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NET LOANS RECEIVABLE - Loan Modifications (Details) $ in Millions | Dec. 31, 2020 USD ($) loan
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NET LOANS RECEIVABLE |
Number of consumer loans in which Company granted payment deferral requests | loan | 9
Amount of consumer loans in which Company granted payment deferral requests | $ | $ 2.6
Number of commercial loans in which Company granted payment deferral requests | loan | 24
Amount of commercial loans in which Company granted payment deferral requests | $ | $ 40.6

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- Definition The amount of commercial loans in which the Company granted payment deferral requests. + References No definition available. + Details
Name: | pbfs_CommercialLoansAmountPaymentDeferralRequestGranted
Namespace Prefix: | pbfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of commercial loans in which the Company granted payment deferral requests. + References No definition available. + Details
Name: | pbfs_CommercialLoansNumberPaymentDeferralRequestGranted
Namespace Prefix: | pbfs_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of consumer loans in which the Company granted payment deferral requests. + References No definition available. + Details
Name: | pbfs_ConsumerLoansAmountPaymentDeferralRequestGranted
Namespace Prefix: | pbfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of consumer loans in which the Company granted payment deferral requests. + References No definition available. + Details
Name: | pbfs_ConsumerLoansNumberPaymentDeferralRequestGranted
Namespace Prefix: | pbfs_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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