XML 47 R37.htm IDEA: XBRL DOCUMENT
v3.20.2

Note 3 - Available-for-sale Securities - Investment Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Amortized cost, due within 5 years | $ 7,438 | $ 7,823
Amortized cost, due after 5 years through 10 years | 30,588 | 30,226
Amortized cost, due after 10 years | 10,533 | 10,811
Available-for-sale securities, amortized cost | 48,559 | 48,860
Fair value, due within 5 years | 7,576 | 7,961
Fair value, due after 5 years through 10 years | 29,628 | 29,497
Fair value, due after 10 years | 10,619 | 10,859
Fair value, total | 47,823 | 48,317
Available-for-sale securities | 47,823 | 48,317
Corporate Debt Securities [Member] |  |
Amortized cost, due within 5 years | 4,015 | 4,018
Amortized cost, due after 5 years through 10 years | 14,000 | 14,000
Amortized cost, due after 10 years |  |
Available-for-sale securities, amortized cost | 18,015 | 18,018
Fair value, due within 5 years | 4,139 | 4,151
Fair value, due after 5 years through 10 years | 13,111 | 13,162
Fair value, due after 10 years |  |
Fair value, total | 17,250 | 17,313
Available-for-sale securities | 17,250 | 17,313
Subordinated Notes [Member] |  |
Amortized cost, due within 5 years |  |
Amortized cost, due after 5 years through 10 years | 9,033 | 9,022
Amortized cost, due after 10 years |  |
Available-for-sale securities, amortized cost | 9,033 | 9,022
Fair value, due within 5 years |  |
Fair value, due after 5 years through 10 years | 9,013 | 9,204
Fair value, due after 10 years |  |
Fair value, total | 9,013 | 9,204
Available-for-sale securities | 9,013 | 9,204
SBA Loan Pools [Member] |  |
Amortized cost, due within 5 years |  |
Amortized cost, due after 5 years through 10 years | 5,369 | 5,157
Amortized cost, due after 10 years |  |
Available-for-sale securities, amortized cost | 5,369 | 5,157
Fair value, due within 5 years |  |
Fair value, due after 5 years through 10 years | 5,301 | 5,115
Fair value, due after 10 years |  |
Fair value, total | 5,301 | 5,115
Available-for-sale securities | 5,301 | 5,115
US States and Political Subdivisions Debt Securities [Member] |  |
Amortized cost, due within 5 years |  |
Amortized cost, due after 5 years through 10 years | 564 |
Amortized cost, due after 10 years |  |
Available-for-sale securities, amortized cost | 564 |
Fair value, due within 5 years |  |
Fair value, due after 5 years through 10 years | 554 |
Fair value, due after 10 years |  |
Fair value, total | 554 |
Available-for-sale securities | 554 |
Available-for-sale Securities with Single Maturity Dates [Member] |  |
Amortized cost, due within 5 years | 4,015 | 4,018
Amortized cost, due after 5 years through 10 years | 28,966 | 28,179
Amortized cost, due after 10 years |  |
Available-for-sale securities, amortized cost | 32,981 | 32,197
Fair value, due within 5 years | 4,139 | 4,151
Fair value, due after 5 years through 10 years | 27,979 | 27,481
Fair value, due after 10 years |  |
Fair value, total | 32,118 | 31,632
Available-for-sale securities | 32,118 | 31,632
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Amortized cost, due within 5 years | 3,423 | 3,805
Amortized cost, due after 5 years through 10 years | 1,622 | 2,047
Amortized cost, due after 10 years | 10,533 | 10,811
Available-for-sale securities, amortized cost | 15,578 | 16,663
Fair value, due within 5 years | 3,437 | 3,810
Fair value, due after 5 years through 10 years | 1,649 | 2,016
Fair value, due after 10 years | 10,619 | 10,859
Fair value, total | 15,705 | 16,685
Available-for-sale securities | $ 15,705 | $ 16,685

X
- Definition Amount after adjustments of available-for-sale debt securities at cost, maturing in the first fiscal year through the fifth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings less cumulative-effect adjustments, and fair value hedge accounting adjustments. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | pnbk_AvailableforsaleSecuritiesDebtMaturitiesYearOneThroughFiveAmortizedCostBasis
Namespace Prefix: | pnbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of available-for-sale debt securities maturing in the first fiscal year through the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | pnbk_AvailableforsaleSecuritiesDebtMaturitiesYearOneThroughFiveFairValue
Namespace Prefix: | pnbk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121558606&loc=SL82898722-210454 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27198-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27198-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=120252992&loc=SL120269850-112803 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27198-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120252992&loc=SL120269850-112803 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27198-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121558606&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121553693&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=pnbk_SubordinatedNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=pnbk_SBALoanPoolsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=pnbk_AvailableForSaleSecuritiesWithSingleMaturityDatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |