
CY2023Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	55688000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	42250000	usd
CY2023Q1	tsbk	Undisbursed Portion Of Construction Loans In Process UndisbursedPortionOfConstructionLoansInProcess	99253000	usd
CY2022Q1	tsbk	Undisbursed Portion Of Construction Loans In Process UndisbursedPortionOfConstructionLoansInProcess	100719000	usd
CY2023Q1	tsbk	Undisbursed Lines Of Credit UndisbursedLinesOfCredit	138711000	usd
CY2022Q1	tsbk	Undisbursed Lines Of Credit UndisbursedLinesOfCredit	120918000	usd
CY2023Q1	tsbk	Commitments To Extend Credit CommitmentsToExtendCredit	41218000	usd
CY2022Q1	tsbk	Commitments To Extend Credit CommitmentsToExtendCredit	34962000	usd
CY2023Q1	us-gaap	Other Commitment OtherCommitment	279182000	usd
CY2022Q1	us-gaap	Other Commitment OtherCommitment	256599000	usd
CY2023Q1	tsbk	Reserve For Unfunded Loan Commitments ReserveForUnfundedLoanCommitments	320000	usd
CY2022Q1	tsbk	Reserve For Unfunded Loan Commitments ReserveForUnfundedLoanCommitments	345000	usd
	tsbk	Employee Severance Compensation Plan Period Following Effective Date Of A Change In Company Control EmployeeSeveranceCompensationPlanPeriodFollowingEffectiveDateOfAChangeInCompanyControl	P12M
	tsbk	Employee Severance Compensation Plan Eligible Payment Maximum Compensation Term EmployeeSeveranceCompensationPlanEligiblePaymentMaximumCompensationTerm	P18M

Files In Submission

Name	View Source	Status
tsbk-20230331_cal.xml	Edgar Link	unprocessable
0000939057-23-000134-index-headers.html	Edgar Link	pending
0000939057-23-000134-index.html	Edgar Link	pending
0000939057-23-000134.txt	Edgar Link	pending
0000939057-23-000134-xbrl.zip	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
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R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
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R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
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R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
tsbk-20230331.htm	Edgar Link	pending
tsbk-20230331.xsd	Edgar Link	pending
tsbk-3312023x10qxex311.htm	Edgar Link	pending
tsbk-3312023x10qxex312.htm	Edgar Link	pending
tsbk-20230331_def.xml	Edgar Link	unprocessable
tsbk-20230331_pre.xml	Edgar Link	unprocessable
tsbk-20230331_lab.xml	Edgar Link	unprocessable
tsbk-20230331_htm.xml	Edgar Link	completed
tsbk-3312023x10qxex32.htm	Edgar Link	pending

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$TSBK
Timberland Bancorp Inc Stock $tsbk

2023 Q2 Form 10-Q Financial Statement

#000093905723000134 Filed on May 09, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TSBK Timberland Bancorp Inc Stock $tsbk

2023 Q2 Form 10-Q Financial Statement

#000093905723000134 Filed on May 09, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TSBK
Timberland Bancorp Inc Stock $tsbk