XML 74 R64.htm IDEA: XBRL DOCUMENT
v3.25.2

Commitments and Contingencies (Details) | 9 Months Ended
--- | ---
Jun. 30, 2025
Commitments and Contingencies Disclosure [Abstract] |
Employee severance compensation plan, employee minimum service requirement (in years) | 2 years
Employee severance compensation plan, period following effective date of a change in company control (in months) | 12 months
Employee severance compensation plan, eligible payment, maximum compensation term (in months) | 18 months
Employee severance compensation plan, annual compensation multiplier | 2.99
Employee severance compensation plan, period following effective date of change in control for eligible severance benefits | 5 years

X
- Definition Employee Severance Compensation Plan, Annual Compensation Multiplier + References No definition available. + Details
Name: | tsbk_EmployeeSeveranceCompensationPlanAnnualCompensationMultiplier
Namespace Prefix: | tsbk_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Employee Severance Compensation Plan, Eligible Payment, Maximum Compensation Term + References No definition available. + Details
Name: | tsbk_EmployeeSeveranceCompensationPlanEligiblePaymentMaximumCompensationTerm
Namespace Prefix: | tsbk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Employee Severance Compensation Plan, Employee Service Requirement + References No definition available. + Details
Name: | tsbk_EmployeeSeveranceCompensationPlanEmployeeServiceRequirement
Namespace Prefix: | tsbk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Employee Severance Compensation Plan, Period Following Effective Date Of A Change In Company Control + References No definition available. + Details
Name: | tsbk_EmployeeSeveranceCompensationPlanPeriodFollowingEffectiveDateOfAChangeInCompanyControl
Namespace Prefix: | tsbk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Employee Severance Compensation Plan, Period Following Effective Date Of Change In Control For Eligible Severance Benefits + References No definition available. + Details
Name: | tsbk_EmployeeSeveranceCompensationPlanPeriodFollowingEffectiveDateOfChangeInControlForEligibleSeveranceBenefits
Namespace Prefix: | tsbk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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