XML 54 R48.htm IDEA: XBRL DOCUMENT
v3.25.2

Fair Value Measurements and Disclosures - Summary of Financial Assets Measured at Fair Value on NonRecurring Basis (Detail) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value Assets Measured On Nonrecurring Basis [Line Items] |  |
Other real estate owned | $ 0 | $ 295
Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Assets Measured On Nonrecurring Basis [Line Items] |  |
Loans Receivable, Fair Value Disclosure | $ 1,838,173 | 1,798,302
Fair Value, Nonrecurring [Member] |  |
Fair Value Assets Measured On Nonrecurring Basis [Line Items] |  |
Other real estate owned |  | 295
Assets, Fair Value Disclosure |  | 16,518
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value Assets Measured On Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure |  | 0
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value Assets Measured On Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure |  | 0
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Assets Measured On Nonrecurring Basis [Line Items] |  |
Other real estate owned |  | 295
Assets, Fair Value Disclosure |  | 16,518
Collateral dependent loan [Member] | Fair Value, Nonrecurring [Member] |  |
Fair Value Assets Measured On Nonrecurring Basis [Line Items] |  |
Loans Receivable, Fair Value Disclosure |  | 16,223
Collateral dependent loan [Member] | Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value Assets Measured On Nonrecurring Basis [Line Items] |  |
Loans Receivable, Fair Value Disclosure |  | 0
Collateral dependent loan [Member] | Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value Assets Measured On Nonrecurring Basis [Line Items] |  |
Loans Receivable, Fair Value Disclosure |  | 0
Collateral dependent loan [Member] | Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value Assets Measured On Nonrecurring Basis [Line Items] |  |
Loans Receivable, Fair Value Disclosure |  | $ 16,223

X
- Definition Fair value assets measured on nonrecurring basis line item. + References No definition available. + Details
Name: | bprn_FairValueAssetsMeasuredOnNonrecurringBasisLineItems
Namespace Prefix: | bprn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of asset recognized for present right to economic benefit. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 + Details
Name: | us-gaap_LoansReceivableFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
Name: | us-gaap_OtherRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bprn_CollateralDependentLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |