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EMPLOYEE BENEFIT PLANS - Post-Retirement Healthcare Plan (Details) - Post-retirement benefit plan $ in Thousands | 6 Months Ended
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Dec. 31, 2022 USD ($)
Employee Benefit Plans |
Threshold age for eligibility for retiree medical coverage | 60 years
Minimum year of service for eligibility for retiree medical coverage | 25 years
Minimum year of service required for eligibility for individual and spousal coverage | 30 years
Monthly premium for individual coverage | $ 210
Monthly premium for employee and spousal coverage | $ 420

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- Definition Represents the employer contribution for monthly premium for employee and spousal coverage. + References No definition available. + Details
Name: | pbfs_EmployerContributionMonthlyPremiumEmployeeAndSpousalCoverage
Namespace Prefix: | pbfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the employer contribution for monthly premium for individual coverage. + References No definition available. + Details
Name: | pbfs_EmployerContributionMonthlyPremiumIndividualCoverage
Namespace Prefix: | pbfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the minimum year of service required for eligibility for individual and spousal coverage. + References No definition available. + Details
Name: | pbfs_MinimumYearOfServiceForEligibilityForIndividualAndSpousalCoverage
Namespace Prefix: | pbfs_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the minimum number of year of service for eligibility for retiree medical coverage. + References No definition available. + Details
Name: | pbfs_MinimumYearOfServiceForEligibilityForRetireeMedicalCoverage
Namespace Prefix: | pbfs_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the threshold age for eligibility for retiree medical coverage. + References No definition available. + Details
Name: | pbfs_ThresholdAgeForEligibilityForRetireeMedicalCoverage
Namespace Prefix: | pbfs_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- 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_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |