$PRK
Park National Corp Stock $prk

$prk Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000080567622000034 Filed on February 24, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue		$345.9M	$91.80M
YoY Change		-3.32%	-0.03%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$3.300M	$13.27M	$2.900M
YoY Change	13.79%	22.68%	20.83%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$15.96M	$5.479M
YoY Change		-46.96%	-63.03%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$45.10M	$188.2M	$55.48M
YoY Change	-18.7%	21.72%	83.6%
Income Tax	$8.600M	$34.29M	$10.30M
% Of Pretax Income	19.07%	18.22%	18.57%
Net Earnings	$36.50M	$153.9M	$45.20M
YoY Change	-19.25%	20.34%	88.84%
Net Earnings / Revenue		44.51%	49.24%
Basic Earnings Per Share		$9.45	$2.77
Diluted Earnings Per Share	$2.226M	$9.37	$2.75
COMMON SHARES
Basic Shares Outstanding	16.22M shares	16.29M shares	16.31B shares
Diluted Shares Outstanding		16.43M shares	16.43B shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.973B		$1.430B
YoY Change	38.01%		4.39%
Cash & Equivalents	$219.2M		$370.5M
Short-Term Investments	$1.754B		$1.059B
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses	$144.1M		$103.5M
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$89.01M	$102.5M	$88.66M
YoY Change	0.39%	-1.16%	20.92%
Goodwill	$159.6M		$159.6M
YoY Change	0.0%		0.0%
Intangibles	$7.462M		$9.260M
YoY Change	-19.42%		-19.64%
Long-Term Investments	$33.00M	$33.20M
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$9.560B	$9.560B	$9.279B
YoY Change	3.03%	3.03%	8.42%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$3.000M	$3.100M	$4.000M
YoY Change	-25.0%	-20.51%	33.33%
Accrued Expenses	$14.00M	$14.30M	$16.00M
YoY Change	-12.5%	-11.18%	14.29%
Deferred Revenue
YoY Change
Short-Term Debt	$238.8M	$213.8M	$342.2M
YoY Change	-30.23%	-32.6%	48.37%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$17.00M	$17.40M	$20.00M
YoY Change	-15.0%	-13.0%	17.65%
LONG-TERM LIABILITIES
Long-Term Debt	$188.0M	$188.2M	$188.0M
YoY Change	0.0%	0.21%	1153.33%
Other Long-Term Liabilities	$101.0M	$100.5M	$84.00M
YoY Change	20.24%	19.64%	3.7%
Total Long-Term Liabilities	$289.0M	$288.7M	$272.0M
YoY Change	6.25%	6.22%	183.33%
TOTAL LIABILITIES
Total Short-Term Liabilities	$17.00M	$17.40M	$20.00M
Total Long-Term Liabilities	$289.0M	$288.7M	$272.0M
Total Liabilities	$8.449B	$8.450B	$8.239B
YoY Change	2.56%	2.56%	8.56%
SHAREHOLDERS EQUITY
Retained Earnings	$776.3M		$704.8M
YoY Change	10.15%		8.95%
Common Stock	$461.8M		$460.7M
YoY Change	0.24%		0.28%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$142.5M		$130.8M
YoY Change	8.97%		2.45%
Treasury Stock Shares	1.404M shares		1.309M shares
Shareholders Equity	$1.111B	$1.111B	$1.040B
YoY Change
Total Liabilities & Shareholders Equity	$9.560B	$9.560B	$9.279B
YoY Change	3.03%	3.03%	8.42%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$36.50M	$153.9M	$45.20M
YoY Change	-19.25%	20.34%	88.84%
Depreciation, Depletion And Amortization	$3.300M	$13.27M	$2.900M
YoY Change	13.79%	22.68%	20.83%
Cash From Operating Activities	$44.70M	$157.3M	$59.20M
YoY Change	-24.49%	40.92%	57.45%
INVESTING ACTIVITIES
Capital Expenditures	-$3.400M	$14.09M	-$7.800M
YoY Change	-56.41%	-50.78%	136.36%
Acquisitions		$0.00
YoY Change
Other Investing Activities	-$222.4M	-$398.0M	$83.70M
YoY Change	-365.71%	-6.86%	-253.86%
Cash From Investing Activities	-$225.9M	-$412.1M	$75.90M
YoY Change	-397.63%	-9.6%	-231.77%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$16.05M
YoY Change		113.77%
Debt Paid & Issued, Net		$32.50M
YoY Change		-80.94%
Cash From Financing Activities	-477.0M	$103.5M	-11.30M
YoY Change	4121.24%	-81.34%	-94.14%
NET CHANGE
Cash From Operating Activities	44.70M	$157.3M	59.20M
Cash From Investing Activities	-225.9M	-$412.1M	75.90M
Cash From Financing Activities	-477.0M	$103.5M	-11.30M
Net Change In Cash	-658.2M	-$151.3M	123.8M
YoY Change	-631.66%	-171.87%	-158.18%
FREE CASH FLOW
Cash From Operating Activities	$44.70M	$157.3M	$59.20M
Capital Expenditures	-$3.400M	$14.09M	-$7.800M
Free Cash Flow	$48.10M	$143.2M	$67.00M
YoY Change	-28.21%	72.55%	63.81%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000805676
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	1-13006
CY2021	dei	Entity Registrant Name EntityRegistrantName	PARK NATIONAL CORPORATION
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	OH
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	31-1179518
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	50 North Third Street,
CY2021	dei	Entity Address Address Line2 EntityAddressAddressLine2	P.O. Box 3500
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Newark,
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	OH
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	43058-3500
CY2021	dei	City Area Code CityAreaCode	(740)
CY2021	dei	Local Phone Number LocalPhoneNumber	349-8451
CY2021	dei	Security12b Title Security12bTitle	Common Shares, without par value
CY2021	dei	Trading Symbol TradingSymbol	PRK
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSEAMER
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Public Float EntityPublicFloat	1869456331	USD
CY2022Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	16219554	shares
CY2021	dei	Auditor Name AuditorName	Crowe LLP
CY2021	dei	Auditor Location AuditorLocation	Columbus, OH
CY2021	dei	Auditor Firm AuditorFirmId	173
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CY2021Q4	us-gaap	Other Investments And Securities At Cost OtherInvestmentsAndSecuritiesAtCost	61268000	USD
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CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	14339000	USD
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CY2021Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	4282000	USD
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CY2019	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-222000	USD
CY2021	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	USD
CY2020	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	3286000	USD
CY2019	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-421000	USD
CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	5011000	USD
CY2020	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	2182000	USD
CY2019	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	5118000	USD
CY2021	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-8152000	USD
CY2020	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-7952000	USD
CY2019	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-4732000	USD
CY2021	us-gaap	Noninterest Income Other NoninterestIncomeOther	10551000	USD
CY2020	us-gaap	Noninterest Income Other NoninterestIncomeOther	7386000	USD
CY2019	us-gaap	Noninterest Income Other NoninterestIncomeOther	7248000	USD
CY2021	us-gaap	Noninterest Income NoninterestIncome	129944000	USD
CY2020	us-gaap	Noninterest Income NoninterestIncome	125664000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	97193000	USD
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	125585000	USD
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	128040000	USD
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	119514000	USD
CY2021	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	41603000	USD
CY2020	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	37115000	USD
CY2019	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	36806000	USD
CY2021	us-gaap	Occupancy Net OccupancyNet	13039000	USD
CY2020	us-gaap	Occupancy Net OccupancyNet	13802000	USD
CY2019	us-gaap	Occupancy Net OccupancyNet	12815000	USD
CY2021	us-gaap	Equipment Expense EquipmentExpense	10887000	USD
CY2020	us-gaap	Equipment Expense EquipmentExpense	18805000	USD
CY2019	us-gaap	Equipment Expense EquipmentExpense	17032000	USD
CY2021	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	30539000	USD
CY2020	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	11659000	USD
CY2019	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	10750000	USD
CY2021	us-gaap	Professional Fees ProfessionalFees	27450000	USD
CY2020	us-gaap	Professional Fees ProfessionalFees	31303000	USD
CY2019	us-gaap	Professional Fees ProfessionalFees	33317000	USD
CY2021	us-gaap	Marketing Expense MarketingExpense	6073000	USD
CY2020	us-gaap	Marketing Expense MarketingExpense	5828000	USD
CY2019	us-gaap	Marketing Expense MarketingExpense	5753000	USD
CY2021	us-gaap	General Insurance Expense GeneralInsuranceExpense	5917000	USD
CY2020	us-gaap	General Insurance Expense GeneralInsuranceExpense	6423000	USD
CY2019	us-gaap	General Insurance Expense GeneralInsuranceExpense	3130000	USD
CY2021	us-gaap	Communication Communication	3539000	USD
CY2020	us-gaap	Communication Communication	4084000	USD
CY2019	us-gaap	Communication Communication	5351000	USD
CY2021	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	4255000	USD
CY2020	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	3991000	USD
CY2019	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	3829000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1798000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2263000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2355000	USD
CY2021	prk	Fhlb Prepayment Penalty FHLBPrepaymentPenalty	0	USD
CY2020	prk	Fhlb Prepayment Penalty FHLBPrepaymentPenalty	10529000	USD
CY2019	prk	Fhlb Prepayment Penalty FHLBPrepaymentPenalty	612000	USD
CY2021	prk	Foundation Contribution Expense FoundationContributionExpense	4000000	USD
CY2020	prk	Foundation Contribution Expense FoundationContributionExpense	3000000	USD
CY2019	prk	Foundation Contribution Expense FoundationContributionExpense	1500000	USD
CY2021	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	8833000	USD
CY2020	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	9753000	USD
CY2019	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	11224000	USD
CY2021	us-gaap	Noninterest Expense NoninterestExpense	283518000	USD
CY2020	us-gaap	Noninterest Expense NoninterestExpense	286595000	USD
CY2019	us-gaap	Noninterest Expense NoninterestExpense	263988000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	188235000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	154645000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	124771000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34290000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	26722000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22071000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	153945000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	127923000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	102700000	USD
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	9.45
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.85
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.33
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	9.37
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.80
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.29
CY2021	us-gaap	Net Income Loss NetIncomeLoss	153945000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	127923000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	102700000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	466000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	247000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	395000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	1754000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	928000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	1487000	USD
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	7144000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-2306000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	402000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	-26875000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	8675000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	-1511000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-28629000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	7747000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2998000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-690000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	88000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	2596000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-333000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	19095000	USD
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-5193000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	6844000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	4845000	USD
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-19537000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	25747000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	18227000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-19537000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	23151000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	37655000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	131000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-65000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-121000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	492000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-244000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-454000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	492000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-244000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-454000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	9584000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	15160000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	40199000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	163529000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	143083000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	142899000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	4.24
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	4.28
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	4.52
CY2021	us-gaap	Net Income Loss NetIncomeLoss	153945000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	127923000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	102700000	USD
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-11916000	USD
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	12054000	USD
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	6171000	USD
CY2021	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	25185000	USD
CY2020	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	21598000	USD
CY2019	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	6826000	USD
CY2021	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-1519000	USD
CY2020	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-2403000	USD
CY2019	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-3373000	USD
CY2021	us-gaap	Depreciation Depreciation	13267000	USD
CY2020	us-gaap	Depreciation Depreciation	10814000	USD
CY2019	us-gaap	Depreciation Depreciation	9119000	USD
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2174000	USD
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1362000	USD
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1455000	USD
CY2021	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
CY2020	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	10529000	USD
CY2019	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	612000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3131000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4525000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-844000	USD
CY2021	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	0	USD
CY2020	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	3286000	USD
CY2019	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-421000	USD
CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	5011000	USD
CY2020	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	2182000	USD
CY2019	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	5118000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	8021000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	7272000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	6324000	USD
CY2021	prk	Payments For Loan Originations Loans To Be Sold In Secondary Market PaymentsForLoanOriginationsLoansToBeSoldInSecondaryMarket	569080000	USD
CY2020	prk	Payments For Loan Originations Loans To Be Sold In Secondary Market PaymentsForLoanOriginationsLoansToBeSoldInSecondaryMarket	1026346000	USD
CY2019	prk	Payments For Loan Originations Loans To Be Sold In Secondary Market PaymentsForLoanOriginationsLoansToBeSoldInSecondaryMarket	338437000	USD
CY2021	prk	Proceeds From Loan Sales ProceedsFromLoanSales	609377000	USD
CY2020	prk	Proceeds From Loan Sales ProceedsFromLoanSales	1031227000	USD
CY2019	prk	Proceeds From Loan Sales ProceedsFromLoanSales	340637000	USD
CY2021	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-4000	USD
CY2020	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	1207000	USD
CY2019	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-222000	USD
CY2021	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4897000	USD
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4789000	USD
CY2019	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4557000	USD
CY2021	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	7313000	USD
CY2020	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	7046000	USD
CY2019	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	6927000	USD
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-12342000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-9216000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-12530000	USD
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-7939000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-6302000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-3781000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	157332000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	111646000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	111626000	USD
CY2021	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-8677000	USD
CY2020	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-7970000	USD
CY2019	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-14675000	USD
CY2021	prk	Proceedsfrom Saleof Debt Securities ProceedsfromSaleofDebtSecurities	934000	USD
CY2020	prk	Proceedsfrom Saleof Debt Securities ProceedsfromSaleofDebtSecurities	312160000	USD
CY2019	prk	Proceedsfrom Saleof Debt Securities ProceedsfromSaleofDebtSecurities	91110000	USD
CY2021	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	0	USD
CY2020	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	0	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	475000	USD
CY2021	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	232197000	USD
CY2020	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	223728000	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	195989000	USD
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	953900000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	354299000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	0	USD
CY2021	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	0	USD
CY2020	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	3567000	USD
CY2019	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	100000	USD
CY2021	us-gaap	Payments For Proceeds From Federal Reserve Bank Stock PaymentsForProceedsFromFederalReserveBankStock	0	USD
CY2020	us-gaap	Payments For Proceeds From Federal Reserve Bank Stock PaymentsForProceedsFromFederalReserveBankStock	0	USD
CY2019	us-gaap	Payments For Proceeds From Federal Reserve Bank Stock PaymentsForProceedsFromFederalReserveBankStock	6428000	USD
CY2021	us-gaap	Increase Decrease In Equity Securities Fv Ni IncreaseDecreaseInEquitySecuritiesFvNi	-2597000	USD
CY2020	us-gaap	Increase Decrease In Equity Securities Fv Ni IncreaseDecreaseInEquitySecuritiesFvNi	-2120000	USD
CY2019	us-gaap	Increase Decrease In Equity Securities Fv Ni IncreaseDecreaseInEquitySecuritiesFvNi	-6429000	USD
CY2021	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-312187000	USD
CY2020	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	620200000	USD
CY2019	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	216353000	USD
CY2021	us-gaap	Proceeds From Sale Of Other Loans Held For Sale ProceedsFromSaleOfOtherLoansHeldForSale	3718000	USD
CY2020	us-gaap	Proceeds From Sale Of Other Loans Held For Sale ProceedsFromSaleOfOtherLoansHeldForSale	4400000	USD
CY2019	us-gaap	Proceeds From Sale Of Other Loans Held For Sale ProceedsFromSaleOfOtherLoansHeldForSale	0	USD
CY2021	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	758000	USD
CY2020	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	5654000	USD
CY2019	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	1465000	USD
CY2021	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	5598000	USD
CY2020	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	1360000	USD
CY2019	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	1571000	USD
CY2021	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	0	USD
CY2020	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	0	USD
CY2019	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	3000000	USD
CY2021	us-gaap	Payments For Affordable Housing Programs PaymentsForAffordableHousingPrograms	10814000	USD
CY2020	us-gaap	Payments For Affordable Housing Programs PaymentsForAffordableHousingPrograms	6596000	USD
CY2019	us-gaap	Payments For Affordable Housing Programs PaymentsForAffordableHousingPrograms	6038000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	14093000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	28632000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	14885000	USD
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	4831000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-412141000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-455902000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	60079000	USD
CY2021	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	605168000	USD
CY2020	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	1230073000	USD
CY2019	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	159696000	USD
CY2021	prk	Increase Decrease In One Way Sell Deposits IncreaseDecreaseInOneWaySellDeposits	272952000	USD
CY2020	prk	Increase Decrease In One Way Sell Deposits IncreaseDecreaseInOneWaySellDeposits	710101000	USD
CY2019	prk	Increase Decrease In One Way Sell Deposits IncreaseDecreaseInOneWaySellDeposits	0	USD
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-103444000	USD
CY2020	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	111573000	USD
CY2019	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-20072000	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	50000000	USD
CY2021	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	172620000	USD
CY2019	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	0	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	32500000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	170529000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	258112000	USD
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2403000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1002000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	827000	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	16048000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	7507000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	40535000	USD
CY2021	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	74306000	USD
CY2020	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	70353000	USD
CY2019	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	69113000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	103515000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	554774000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-178963000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-151294000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	210518000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-7258000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	370474000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	159956000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	167214000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	219180000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	370474000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	159956000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	16704000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	29157000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	63038000	USD
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	25505000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	24260000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	15186000	USD
CY2021	us-gaap	Held To Maturity Securities Transferred Security Unrealized Gain Loss HeldToMaturitySecuritiesTransferredSecurityUnrealizedGainLoss	0	USD
CY2020	us-gaap	Held To Maturity Securities Transferred Security Unrealized Gain Loss HeldToMaturitySecuritiesTransferredSecurityUnrealizedGainLoss	0	USD
CY2019	us-gaap	Held To Maturity Securities Transferred Security Unrealized Gain Loss HeldToMaturitySecuritiesTransferredSecurityUnrealizedGainLoss	349773000	USD
CY2021	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	150000	USD
CY2020	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	1790000	USD
CY2019	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	1671000	USD
CY2021	us-gaap	Other Significant Noncash Transaction Value Of Consideration Received1 OtherSignificantNoncashTransactionValueOfConsiderationReceived1	1190000	USD
CY2020	us-gaap	Other Significant Noncash Transaction Value Of Consideration Received1 OtherSignificantNoncashTransactionValueOfConsiderationReceived1	7821000	USD
CY2019	us-gaap	Other Significant Noncash Transaction Value Of Consideration Received1 OtherSignificantNoncashTransactionValueOfConsiderationReceived1	11475000	USD
CY2021	us-gaap	Affordable Housing Program Obligation Period Increase Decrease AffordableHousingProgramObligationPeriodIncreaseDecrease	10000000	USD
CY2020	us-gaap	Affordable Housing Program Obligation Period Increase Decrease AffordableHousingProgramObligationPeriodIncreaseDecrease	10000000	USD
CY2019	us-gaap	Affordable Housing Program Obligation Period Increase Decrease AffordableHousingProgramObligationPeriodIncreaseDecrease	10000000	USD
CY2021	us-gaap	Transfer To Investments TransferToInvestments	3000000	USD
CY2020	us-gaap	Transfer To Investments TransferToInvestments	0	USD
CY2020	us-gaap	Transfer To Investments TransferToInvestments	0	USD
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America ("U.S. GAAP") requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ from those estimates.</span></div>The COVID-19 pandemic has caused significant, unprecedented disruption around the world that has affected daily living and negatively impacted the global economy. The effects of the COVID-19 pandemic may meaningfully impact significant estimates such as the allowance for credit losses, goodwill, mortgage servicing rights, and pension plan obligations and related expenses. Additionally, the COVID-19 pandemic may particularly impact certain loan concentrations in the hotel and accommodations, restaurant and food service, and strip shopping center industries.
CY2021	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Concentration of Credit Risk</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Park's commercial loan portfolio includes loans to a wide variety of corporations and businesses across many industrial classifications in the 26 Ohio counties, three North Carolina counties, four South Carolina counties and one Kentucky county where PNB operates, with the exception of nationwide aircraft loans and nationwide asset-based lending to consumer finance companies. The primary industries represented by these customers include real estate rental and leasing, finance and insurance, construction, health care and social assistance, accommodation and food services, manufacturing, other services, retail trade, and agriculture, forestry, fishing and hunting.</span></div>
CY2021Q4	us-gaap	Other Foreclosed Assets OtherForeclosedAssets	3300000	USD
CY2020Q4	us-gaap	Other Foreclosed Assets OtherForeclosedAssets	3600000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	7177785000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	85675000	USD
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	116000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	2892000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1040256000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1727363000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	36291000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	9514000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1754140000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1007834000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	52235000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	728000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1059341000	USD
CY2019	us-gaap	Debt Securities Held To Maturity Transfer Amount DebtSecuritiesHeldToMaturityTransferAmount	373900000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	19100000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	767401000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	6422000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	73431000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	3092000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	840832000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	9514000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	86393000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	695000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	4727000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	33000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	91120000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	728000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1800000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	840800000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	9500000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	840800000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	73400000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2019	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2020	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2021	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2021Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities Pledged PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged	396300000	USD
CY2021Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Repurchase Agreements PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreements	327900000	USD
CY2021Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Federal Home Loan Bank PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForFederalHomeLoanBank	9500000	USD
CY2020Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities Pledged PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged	328600000	USD
CY2020Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Repurchase Agreements PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreements	348600000	USD
CY2020Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Federal Home Loan Bank PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForFederalHomeLoanBank	13900000	USD
CY2021Q4	us-gaap	Repurchase Agreement Counterparty Amount At Risk RepurchaseAgreementCounterpartyAmountAtRisk	0	USD
CY2021	prk	Percentage Of Amount Greater Than Shareholders Equity PercentageOfAmountGreaterThanShareholdersEquity	0.10
CY2021	prk	Debt Securities Available For Sale Sold At Gain Amortized Cost Amount DebtSecuritiesAvailableForSaleSoldAtGainAmortizedCostAmount	0	USD
CY2020	prk	Debt Securities Available For Sale Sold At Loss Amortized Cost Amount DebtSecuritiesAvailableForSaleSoldAtLossAmortizedCostAmount	112500000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	64000	USD
CY2020	prk	Debt Securities Available For Sale Sold At Gain Amortized Cost Amount DebtSecuritiesAvailableForSaleSoldAtGainAmortizedCostAmount	196400000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	3400000	USD
CY2019	prk	Debt Securities Available For Sale Sold At Loss Amortized Cost Amount DebtSecuritiesAvailableForSaleSoldAtLossAmortizedCostAmount	62400000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	700000	USD
CY2019	prk	Debt Securities Available For Sale Sold At Gain Amortized Cost Amount DebtSecuritiesAvailableForSaleSoldAtGainAmortizedCostAmount	29100000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	271000	USD
CY2021Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	13413000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	22090000	USD
CY2021Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	14653000	USD
CY2020Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	14653000	USD
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	2129000	USD
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	2511000	USD
CY2021Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	4689000	USD
CY2020Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	4689000	USD
CY2021Q4	us-gaap	Alternative Investment AlternativeInvestment	26384000	USD
CY2020Q4	us-gaap	Alternative Investment AlternativeInvestment	21522000	USD
CY2021Q4	us-gaap	Other Investments And Securities At Cost OtherInvestmentsAndSecuritiesAtCost	61268000	USD
CY2020Q4	us-gaap	Other Investments And Securities At Cost OtherInvestmentsAndSecuritiesAtCost	65465000	USD
CY2021	prk	Equityinvestmentsharessold Equityinvestmentsharessold	86770	shares
CY2021	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	8700000	USD
CY2020	prk	Equityinvestmentpurchasedshares Equityinvestmentpurchasedshares	0	shares
CY2020	prk	Equityinvestmentsharessold Equityinvestmentsharessold	79697	shares
CY2020	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	8000000	USD
CY2020	prk	Equityinvestmentpurchasedshares Equityinvestmentpurchasedshares	0	shares
CY2019	prk	Equityinvestmentsharessold Equityinvestmentsharessold	133281	shares
CY2019	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	13300000	USD
CY2019	prk	Equityinvestmentpurchasedshares Equityinvestmentpurchasedshares	128553	shares
CY2019	us-gaap	Payments To Acquire Federal Reserve Stock PaymentsToAcquireFederalReserveStock	6400000	USD
CY2021	prk	Alternative Investmentincomerecognized AlternativeInvestmentincomerecognized	4500000	USD
CY2020	prk	Alternative Investmentincomerecognized AlternativeInvestmentincomerecognized	2400000	USD
CY2019	prk	Alternative Investmentincomerecognized AlternativeInvestmentincomerecognized	4800000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	6871122000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	7177785000	USD
CY2020Q4	us-gaap	Interest Receivable InterestReceivable	20653000	USD
CY2020Q4	prk	Loans And Leases Receivable Recorded Investment LoansAndLeasesReceivableRecordedInvestment	7198438000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	83197000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	85675000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	6787925000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	7092110000	USD
CY2020	prk	Ppp Loans Originated PPPLoansOriginated	331600000	USD
CY2020	prk	Sbappp Fees Received SBAPPPFeesReceived	20200000	USD
CY2021	prk	Sbappp Fees Received SBAPPPFeesReceived	12900000	USD
CY2021	prk	Sbappp Fees Recognized SBAPPPFeesRecognized	16300000	USD
CY2020	prk	Sbappp Fees Recognized SBAPPPFeesRecognized	13700000	USD
CY2019	prk	Sbappp Fees Recognized SBAPPPFeesRecognized	0	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	19500000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	23600000	USD
CY2021Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	1100000	USD
CY2020Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	2000000	USD
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	72722000	USD
CY2021Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	28323000	USD
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	1607000	USD
CY2021Q4	prk	Financing Receivable Recorded Investment Nonperforming FinancingReceivableRecordedInvestmentNonperforming	102652000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	117368000	USD
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	20888000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	1594000	USD
CY2020Q4	prk	Financing Receivable Recorded Investment Nonperforming FinancingReceivableRecordedInvestmentNonperforming	139850000	USD
CY2021Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	53977000	USD
CY2021Q4	prk	Financing Receivable Nonaccrual With Allowance FinancingReceivableNonaccrualWithAllowance	18745000	USD
CY2021Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	2240000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	109062000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	108455000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	5434000	USD
CY2021	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	2770000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	108455000	USD
CY2020	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	92294000	USD
CY2020	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	2879000	USD
CY2019Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	77491000	USD
CY2019	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	57768000	USD
CY2019	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	1893000	USD
CY2021Q4	prk	Financing Receivable Recorded Investment Accruing Loans30 To89 Days Past Due FinancingReceivableRecordedInvestmentAccruingLoans30To89DaysPastDue	13465000	USD
CY2021Q4	prk	Financing Receivable Recorded Investment Ninety Days Or More Past Due And Accruing Plus Past Due Nonaccrual Loans FinancingReceivableRecordedInvestmentNinetyDaysOrMorePastDueAndAccruingPlusPastDueNonaccrualLoans	21070000	USD
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	6871122000	USD
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	1600000	USD
CY2021Q4	prk	Impaired Financing Receivable Recorded Investment Nonaccrual Loans Which Are Current In Contractual P And I Payments ImpairedFinancingReceivableRecordedInvestmentNonaccrualLoansWhichAreCurrentInContractualPAndIPayments	53300000	USD
CY2020Q4	prk	Financing Receivable Recorded Investment Accruing Loans30 To89 Days Past Due FinancingReceivableRecordedInvestmentAccruingLoans30To89DaysPastDue	23652000	USD
CY2020Q4	prk	Financing Receivable Recorded Investment Ninety Days Or More Past Due And Accruing Plus Past Due Nonaccrual Loans FinancingReceivableRecordedInvestmentNinetyDaysOrMorePastDueAndAccruingPlusPastDueNonaccrualLoans	26364000	USD
CY2020Q4	prk	Loan And Leases Receivable Recorded Investment LoanAndLeasesReceivableRecordedInvestment	7198438000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	1600000	USD
CY2020Q4	prk	Impaired Financing Receivable Recorded Investment Nonaccrual Loans Which Are Current In Contractual P And I Payments ImpairedFinancingReceivableRecordedInvestmentNonaccrualLoansWhichAreCurrentInContractualPAndIPayments	92600000	USD
CY2018Q3	us-gaap	Business Combination Acquired Receivables Gross Contractual Amount BusinessCombinationAcquiredReceivablesGrossContractualAmount	277900000	USD
CY2018Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Receivables BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables	272800000	USD
CY2019Q2	us-gaap	Business Combination Acquired Receivables Gross Contractual Amount BusinessCombinationAcquiredReceivablesGrossContractualAmount	589700000	USD
CY2019Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Receivables BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables	578600000	USD
CY2021	us-gaap	Financing Receivable Allowance For Credit Loss Purchased With Credit Deterioration Increase FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease	52000	USD
CY2021Q4	prk	Modified Substandard Commercial Loans Total Recorded Investment ModifiedSubstandardCommercialLoansTotalRecordedInvestment	200000	USD
CY2020Q4	prk	Modified Substandard Commercial Loans Total Recorded Investment ModifiedSubstandardCommercialLoansTotalRecordedInvestment	200000	USD
CY2021Q4	prk	Modified Substandard Consumer Loans Total Recorded Investment ModifiedSubstandardConsumerLoansTotalRecordedInvestment	32900000	USD
CY2020Q4	prk	Modified Substandard Consumer Loans Total Recorded Investment ModifiedSubstandardConsumerLoansTotalRecordedInvestment	57900000	USD
CY2021Q4	prk	Troubled Debt Restructuring Included In Nonaccrual Loans TroubledDebtRestructuringIncludedInNonaccrualLoans	20900000	USD
CY2020Q4	prk	Troubled Debt Restructuring Included In Nonaccrual Loans TroubledDebtRestructuringIncludedInNonaccrualLoans	25800000	USD
CY2021Q4	prk	Nonaccrual Trouble Debt Restructuring Current NonaccrualTroubleDebtRestructuringCurrent	10500000	USD
CY2020Q4	prk	Nonaccrual Trouble Debt Restructuring Current NonaccrualTroubleDebtRestructuringCurrent	12900000	USD
CY2021Q4	prk	Troubled Debt Restructuring Included In Accruing Loans TroubledDebtRestructuringIncludedInAccruingLoans	28300000	USD
CY2020Q4	prk	Troubled Debt Restructuring Included In Accruing Loans TroubledDebtRestructuringIncludedInAccruingLoans	20900000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	3000000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	6700000	USD
CY2021Q4	prk	Specific Reserves Related To Troubled Debt Restructuring SpecificReservesRelatedToTroubledDebtRestructuring	300000	USD
CY2020Q4	prk	Specific Reserves Related To Troubled Debt Restructuring SpecificReservesRelatedToTroubledDebtRestructuring	200000	USD
CY2021	prk	Additional Specific Reserves Related To Troubled Debt Restructuring AdditionalSpecificReservesRelatedToTroubledDebtRestructuring	174000	USD
CY2020	prk	Additional Specific Reserves Related To Troubled Debt Restructuring AdditionalSpecificReservesRelatedToTroubledDebtRestructuring	7000	USD
CY2019	prk	Additional Specific Reserves Related To Troubled Debt Restructuring AdditionalSpecificReservesRelatedToTroubledDebtRestructuring	1300	USD
CY2021	prk	Troubled Debt Restructuring Classificationremoved TroubledDebtRestructuringClassificationremoved	4100000	USD
CY2020	prk	Troubled Debt Restructuring Classificationremoved TroubledDebtRestructuringClassificationremoved	2300000	USD
CY2021	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	195	contracts
CY2021	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	13484000	USD
CY2020	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	292	contracts
CY2020	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	10346000	USD
CY2019	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	443	contracts
CY2019	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	26673000	USD
CY2021	prk	Financing Receivable Modifications Recorded Investment Nonaccrual At Prior Fiscal Year End FinancingReceivableModificationsRecordedInvestmentNonaccrualAtPriorFiscalYearEnd	5400000	USD
CY2020	prk	Financing Receivable Modifications Recorded Investment Nonaccrual At Prior Fiscal Year End FinancingReceivableModificationsRecordedInvestmentNonaccrualAtPriorFiscalYearEnd	400000	USD
CY2019	prk	Financing Receivable Modifications Recorded Investment Nonaccrual At Prior Fiscal Year End FinancingReceivableModificationsRecordedInvestmentNonaccrualAtPriorFiscalYearEnd	2100000	USD
CY2021	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	22	contracts
CY2021	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1259000	USD
CY2020	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	55	contracts
CY2020	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	4401000	USD
CY2019	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	70	contracts
CY2019	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1365000	USD
CY2021	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1300000	USD
CY2020	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	4400000	USD
CY2019	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	1400000	USD
CY2021Q4	prk	Loans And Leases Related Parties Removal From Related Parties LoansAndLeasesRelatedPartiesRemovalFromRelatedParties	3200000	USD
CY2021Q1	prk	Qualitative Reserve Acl QualitativeReserveACL	57900000	USD
CY2021Q1	prk	Decline In Qualitative Reserve Acl DeclineInQualitativeReserveACL	17000000	USD
CY2020Q4	prk	Qualitative Reserve Acl QualitativeReserveACL	74900000	USD
CY2021	prk	Ppp Loans Originated PPPLoansOriginated	74400000	USD
CY2020	prk	Ppp Loans Originated PPPLoansOriginated	331600000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	85675000	USD
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	5093000	USD
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	8441000	USD
CY2021	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	3348000	USD
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-11916000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	83197000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	56679000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	10304000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	27246000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	-16942000	USD
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	12054000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	85675000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	51512000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	11177000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	10173000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	1004000	USD
CY2019	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	6171000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	56679000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	1616000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	81581000	USD
CY2021Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses	0	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	83197000	USD
CY2021Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	74502000	USD
CY2021Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	6789471000	USD
CY2021Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	7149000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	6871122000	USD
CY2021Q4	prk	Loans And Leases Receivable Ratio Of Allowance For Loan Losses To Total Loans Individually Evaluated For Impairment LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment	0.0217
CY2021Q4	prk	Loans And Leases Receivable Ratio Of Allowance For Loan Losses To Total Loans Collectively Evaluated For Impairment LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment	0.0120
CY2021Q4	prk	Certain Loans Acquiredin Transfer Not Accountedforas Debt Securities Allowanceasapercentageofloanbalance CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAllowanceasapercentageofloanbalance	0
CY2021Q4	prk	Loans And Leases Receivable Ratio Of Allowance For Loan Losses To Total Loans LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans	0.0121
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	5434000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	80074000	USD
CY2020Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Allowance For Loan Losses CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAllowanceForLoanLosses	167000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	85675000	USD
CY2020Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	108407000	USD
CY2020Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	7058225000	USD
CY2020Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	11153000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	7177785000	USD
CY2020Q4	prk	Loans And Leases Receivable Ratio Of Allowance For Loan Losses To Total Loans Individually Evaluated For Impairment LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansIndividuallyEvaluatedForImpairment	0.0501
CY2020Q4	prk	Loans And Leases Receivable Ratio Of Allowance For Loan Losses To Total Loans Collectively Evaluated For Impairment LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoansCollectivelyEvaluatedForImpairment	0.0113
CY2020Q4	prk	Certain Loans Acquiredin Transfer Not Accountedforas Debt Securities Allowanceasapercentageofloanbalance CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAllowanceasapercentageofloanbalance	0.0150
CY2020Q4	prk	Loans And Leases Receivable Ratio Of Allowance For Loan Losses To Total Loans LoansAndLeasesReceivableRatioOfAllowanceForLoanLossesToTotalLoans	0.0119
CY2020Q4	prk	Loans And Leases Receivable Recorded Investment Individually Evaluated For Impairment LoansAndLeasesReceivableRecordedInvestmentIndividuallyEvaluatedForImpairment	108455000	USD
CY2020Q4	prk	Loans And Leases Receivable Recorded Investment Collectively Evaluated For Impairment LoansAndLeasesReceivableRecordedInvestmentCollectivelyEvaluatedForImpairment	7078699000	USD
CY2020Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Carrying Amount Net CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet	11284000	USD
CY2020Q4	prk	Loans And Leases Receivable Recorded Investment LoansAndLeasesReceivableRecordedInvestment	7198438000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	112739000	USD
CY2018Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	6971000	USD
CY2018Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	119710000	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	46856000	USD
CY2019	us-gaap	Indefinitelived Intangible Assets Acquired IndefinitelivedIntangibleAssetsAcquired	8207000	USD
CY2019	prk	Acquiredgoodwillandintangibles Acquiredgoodwillandintangibles	55063000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2355000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2355000	USD
CY2019	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	1300000	USD
CY2019	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	1300000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	159595000	USD
CY2019Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	11523000	USD
CY2019Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	171118000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2263000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2263000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	159595000	USD
CY2020Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	9260000	USD
CY2020Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	168855000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1798000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1798000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	159595000	USD
CY2021Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	7462000	USD
CY2021Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	167057000	USD
CY2021Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	15756000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	8294000	USD
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	15756000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	6496000	USD
CY2019	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	1300000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1487000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1323000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1215000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	1042000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	887000	USD
CY2021Q4	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	9400000	USD
CY2020Q4	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	31700000	USD
CY2021	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	166000	USD
CY2020	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	753000	USD
CY2019Q4	prk	Loansheldforsalelowerofcostormarket Loansheldforsalelowerofcostormarket	0	USD
CY2021Q4	prk	Loansheldforsalelowerofcostormarket Loansheldforsalelowerofcostormarket	0	USD
CY2021Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	775000	USD
CY2020Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	1431000	USD
CY2021Q4	us-gaap	Other Foreclosed Assets OtherForeclosedAssets	3300000	USD
CY2020Q4	us-gaap	Other Foreclosed Assets OtherForeclosedAssets	3600000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	226929000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	215543000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	137921000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	126883000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	89008000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	88660000	USD
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	13300000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	10800000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	9100000	USD
CY2021Q4	us-gaap	Property Subject To Or Available For Operating Lease Gross PropertySubjectToOrAvailableForOperatingLeaseGross	7298000	USD
CY2020Q4	us-gaap	Property Subject To Or Available For Operating Lease Gross PropertySubjectToOrAvailableForOperatingLeaseGross	8561000	USD
CY2021Q4	us-gaap	Property Subject To Or Available For Operating Lease Accumulated Depreciation PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation	4860000	USD
CY2020Q4	us-gaap	Property Subject To Or Available For Operating Lease Accumulated Depreciation PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation	4665000	USD
CY2021Q4	us-gaap	Property Subject To Or Available For Operating Lease Net PropertySubjectToOrAvailableForOperatingLeaseNet	2438000	USD
CY2020Q4	us-gaap	Property Subject To Or Available For Operating Lease Net PropertySubjectToOrAvailableForOperatingLeaseNet	3896000	USD
CY2021	us-gaap	Operating Leases Income Statement Depreciation Expense On Property Subject To Or Held For Lease OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease	1500000	USD
CY2020	us-gaap	Operating Leases Income Statement Depreciation Expense On Property Subject To Or Held For Lease OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease	1800000	USD
CY2019	us-gaap	Operating Leases Income Statement Depreciation Expense On Property Subject To Or Held For Lease OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease	1300000	USD
CY2021Q4	us-gaap	Affordable Housing Program Obligation AffordableHousingProgramObligation	28484000	USD
CY2020Q4	us-gaap	Affordable Housing Program Obligation AffordableHousingProgramObligation	29298000	USD
CY2021	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	7300000	USD
CY2020	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	7000000	USD
CY2019	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	6900000	USD
CY2021	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	8800000	USD
CY2020	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	8700000	USD
CY2019	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	8800000	USD
CY2021Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3066419000	USD
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	2727100000	USD
CY2021Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	4838109000	USD
CY2020Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	4845258000	USD
CY2021Q4	us-gaap	Deposits Deposits	7904528000	USD
CY2020Q4	us-gaap	Deposits Deposits	7572358000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	450374000	USD
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CY2021Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	40819000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	36352000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	25405000	USD
CY2021Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	133000	USD
CY2021Q4	us-gaap	Time Deposits TimeDeposits	711660000	USD
CY2021Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	29600000	USD
CY2020Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	20200000	USD
CY2021Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	65800000	USD
CY2020Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	77200000	USD
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CY2020Q4	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	317200000	USD
CY2021Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged For Repurchase Agreements At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForRepurchaseAgreementsAtFairValue	334900000	USD
CY2020Q4	us-gaap	Pledged Assets Separately Reported Securities Pledged For Repurchase Agreements At Fair Value PledgedAssetsSeparatelyReportedSecuritiesPledgedForRepurchaseAgreementsAtFairValue	366000000	USD
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CY2020Q4	prk	Availableunpledgedsecurities Availableunpledgedsecurities	438600000	USD
CY2021Q4	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	213786000	USD
CY2020Q4	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	317230000	USD
CY2021Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	213786000	USD
CY2020Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	317230000	USD
CY2021Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	25000000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	25000000	USD
CY2021Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	238786000	USD
CY2020Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	342230000	USD
CY2021	prk	Average Interest Rate On Fhlb Swap AverageInterestRateOnFHLBSwap	0.0269
CY2020	prk	Average Interest Rate On Fhlb Swap AverageInterestRateOnFHLBSwap	0.0238
CY2021Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Federal Home Loan Bank PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForFederalHomeLoanBank	9500000	USD
CY2020Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Federal Home Loan Bank PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForFederalHomeLoanBank	13900000	USD
CY2020Q1	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Repayment And Penalties FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresRepaymentAndPenalties	50000000	USD
CY2020Q1	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	1800000	USD
CY2020Q1	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Interest Rate FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate	0.0301
CY2020Q4	us-gaap	Federal Home Loan Bank Advances General Debt Obligations Disclosures Repayment And Penalties FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresRepaymentAndPenalties	100000000	USD
CY2020Q4	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	8700000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Interest Rate FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate	0.0340
CY2021	us-gaap	Debt Instrument Basis Spread On Variable Rate1 DebtInstrumentBasisSpreadOnVariableRate1	0.0148
CY2021	us-gaap	Debt Instrument Basis Spread On Variable Rate1 DebtInstrumentBasisSpreadOnVariableRate1	0.0148
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CY2020Q3	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.0450
CY2020Q3	us-gaap	Deferred Finance Costs Gross DeferredFinanceCostsGross	2400000	USD
CY2021	prk	Interest Incomeon Interestrate Swap InterestIncomeonInterestrateSwap	614000	USD
CY2020	prk	Interest Incomeon Interestrate Swap InterestIncomeonInterestrateSwap	423000	USD
CY2019	prk	Interest Incomeon Interestrate Swap InterestIncomeonInterestrateSwap	42000	USD
CY2021	us-gaap	Unrealized Gain Loss On Interest Rate Cash Flow Hedges Pretax Accumulated Other Comprehensive Income Loss UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss	492000	USD
CY2021	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	0	USD
CY2021	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	0	USD
CY2020	us-gaap	Unrealized Gain Loss On Interest Rate Cash Flow Hedges Pretax Accumulated Other Comprehensive Income Loss UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss	-244000	USD
CY2020	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	0	USD
CY2020	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	0	USD
CY2019	us-gaap	Unrealized Gain Loss On Interest Rate Cash Flow Hedges Pretax Accumulated Other Comprehensive Income Loss UnrealizedGainLossOnInterestRateCashFlowHedgesPretaxAccumulatedOtherComprehensiveIncomeLoss	-454000	USD
CY2019	us-gaap	Interest Rate Cash Flow Hedge Gain Loss Reclassified To Earnings Net InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet	0	USD
CY2019	us-gaap	Gain Loss On Cash Flow Hedge Ineffectiveness Net GainLossOnCashFlowHedgeIneffectivenessNet	0	USD
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	300000	USD
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	1500000	USD
CY2021	prk	Treasury Stock Reissued Shares For Director Grants TreasuryStockReissuedSharesForDirectorGrants	13400	shares
CY2020	prk	Treasury Stock Reissued Shares For Director Grants TreasuryStockReissuedSharesForDirectorGrants	13450	shares
CY2019	prk	Treasury Stock Reissued Shares For Director Grants TreasuryStockReissuedSharesForDirectorGrants	13500	shares
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CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	1300000	USD
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	1300000	USD
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CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	3101	shares
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CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	44379	shares
CY2021	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	18436	shares
CY2020	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	14038	shares
CY2021	us-gaap	Restricted Stock Shares Issued Net Of Shares For Tax Withholdings RestrictedStockSharesIssuedNetOfSharesForTaxWithholdings	29670	shares
CY2020	us-gaap	Restricted Stock Shares Issued Net Of Shares For Tax Withholdings RestrictedStockSharesIssuedNetOfSharesForTaxWithholdings	30341	shares
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6300000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6000000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5000000	USD
CY2021Q4	prk	Share Based Payment Cost Not Yet Recognized Next12 Months ShareBasedPaymentCostNotYetRecognizedNext12Months	4091000	USD
CY2021Q4	prk	Share Base Payment Arrangement Cost Not Yet Recognized Year Two Amount ShareBasePaymentArrangementCostNotYetRecognizedYearTwoAmount	2658000	USD
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CY2021Q4	prk	Share Base Payment Arrangement Cost Not Yet Recognized Year Four Amount ShareBasePaymentArrangementCostNotYetRecognizedYearFourAmount	178000	USD
CY2021Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	8034000	USD
CY2021	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	0	USD
CY2020	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	0	USD
CY2020Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	230442000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	210623000	USD
CY2021	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	48138000	USD
CY2020	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	27800000	USD
CY2021	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	15107000	USD
CY2020	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	7981000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	263473000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	230442000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	184410000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	154419000	USD
CY2021	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	9916000	USD
CY2020	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	8319000	USD
CY2021	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	5359000	USD
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	5283000	USD
CY2021	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-1614000	USD
CY2020	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	24370000	USD
CY2021	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	15107000	USD
CY2020	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	7981000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	182964000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	184410000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	80509000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	46032000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	184400000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	183000000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0300
CY2021Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0323
CY2021Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2020Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2021	prk	Defined Benefit Plan Expected Return On Plan Assets Percentage DefinedBenefitPlanExpectedReturnOnPlanAssetsPercentage	0.0692
CY2020	prk	Defined Benefit Plan Expected Return On Plan Assets Percentage DefinedBenefitPlanExpectedReturnOnPlanAssetsPercentage	0.0700
CY2021Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	146200000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	149500000	USD
CY2009Q4	prk	Common Share Purchased Under Pension Plan Shares CommonSharePurchasedUnderPensionPlanShares	115800	shares
CY2009Q4	prk	Common Share Purchased Under Pension Plan Value CommonSharePurchasedUnderPensionPlanValue	7000000	USD
CY2009Q4	prk	Common Share Purchased Under Pension Plan Value Per Share CommonSharePurchasedUnderPensionPlanValuePerShare	60.45
CY2021Q4	prk	Common Shares Held Under Pension Plan Shares CommonSharesHeldUnderPensionPlanShares	115800	shares
CY2021Q4	prk	Common Shares Held Under Pension Plan Fair Value CommonSharesHeldUnderPensionPlanFairValue	15900000	USD
CY2021	prk	Fair Value Pension Plan Common Shares Held Per Share FairValuePensionPlanCommonSharesHeldPerShare	137.31
CY2020Q4	prk	Common Shares Held Under Pension Plan Fair Value CommonSharesHeldUnderPensionPlanFairValue	12200000	USD
CY2020	prk	Fair Value Pension Plan Common Shares Held Per Share FairValuePensionPlanCommonSharesHeldPerShare	105.01
CY2021Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0323
CY2020Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0300
CY2019Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0353
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	12775000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	11500000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	12102000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	12405000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	12360000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	61702000	USD
CY2021Q4	prk	Defined Benefit Plan Expected Future Benefit Payments Total DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal	122844000	USD
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	137000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	152000	USD
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	7469000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	43723000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-7332000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-43571000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Other DeferredTaxAssetsTaxDeferredExpenseOther	1540000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Other DeferredTaxAssetsTaxDeferredExpenseOther	9150000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-5792000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-34421000	USD
CY2021	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	9916000	USD
CY2020	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	8319000	USD
CY2019	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	5873000	USD
CY2021	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	5359000	USD
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	5283000	USD
CY2019	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	5491000	USD
CY2021	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	15731000	USD
CY2020	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	14410000	USD
CY2019	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	12105000	USD
CY2021	us-gaap	Defined Benefit Plan Actuarial Gain Loss Immediate Recognition As Component In Net Periodic Benefit Cost Credit DefinedBenefitPlanActuarialGainLossImmediateRecognitionAsComponentInNetPeriodicBenefitCostCredit	-2220000	USD
CY2020	us-gaap	Defined Benefit Plan Actuarial Gain Loss Immediate Recognition As Component In Net Periodic Benefit Cost Credit DefinedBenefitPlanActuarialGainLossImmediateRecognitionAsComponentInNetPeriodicBenefitCostCredit	-1175000	USD
CY2019	us-gaap	Defined Benefit Plan Actuarial Gain Loss Immediate Recognition As Component In Net Periodic Benefit Cost Credit DefinedBenefitPlanActuarialGainLossImmediateRecognitionAsComponentInNetPeriodicBenefitCostCredit	-1882000	USD
CY2021	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	1764000	USD
CY2020	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	367000	USD
CY2019	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	1141000	USD
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	34019000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	-10981000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	1913000	USD
CY2021	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	2220000	USD
CY2020	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	1175000	USD
CY2019	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	1882000	USD
CY2021	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	36239000	USD
CY2020	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	-9806000	USD
CY2019	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Loss Net Gain Loss Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax	3795000	USD
CY2021	prk	Total Recognized In Net Benefit Cost And Other Comprehensive Loss Income TotalRecognizedInNetBenefitCostAndOtherComprehensiveLossIncome	34475000	USD
CY2020	prk	Total Recognized In Net Benefit Cost And Other Comprehensive Loss Income TotalRecognizedInNetBenefitCostAndOtherComprehensiveLossIncome	-10173000	USD
CY2019	prk	Total Recognized In Net Benefit Cost And Other Comprehensive Loss Income TotalRecognizedInNetBenefitCostAndOtherComprehensiveLossIncome	2654000	USD
CY2021	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0300
CY2020	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0353
CY2019	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0460
CY2021	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0700
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CY2021	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	7830000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	1754000	USD
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CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	9584000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	5792000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	21153000	USD
CY2021Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	-206000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	15155000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	26674000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	17539000	USD
CY2019Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	-454000	USD
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CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax	25747000	USD
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CY2020	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	16828000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	928000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	2596000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	0	USD
CY2020	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	1668000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	7747000	USD
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CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-244000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	15160000	USD
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CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	40690000	USD
CY2020Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	-698000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	5571000	USD
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CY2018Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	0	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-49788000	USD
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CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax	37322000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-454000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	38379000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	1487000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-333000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	0	USD
CY2019	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-1820000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2998000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	37655000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-454000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	40199000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	26674000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	17539000	USD
CY2019Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	-454000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-9589000	USD
CY2019	us-gaap	Debt Securities Held To Maturity Transfer Amount DebtSecuritiesHeldToMaturityTransferAmount	373900000	USD
CY2019	us-gaap	Other Comprehensive Income Reclassification Adjustment For Held To Maturity Transferred To Available For Sale Securities Before Tax OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax	24200000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Transfers From Held To Maturity To Available For Sale Securities Net Of Tax OtherComprehensiveIncomeLossTransfersFromHeldToMaturityToAvailableForSaleSecuritiesNetOfTax	19100000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	2220000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	1175000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	1882000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	2220000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	1175000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	1882000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	466000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	247000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	395000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	1754000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	928000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	1487000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-3286000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	421000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-690000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	88000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	153945000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	127923000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	102700000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	16291016	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	16302825	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	16234342	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	134190	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	104677	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	95114	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	16425206	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	16407502	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	16329456	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	9.45
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.85
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.33
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	9.37
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.80
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.29
CY2019	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	1037205	shares
CY2021Q4	us-gaap	Statutory Accounting Practices Statutory Amount Available For Dividend Payments Without Regulatory Approval StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval	116800000	USD
CY2021Q4	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	1364224000	USD
CY2020Q4	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	1372182000	USD
CY2021Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	18216000	USD
CY2020Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	17015000	USD
CY2021Q4	prk	Principal Amount Outstanding On Sold Loans Servicing Retained PrincipalAmountOutstandingOnSoldLoansServicingRetained	2132000000	USD
CY2020Q4	prk	Principal Amount Outstanding On Sold Loans Servicing Retained PrincipalAmountOutstandingOnSoldLoansServicingRetained	1972000000	USD
CY2019Q4	prk	Principal Amount Outstanding On Sold Loans Servicing Retained PrincipalAmountOutstandingOnSoldLoansServicingRetained	1447000000	USD
CY2021Q4	prk	Principal Amount Outstanding On Sold Loans Servicing Retained With Recourse PrincipalAmountOutstandingOnSoldLoansServicingRetainedWithRecourse	3300000	USD
CY2020Q4	prk	Principal Amount Outstanding On Sold Loans Servicing Retained With Recourse PrincipalAmountOutstandingOnSoldLoansServicingRetainedWithRecourse	1700000	USD
CY2019Q4	prk	Principal Amount Outstanding On Sold Loans Servicing Retained With Recourse PrincipalAmountOutstandingOnSoldLoansServicingRetainedWithRecourse	2300000	USD
CY2021Q4	prk	Mortgage Loans Sold With Recourse Reserve MortgageLoansSoldWithRecourseReserve	57000	USD
CY2020Q4	prk	Mortgage Loans Sold With Recourse Reserve MortgageLoansSoldWithRecourseReserve	30000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	12210000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	10070000	USD
CY2018Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	10178000	USD
CY2021	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	4945000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	8627000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	2355000	USD
CY2021	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	3512000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	4123000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	1870000	USD
CY2021	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	1621000	USD
CY2020	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	-2364000	USD
CY2019	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	-593000	USD
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	15264000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	12210000	USD
CY2019Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	10070000	USD
CY2020Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	3189000	USD
CY2019Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	825000	USD
CY2018Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	232000	USD
CY2021	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	-1621000	USD
CY2020	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	2364000	USD
CY2019	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	593000	USD
CY2021Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	1568000	USD
CY2020Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	3189000	USD
CY2019Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	825000	USD
CY2021	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.12
CY2020	us-gaap	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Discount Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate	0.12
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	2827000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	3463000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	3165000	USD
CY2021	us-gaap	Sublease Income SubleaseIncome	253000	USD
CY2020	us-gaap	Sublease Income SubleaseIncome	352000	USD
CY2019	us-gaap	Sublease Income SubleaseIncome	383000	USD
CY2021	us-gaap	Lease Cost LeaseCost	2574000	USD
CY2020	us-gaap	Lease Cost LeaseCost	3111000	USD
CY2019	us-gaap	Lease Cost LeaseCost	2782000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	3199000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	3553000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	3192000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1190000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	7821000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	505000	USD
CY2021	prk	Reductionstorightofuseassetsresultingfromreductioninleaseobligations Reductionstorightofuseassetsresultingfromreductioninleaseobligations	2865000	USD
CY2020	prk	Reductionstorightofuseassetsresultingfromreductioninleaseobligations Reductionstorightofuseassetsresultingfromreductioninleaseobligations	3084000	USD
CY2019	prk	Reductionstorightofuseassetsresultingfromreductioninleaseobligations Reductionstorightofuseassetsresultingfromreductioninleaseobligations	2855000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y9M18D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y2M12D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.023
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.023
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	3108000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	2978000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1880000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1540000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1452000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	4496000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	15454000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1115000	USD
CY2021	us-gaap	Unrealized Gain Loss On Cash Flow Hedging Instruments UnrealizedGainLossOnCashFlowHedgingInstruments	262000	USD
CY2020	us-gaap	Unrealized Gain Loss On Cash Flow Hedging Instruments UnrealizedGainLossOnCashFlowHedgingInstruments	885000	USD
CY2021	prk	Discount Percentage Applied To Real Estate Appraised Values DiscountPercentageAppliedToRealEstateAppraisedValues	0.15
CY2021	prk	Discount Percentage Applied To Real Estate Appraised Values DiscountPercentageAppliedToRealEstateAppraisedValues	0.15
CY2021	prk	Discount Percentage Applied To Real Estate Appraised Values DiscountPercentageAppliedToRealEstateAppraisedValues	0.15
CY2021	prk	Discount Percentage Applied To Lot Development Appraised Values DiscountPercentageAppliedToLotDevelopmentAppraisedValues	0.06
CY2021Q4	prk	Book Value Of Impaired Loans Carried At Fair Value BookValueOfImpairedLoansCarriedAtFairValue	1291000	USD
CY2021	prk	Partial Charge Offs On Impaired Loans Carried At Fair Value PartialChargeOffsOnImpairedLoansCarriedAtFairValue	240000	USD
CY2021Q4	prk	Impaired Loan Fair Value ImpairedLoanFairValue	1103000	USD
CY2021Q4	prk	Impaired Financing Receivableloansnotheldat Fair Value Recorded Investment ImpairedFinancingReceivableloansnotheldatFairValueRecordedInvestment	73211000	USD
CY2021	prk	Partial Chargeoffson Impaired Loanscarriedat Cost PartialChargeoffsonImpairedLoanscarriedatCost	384000	USD
CY2021Q4	prk	Impaired Financing Receivableloansnotheldat Fair Value Carrying Amount ImpairedFinancingReceivableloansnotheldatFairValueCarryingAmount	71783000	USD
CY2021Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	74502000	USD
CY2021	prk	Partial Charge Offs On Impaired Loans PartialChargeOffsOnImpairedLoans	624000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	1616000	USD
CY2021Q4	prk	Impaired Financing Receivable Carrying Value ImpairedFinancingReceivableCarryingValue	72886000	USD
CY2020Q4	prk	Book Value Of Impaired Loans Carried At Fair Value BookValueOfImpairedLoansCarriedAtFairValue	8256000	USD
CY2020	prk	Partial Charge Offs On Impaired Loans Carried At Fair Value PartialChargeOffsOnImpairedLoansCarriedAtFairValue	269000	USD
CY2020Q4	prk	Impaired Loan Fair Value ImpairedLoanFairValue	6924000	USD
CY2020Q4	prk	Impaired Financing Receivableloansnotheldat Fair Value Recorded Investment ImpairedFinancingReceivableloansnotheldatFairValueRecordedInvestment	100199000	USD
CY2020	prk	Partial Chargeoffson Impaired Loanscarriedat Cost PartialChargeoffsonImpairedLoanscarriedatCost	386000	USD
CY2020Q4	prk	Impaired Financing Receivableloansnotheldat Fair Value Carrying Amount ImpairedFinancingReceivableloansnotheldatFairValueCarryingAmount	96097000	USD
CY2020Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	108455000	USD
CY2020	prk	Partial Charge Offs On Impaired Loans PartialChargeOffsOnImpairedLoans	655000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	5434000	USD
CY2020Q4	prk	Impaired Financing Receivable Carrying Value ImpairedFinancingReceivableCarryingValue	103021000	USD
CY2021	prk	Impaired Financing Receivable Carried At Fair Value Related Expense ImpairedFinancingReceivableCarriedAtFairValueRelatedExpense	500000	USD
CY2020	prk	Impaired Financing Receivable Carried At Fair Value Related Expense ImpairedFinancingReceivableCarriedAtFairValueRelatedExpense	-4700000	USD
CY2019	prk	Impaired Financing Receivable Carried At Fair Value Related Expense ImpairedFinancingReceivableCarriedAtFairValueRelatedExpense	-200000	USD
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	15300000	USD
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	15300000	USD
CY2021Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	13500000	USD
CY2021Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	1600000	USD
CY2021Q4	prk	Servicing Asset Recorded At Cost ServicingAssetRecordedAtCost	1800000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	12200000	USD
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	12200000	USD
CY2020Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	12200000	USD
CY2020Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	3200000	USD
CY2020Q4	prk	Servicing Asset Recorded At Cost ServicingAssetRecordedAtCost	31000	USD
CY2021	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	-1600000	USD
CY2020	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	2400000	USD
CY2019	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Provisions Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries	600000	USD
CY2021Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	800000	USD
CY2020Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	1400000	USD
CY2021Q4	prk	Percentof Ore Oheldatfairvalue PercentofOREOheldatfairvalue	1
CY2020Q4	prk	Percentof Ore Oheldatfairvalue PercentofOREOheldatfairvalue	0.51
CY2021Q4	prk	Other Real Estate Foreclosed Assets And Repossessed Assets Fair Value OtherRealEstateForeclosedAssetsAndRepossessedAssetsFairValue	800000	USD
CY2020Q4	prk	Other Real Estate Foreclosed Assets And Repossessed Assets Fair Value OtherRealEstateForeclosedAssetsAndRepossessedAssetsFairValue	700000	USD
CY2021	prk	Oreo Devaluations OreoDevaluations	-32000	USD
CY2020	prk	Oreo Devaluations OreoDevaluations	100000	USD
CY2019	prk	Oreo Devaluations OreoDevaluations	-200000	USD
CY2021Q4	us-gaap	Other Foreclosed Assets OtherForeclosedAssets	3300000	USD
CY2020Q4	us-gaap	Other Foreclosed Assets OtherForeclosedAssets	3600000	USD
CY2021	prk	Expenserelatedtootherrepossessedassets Expenserelatedtootherrepossessedassets	414000	USD
CY2020	prk	Expenserelatedtootherrepossessedassets Expenserelatedtootherrepossessedassets	435000	USD
CY2019	prk	Expenserelatedtootherrepossessedassets Expenserelatedtootherrepossessedassets	0	USD
CY2021Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	8400000	USD
CY2020Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	6200000	USD
CY2021	prk	Alternative Investmentincomerecognized AlternativeInvestmentincomerecognized	4500000	USD
CY2020	prk	Alternative Investmentincomerecognized AlternativeInvestmentincomerecognized	2400000	USD
CY2019	prk	Alternative Investmentincomerecognized AlternativeInvestmentincomerecognized	4800000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	219180000	USD
CY2021Q4	us-gaap	Investment Owned At Fair Value InvestmentOwnedAtFairValue	1754140000	USD
CY2021Q4	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	9387000	USD
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	333000	USD
CY2021Q4	prk	Impaired Loan Fair Value ImpairedLoanFairValue	1103000	USD
CY2021Q4	us-gaap	Other Assets Fair Value Disclosure OtherAssetsFairValueDisclosure	6783848000	USD
CY2021Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	6794671000	USD
CY2021Q4	prk	Time Deposits Fair Value TimeDepositsFairValue	714307000	USD
CY2021Q4	us-gaap	Other Liabilities Fair Value Disclosure OtherLiabilitiesFairValueDisclosure	1465000	USD
CY2021Q4	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	715772000	USD
CY2021Q4	us-gaap	Shortterm Debt Fair Value ShorttermDebtFairValue	238786000	USD
CY2021Q4	us-gaap	Fair Value Liabilities Measured On Recurring Basis Subordinated Debt Obligations FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations	207912000	USD
CY2021	us-gaap	Unrealized Gain Loss On Cash Flow Hedging Instruments UnrealizedGainLossOnCashFlowHedgingInstruments	262000	USD
CY2021	us-gaap	Unrealized Gain Loss On Cash Flow Hedging Instruments UnrealizedGainLossOnCashFlowHedgingInstruments	262000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	370474000	USD
CY2020Q4	us-gaap	Investment Owned At Fair Value InvestmentOwnedAtFairValue	1059341000	USD
CY2020Q4	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	31666000	USD
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	1545000	USD
CY2020Q4	prk	Impaired Loan Fair Value ImpairedLoanFairValue	6924000	USD
CY2020Q4	us-gaap	Other Assets Fair Value Disclosure OtherAssetsFairValueDisclosure	7072339000	USD
CY2020Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	7112474000	USD
CY2020Q4	prk	Time Deposits Fair Value TimeDepositsFairValue	870804000	USD
CY2020Q4	us-gaap	Other Liabilities Fair Value Disclosure OtherLiabilitiesFairValueDisclosure	1379000	USD
CY2020Q4	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	872183000	USD
CY2020Q4	us-gaap	Shortterm Debt Fair Value ShorttermDebtFairValue	342230000	USD
CY2020Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	31376000	USD
CY2020Q4	us-gaap	Fair Value Liabilities Measured On Recurring Basis Subordinated Debt Obligations FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations	179147000	USD
CY2020	us-gaap	Unrealized Gain Loss On Cash Flow Hedging Instruments UnrealizedGainLossOnCashFlowHedgingInstruments	885000	USD
CY2020	us-gaap	Unrealized Gain Loss On Cash Flow Hedging Instruments UnrealizedGainLossOnCashFlowHedgingInstruments	885000	USD
CY2021Q4	us-gaap	Banking Regulation Capital Conservation Buffer Capital Conserved Minimum BankingRegulationCapitalConservationBufferCapitalConservedMinimum	0.0250
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	329893000	USD
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-11916000	USD
CY2021	prk	Other Income Loss And Security Gains OtherIncomeLossAndSecurityGains	129944000	USD
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CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	188235000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34290000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	153945000	USD
CY2021Q4	us-gaap	Assets Assets	9560254000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	6871122000	USD
CY2021Q4	us-gaap	Deposits Deposits	7904528000	USD
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	327630000	USD
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	12054000	USD
CY2020	prk	Other Income Loss And Security Gains OtherIncomeLossAndSecurityGains	125664000	USD
CY2020	us-gaap	Noninterest Expense NoninterestExpense	286595000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	154645000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	26722000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	127923000	USD
CY2020Q4	us-gaap	Assets Assets	9279021000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	7177785000	USD
CY2020Q4	us-gaap	Deposits Deposits	7572358000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	297737000	USD
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	6171000	USD
CY2019	prk	Other Income Loss And Security Gains OtherIncomeLossAndSecurityGains	97193000	USD
CY2019	us-gaap	Noninterest Expense NoninterestExpense	263988000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	124771000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22071000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	102700000	USD
CY2019Q4	us-gaap	Assets Assets	8558377000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	6501404000	USD
CY2019Q4	us-gaap	Deposits Deposits	7052612000	USD
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	329893000	USD
CY2021	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	13267000	USD
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	270251000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34290000	USD
CY2021Q4	us-gaap	Assets Assets	9560254000	USD
CY2021Q4	us-gaap	Deposits Deposits	7904528000	USD
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CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	26722000	USD
CY2020Q4	us-gaap	Assets Assets	9279021000	USD
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CY2019	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	9112000	USD
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CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22071000	USD
CY2019Q4	us-gaap	Assets Assets	8558377000	USD
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CY2021	us-gaap	Debt And Equity Securities Unrealized Gain Loss DebtAndEquitySecuritiesUnrealizedGainLoss	-1218000	USD
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CY2019	us-gaap	Debt And Equity Securities Unrealized Gain Loss DebtAndEquitySecuritiesUnrealizedGainLoss	-4204000	USD
CY2021	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	USD
CY2020	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	USD
CY2019	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	28630000	USD
CY2021	prk	Otherinvestingactivitiesnet Otherinvestingactivitiesnet	2332000	USD
CY2020	prk	Otherinvestingactivitiesnet Otherinvestingactivitiesnet	-2621000	USD
CY2019	prk	Otherinvestingactivitiesnet Otherinvestingactivitiesnet	5723000	USD
CY2021	prk	Personaltrustandagencyaccountsincome Personaltrustandagencyaccountsincome	10264000	USD
CY2021	prk	Employeebenefitandretirementrelatedaccountsincome Employeebenefitandretirementrelatedaccountsincome	9705000	USD
CY2021	prk	Investmentmanagementandinvestmentadvisoryagencyaccountsincome Investmentmanagementandinvestmentadvisoryagencyaccountsincome	12620000	USD
CY2021	prk	Otherincomefromfiduciaryactivities Otherincomefromfiduciaryactivities	1860000	USD
CY2021	prk	Nonsufficientfunds Ns Ffees NonsufficientfundsNSFfees	5244000	USD
CY2021	prk	Demanddepositaccount Dd Acharges DemanddepositaccountDDAcharges	3074000	USD
CY2021	prk	Otherservicechargesondepositaccounts Otherservicechargesondepositaccounts	514000	USD
CY2021	prk	Creditcardotherserviceincome Creditcardotherserviceincome	2563000	USD
CY2021	prk	Helo Cotherserviceincome HELOCotherserviceincome	389000	USD
CY2021	prk	Installmentotherserviceincome Installmentotherserviceincome	148000	USD
CY2021	prk	Realestateotherserviceincome Realestateotherserviceincome	24907000	USD
CY2021	prk	Commercialotherserviceincome Commercialotherserviceincome	1805000	USD
CY2021	prk	Debit Card Fee Income DebitCardFeeIncome	25865000	USD
CY2021	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4897000	USD
CY2021	prk	Atm Fees AtmFees	2379000	USD
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CY2021	prk	Othercomponentsofnetperiodicbenefitincome Othercomponentsofnetperiodicbenefitincome	8152000	USD
CY2021	us-gaap	Noninterest Income Other NoninterestIncomeOther	10551000	USD
CY2021	us-gaap	Noninterest Income NoninterestIncome	129944000	USD
CY2021	us-gaap	Noninterest Income Other NoninterestIncomeOther	10600000	USD
CY2020	prk	Personaltrustandagencyaccountsincome Personaltrustandagencyaccountsincome	8761000	USD
CY2020	prk	Employeebenefitandretirementrelatedaccountsincome Employeebenefitandretirementrelatedaccountsincome	7921000	USD
CY2020	prk	Investmentmanagementandinvestmentadvisoryagencyaccountsincome Investmentmanagementandinvestmentadvisoryagencyaccountsincome	10652000	USD
CY2020	prk	Otherincomefromfiduciaryactivities Otherincomefromfiduciaryactivities	1539000	USD
CY2020	prk	Nonsufficientfunds Ns Ffees NonsufficientfundsNSFfees	4999000	USD
CY2020	prk	Demanddepositaccount Dd Acharges DemanddepositaccountDDAcharges	2920000	USD
CY2020	prk	Otherservicechargesondepositaccounts Otherservicechargesondepositaccounts	526000	USD
CY2020	prk	Creditcardotherserviceincome Creditcardotherserviceincome	2112000	USD
CY2020	prk	Helo Cotherserviceincome HELOCotherserviceincome	424000	USD
CY2020	prk	Installmentotherserviceincome Installmentotherserviceincome	165000	USD
CY2020	prk	Realestateotherserviceincome Realestateotherserviceincome	32889000	USD
CY2020	prk	Commercialotherserviceincome Commercialotherserviceincome	2021000	USD
CY2020	prk	Debit Card Fee Income DebitCardFeeIncome	22160000	USD
CY2020	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4789000	USD
CY2020	prk	Atm Fees AtmFees	1773000	USD
CY2020	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	1207000	USD
CY2020	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	3286000	USD
CY2020	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	2182000	USD
CY2020	prk	Othercomponentsofnetperiodicbenefitincome Othercomponentsofnetperiodicbenefitincome	7952000	USD
CY2020	us-gaap	Noninterest Income Other NoninterestIncomeOther	7386000	USD
CY2020	us-gaap	Noninterest Income NoninterestIncome	125664000	USD
CY2020	us-gaap	Noninterest Income Other NoninterestIncomeOther	7400000	USD
CY2019	prk	Personaltrustandagencyaccountsincome Personaltrustandagencyaccountsincome	9001000	USD
CY2019	prk	Employeebenefitandretirementrelatedaccountsincome Employeebenefitandretirementrelatedaccountsincome	7178000	USD
CY2019	prk	Investmentmanagementandinvestmentadvisoryagencyaccountsincome Investmentmanagementandinvestmentadvisoryagencyaccountsincome	10024000	USD
CY2019	prk	Otherincomefromfiduciaryactivities Otherincomefromfiduciaryactivities	1565000	USD
CY2019	prk	Nonsufficientfunds Ns Ffees NonsufficientfundsNSFfees	7073000	USD
CY2019	prk	Demanddepositaccount Dd Acharges DemanddepositaccountDDAcharges	3105000	USD
CY2019	prk	Otherservicechargesondepositaccounts Otherservicechargesondepositaccounts	657000	USD
CY2019	prk	Creditcardotherserviceincome Creditcardotherserviceincome	2361000	USD
CY2019	prk	Helo Cotherserviceincome HELOCotherserviceincome	407000	USD
CY2019	prk	Installmentotherserviceincome Installmentotherserviceincome	173000	USD
CY2019	prk	Realestateotherserviceincome Realestateotherserviceincome	11158000	USD
CY2019	prk	Commercialotherserviceincome Commercialotherserviceincome	1401000	USD
CY2019	prk	Debit Card Fee Income DebitCardFeeIncome	20250000	USD
CY2019	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4557000	USD
CY2019	prk	Atm Fees AtmFees	1828000	USD
CY2019	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-222000	USD
CY2019	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-421000	USD
CY2019	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	5118000	USD
CY2019	prk	Othercomponentsofnetperiodicbenefitincome Othercomponentsofnetperiodicbenefitincome	4732000	USD
CY2019	us-gaap	Noninterest Income Other NoninterestIncomeOther	7248000	USD
CY2019	us-gaap	Noninterest Income NoninterestIncome	97193000	USD
CY2019	us-gaap	Noninterest Income Other NoninterestIncomeOther	7200000	USD

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2021 Q4 Form 10-K Financial Statement

#000080567622000034 Filed on February 24, 2022

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2021 Q4 Form 10-K Financial Statement

#000080567622000034 Filed on February 24, 2022

Income Statement

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Park National Corp Stock $prk