XML 102 R88.htm IDEA: XBRL DOCUMENT
v3.24.1

Income Taxes - Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Operating Loss Carryforwards [Line Items] |  |  |
Effective income tax rate reconciliation, percent | 25.80% | 20.60% | (1.60%)
Increase (decrease) to taxable income | $ (1,800,000) | $ 1,800,000 |
Valuation allowance change |  |  | $ (1,900,000)
Deferred tax assets, valuation allowance | 0 |  |
Unrecognized tax benefits | 0 | $ 0 |
Domestic Tax Authority | Internal Revenue Service (IRS) |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards, including limitation amount | 15,500,000 |  |
Operating loss carryforwards, limitation amount | 15,500,000 |  |
Operating loss carryforwards | 15,500,000 |  |
Operating loss carryforwards, subject to expiration | 15,500,000 |  |
State and Local Jurisdiction | Department of Revenue Services for the State of Connecticut |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | $ 47,300,000 |  |
Operating loss carryforwards, maximum percentage of taxable income per year allowed to be offset by NOLs | 50.00% |  |

X
- Definition Increase (Decrease) to Taxable Income + References No definition available. + Details
Name: | pnbk_IncreaseDecreaseToTaxableIncome
Namespace Prefix: | pnbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws, which also includes the limitation amount imposed imposed by the Internal Revenue Code. + References No definition available. + Details
Name: | pnbk_OperatingLossCarryforwardsIncludingLimitationAmount
Namespace Prefix: | pnbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of limitation in operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References No definition available. + Details
Name: | pnbk_OperatingLossCarryforwardsLimitationAmount
Namespace Prefix: | pnbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The maximum percentage by which taxable income is allowed to offset by operating loss carryforwards (NOLs) in any year. + References No definition available. + Details
Name: | pnbk_OperatingLossCarryforwardsMaximumPercentageOfTaxableIncomePerYearAllowedToBeOffsetByNOLs
Namespace Prefix: | pnbk_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of operating loss carryforward subject to expiration, before tax effects, available to reduce future taxable income under enacted tax laws. + References No definition available. + Details
Name: | pnbk_OperatingLossCarryforwardsSubjectToExpiration
Namespace Prefix: | pnbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
Name: | us-gaap_EffectiveIncomeTaxRateContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-3 + Details
Name: | us-gaap_OperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10B -Publisher FASB -URI https://asc.fasb.org//1943274/2147482525/740-10-45-10B + Details
Name: | us-gaap_UnrecognizedTaxBenefits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
Name: | us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=us-gaap_InternalRevenueServiceIRSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=pnbk_DepartmentOfRevenueServicesForTheStateOfConnecticutMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |