FAIR VALUE - Non-Recurring Basis - Other (Details) $ in Thousands	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)
Fair Value
Impaired loans, Commercial	$ 538	$ 559
Impaired Loans, Commercial, Valuation Technique [Extensible Enumeration]	pbfs:ValuationTechniqueAppraisalOfCollateralMember	pbfs:ValuationTechniqueAppraisalOfCollateralMember
Impaired Loans, Commercial, Measurement Input [Extensible Enumeration]	pbfs:MeasurementInputLiquidationExpenseMember	pbfs:MeasurementInputLiquidationExpenseMember
Weighted Average
Fair Value
Impaired commercial loan measurement inputs	0.110	0.110