XML 61 R50.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Loans (Narrative) (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017 | Jul. 01, 2018
Financing Receivable, Recorded Investment [Line Items] |  |  |  |  |  |
Business Combination, Acquired Receivable, Fair Value | $ 272,800,000 |  | $ 272,800,000 |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount | 277,900,000 |  | 277,900,000 |  |  | $ 277,900,000
Loans and Leases Receivable, Deferred Income | 12,400,000 |  | 12,400,000 |  | $ 12,200,000 |
Goodwill, Purchase Accounting Adjustments |  |  | 5,100,000 |  |  |
Troubled Debt Restructuring, Classification removed | 200,000 |  | 2,400,000 | $ 0 |  |
Partial Charge-Offs On Impaired Loans |  |  | 11,069,000 |  | 10,040,000 |
Impaired Financing Receivable, Related Allowance | 1,846,000 |  | 1,846,000 |  | 684,000 |
Recorded investment, related to loans | 5,200,000 |  | 5,200,000 |  | 3,500,000 |
Troubled Debt Restructuring Included In Nonaccrual Loans | 25,200,000 |  | 25,200,000 |  | 38,500,000 |
TDRs included in accruing loan totals | 14,700,000 |  | 14,700,000 |  | 20,200,000 |
Nonaccrual Trouble Debt Restructuring Current | 19,400,000 |  | 19,400,000 |  | 32,400,000 |
Commitments to lend additional funds to borrowers whose terms had been modified in a TDR | 200,000 |  | 200,000 |  | 1,300,000 |
Specific reserves related to troubled debt restructuring | 900,000 |  | 900,000 |  | 500,000 |
Additional Specific Reserves Related To Troubled Debt Restructuring | 150,000 | $ 0 | 160,000 | 290,000 |  |
Financing Receivable, Modifications, Recorded Investment, During Period | 3,704,000 | 4,938,000 | 6,566,000 | 10,765,000 |  |
Loan Modifications on Nonacrrual status | 100,000 | 500,000 | $ 500,000 | 3,000,000 |  |
Loan past due period before entering default status |  |  | 30 days |  |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period | 1,112,000 | 825,000 | $ 1,290,000 | 1,088,000 |  |
Deposit Liabilities Reclassified as Loans Receivable | 1,100,000 |  | 1,100,000 |  | 1,900,000 |
Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |  |  |
Partial Charge-Offs On Impaired Loans |  |  | 8,900,000 |  | 7,900,000 |
Financing Receivable With A Related Allowance Recorded [Member] |  |  |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |  |  |
Partial Charge-Offs On Impaired Loans |  |  | 2,100,000 |  |  |
Commercial Real Estate [Member] |  |  |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |  |  |
Financing Receivable, Modifications, Recorded Investment, During Period | 1,154,000 | 1,455,000 | 1,859,000 | 2,320,000 |  |
Commercial Real Estate [Member] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |  |  |
Impaired Financing Receivable, Related Allowance | 0 |  | 0 |  | 0 |
Commercial Real Estate [Member] | Financing Receivable With A Related Allowance Recorded [Member] |  |  |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |  |  |
Impaired Financing Receivable, Related Allowance | 71,000 |  | 71,000 |  | $ 2,000 |
Accruing [Member] |  |  |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |  |  |
Financing Receivable, Modifications, Recorded Investment, During Period | 897,000 | 2,061,000 | 2,043,000 | 3,608,000 |  |
Loans modified during period | 67,000 |  | 67,000 | 2,000 |  |
Accruing [Member] | Commercial Real Estate [Member] |  |  |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |  |  |
Financing Receivable, Modifications, Recorded Investment, During Period |  | 974,000 | 447,000 | 1,525,000 |  |
Nonaccrual [Member] |  |  |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |  |  |
Financing Receivable, Modifications, Recorded Investment, During Period | 2,807,000 | 2,877,000 | 4,523,000 | 7,157,000 |  |
Loans modified during period | 1,000,000 |  | 1,200,000 | 1,100,000 |  |
Nonaccrual [Member] | Commercial Real Estate [Member] |  |  |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |  |  |
Financing Receivable, Modifications, Recorded Investment, During Period | 1,154,000 | 481,000 | 1,412,000 | 795,000 |  |
Consumer [Member] |  |  |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |  |  |
Financing Receivable, Modifications, Recorded Investment, During Period | 6,600,000 | 3,100,000 | 17,000,000 | 6,700,000 |  |
Commercial Portfolio Segment [Member] |  |  |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |  |  |
Financing Receivable, Modifications, Recorded Investment, During Period | 0 | $ 918,000 | 200,000 | $ 1,000,000 |  |
Financial Asset Acquired with Credit Deterioration [Member] |  |  |  |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |  |  |  |
Business Combination, Acquired Receivable, Fair Value | 4,500,000 |  | 4,500,000 |  |  | 4,900,000
Business Combination, Acquired Receivables, Gross Contractual Amount | $ 4,700,000 |  | $ 4,700,000 |  |  | $ 5,100,000

X
- Definition Additional Specific Reserves Related To Troubled Debt Restructuring + References No definition available. + Details
Name: | prk_AdditionalSpecificReservesRelatedToTroubledDebtRestructuring
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Loan Past Due Period Before Entering Default Status + References No definition available. + Details
Name: | prk_FinancingReceivableLoanPastDuePeriodBeforeEnteringDefaultStatus
Namespace Prefix: | prk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Receivable, Modifications, Aggregate Amount of Loans Modified During Period + References No definition available. + Details
Name: | prk_FinancingReceivableModificationsAggregateAmountOfLoansModifiedDuringPeriod
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Financing Receivable, Modifications, Recorded Investment, During Period + References No definition available. + Details
Name: | prk_FinancingReceivableModificationsRecordedInvestmentDuringPeriod
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Modifications, Recorded Investment, Nonaccrual at Prior Fiscal Year End + References No definition available. + Details
Name: | prk_FinancingReceivableModificationsRecordedInvestmentNonaccrualAtPriorFiscalYearEnd
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period + References No definition available. + Details
Name: | prk_FinancingReceivableModificationsSubsequentDefaultRecordedInvestmentDuringPeriod
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Impaired Financing Receivable Recorded Investment Loans With Specific Reserve + References No definition available. + Details
Name: | prk_ImpairedFinancingReceivableRecordedInvestmentLoansWithSpecificReserve
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Nonaccrual TDRs considered current + References No definition available. + Details
Name: | prk_NonaccrualTroubleDebtRestructuringCurrent
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Partial Charge-Offs On Impaired Loans + References No definition available. + Details
Name: | prk_PartialChargeOffsOnImpairedLoans
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Specific Reserves Related To Troubled Debt Restructuring + References No definition available. + Details
Name: | prk_SpecificReservesRelatedToTroubledDebtRestructuring
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Troubled Debt Restructuring, Classification removed + References No definition available. + Details
Name: | prk_TroubledDebtRestructuringClassificationremoved
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Troubled Debt Restructuring Commitment To Lend + References No definition available. + Details
Name: | prk_TroubledDebtRestructuringCommitmentToLend
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Troubled debt restructuring included in accruing loans. + References No definition available. + Details
Name: | prk_TroubledDebtRestructuringIncludedInAccruingLoans
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Troubled debt restructuring included in nonaccrual loans. + References No definition available. + Details
Name: | prk_TroubledDebtRestructuringIncludedInNonaccrualLoans
Namespace Prefix: | prk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of acquired receivable from business combination, excluding certain loans and debt securities acquired in transfer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationAcquiredReceivablesFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the gross contractual amounts receivable, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationAcquiredReceivablesGrossContractualAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of deposits held by the entity that have been reclassified as loan balances receivable, for example, but not limited to, overdrafts receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=50488274&loc=d3e64164-112818 + Details
Name: | us-gaap_DepositLiabilitiesReclassifiedAsLoansReceivable1
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_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e961-128460 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillPurchaseAccountingAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=84165051&loc=d3e45377-112738 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159169&loc=d3e10152-111534 + Details
Name: | us-gaap_LoansAndLeasesReceivableDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis=prk_FinancingReceivableWithNoRelatedAllowanceRecordedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis=prk_FinancingReceivableWithRelatedAllowanceRecordedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis=prk_AccruingFinancingReceivableModificationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | prk_TroubledDebtRestructuringRecordedInvestmentTypeAxis=prk_NonaccruingFinancingReceivableModificationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |