$CPK
CHESAPEAKE UTILITIES CORP Stock $cpk

$cpk Overview Financials Valuation SEC Filings Company Website

2024 Q2 Form 10-Q Financial Statement

#000162828024021732 Filed on May 08, 2024

Income Statement

Concept	2024 Q2	2024 Q1
Revenue	$166.3M	$245.7M
YoY Change	22.63%	12.66%
Cost Of Revenue	$39.64M	$81.22M
YoY Change	10.75%	-8.32%
Gross Profit	$126.6M	$164.5M
YoY Change	26.89%	27.01%
Gross Profit Margin	76.16%	66.95%
Selling, General & Admin	$738.0K	$736.0K
YoY Change	-5.38%	-6.6%
% of Gross Profit	0.58%	0.45%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$17.88M	$16.91M
YoY Change	3.32%	-1.59%
% of Gross Profit	14.12%	10.28%
Operating Expenses	$125.5M	$166.2M
YoY Change	17.0%	1.8%
Operating Profit	$40.79M	$79.59M
YoY Change	43.9%	44.92%
Interest Expense	$16.81M	$17.03M
YoY Change	141.43%	135.43%
% of Operating Profit	41.22%	21.39%
Other Income/Expense, Net	$1.110M	$195.0K
YoY Change	33.57%	-29.35%
Pretax Income	$25.09M	$62.75M
YoY Change	12.94%	30.85%
Income Tax	$6.816M	$16.59M
% Of Pretax Income	27.17%	26.43%
Net Earnings	$18.27M	$46.17M
YoY Change	13.25%	27.03%
Net Earnings / Revenue	10.99%	18.79%
Basic Earnings Per Share	$0.82	$2.07
Diluted Earnings Per Share	$0.82	$2.07
COMMON SHARES
Basic Shares Outstanding	22.27B shares	22.24M shares
Diluted Shares Outstanding	22.34M shares	22.31M shares

Balance Sheet

Concept	2024 Q2	2024 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$6.430M	$1.695M
YoY Change	54.23%	-44.7%
Cash & Equivalents	$6.430M	$1.695M
Short-Term Investments
Other Short-Term Assets	$3.236M	$3.228M
YoY Change	67.32%	413.2%
Inventory	$29.03M	$29.15M
Prepaid Expenses	$12.55M	$13.68M
Receivables	$54.17M	$68.30M
Other Receivables	$9.865M	$0.00
Total Short-Term Assets	$156.3M	$169.7M
YoY Change	14.26%	6.37%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.579B	$2.511B
YoY Change	37.84%	36.72%
Goodwill	$507.9M	$507.6M
YoY Change	998.95%	998.33%
Intangibles	$15.91M	$16.41M
YoY Change	-6.22%	-5.73%
Long-Term Investments	$13.62M	$13.22M
YoY Change	16.48%	21.67%
Other Assets	$83.79M	$86.17M
YoY Change	-12.84%	-14.07%
Total Long-Term Assets	$3.224B	$3.162B
YoY Change	55.94%	55.16%
TOTAL ASSETS
Total Short-Term Assets	$156.3M	$169.7M
Total Long-Term Assets	$3.224B	$3.162B
Total Assets	$3.381B	$3.332B
YoY Change	53.36%	51.62%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$69.04M	$63.06M
YoY Change	56.3%	65.1%
Accrued Expenses	$36.10M	$40.02M
YoY Change	18.17%	46.96%
Deferred Revenue	$619.0K	$710.0K
YoY Change	4.21%	4.11%
Short-Term Debt	$207.1M	$170.4M
YoY Change	116.18%	81.08%
Long-Term Debt Due	$18.59M	$18.51M
YoY Change	-7.01%	-13.86%
Total Short-Term Liabilities	$410.2M	$371.7M
YoY Change	60.76%	50.6%
LONG-TERM LIABILITIES
Long-Term Debt	$1.175B	$1.185B
YoY Change	81.92%	80.59%
Other Long-Term Liabilities	$1.355M	$1.364M
YoY Change	-4.04%	-2.08%
Total Long-Term Liabilities	$1.176B	$1.187B
YoY Change	81.74%	80.41%
TOTAL LIABILITIES
Total Short-Term Liabilities	$410.2M	$371.7M
Total Long-Term Liabilities	$1.176B	$1.187B
Total Liabilities	$1.586B	$1.558B
YoY Change	75.81%	72.28%
SHAREHOLDERS EQUITY
Retained Earnings	$525.5M	$521.7M
YoY Change	9.99%	10.48%
Common Stock	$766.6M	$761.0M
YoY Change	96.82%	95.95%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$9.703M	$9.562M
YoY Change	7.8%	8.46%
Treasury Stock Shares
Shareholders Equity	$1.291B	$1.281B
YoY Change
Total Liabilities & Shareholders Equity	$3.381B	$3.332B
YoY Change	53.36%	51.62%

Cashflow Statement

Concept	2024 Q2	2024 Q1
OPERATING ACTIVITIES
Net Income	$18.27M	$46.17M
YoY Change	13.25%	27.03%
Depreciation, Depletion And Amortization	$17.88M	$16.91M
YoY Change	3.32%	-1.59%
Cash From Operating Activities	$70.10M	$97.28M
YoY Change	4.13%	19.12%
INVESTING ACTIVITIES
Capital Expenditures	$82.45M	$75.51M
YoY Change	72.32%	78.02%
Acquisitions
YoY Change
Other Investing Activities	$2.588M	-$423.0K
YoY Change	71.39%	79.24%
Cash From Investing Activities	-$79.86M	-$74.71M
YoY Change	72.35%	75.16%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net		$1.973M
YoY Change		0.31%
Cash From Financing Activities	15.80M	-$25.78M
YoY Change	-179.52%	-38.84%
NET CHANGE
Cash From Operating Activities	70.10M	$97.28M
Cash From Investing Activities	-79.86M	-$74.71M
Cash From Financing Activities	15.80M	-$25.78M
Net Change In Cash	6.041M	-$3.209M
YoY Change	447.19%	2.23%
FREE CASH FLOW
Cash From Operating Activities	$70.10M	$97.28M
Capital Expenditures	$82.45M	$75.51M
Free Cash Flow	-$12.35M	$21.77M
YoY Change	-163.44%	-44.53%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2024Q1	dei	Trading Symbol TradingSymbol	CPK
CY2024Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000019745
CY2024Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2024Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2024Q1	dei	Document Type DocumentType	10-Q
CY2024Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
CY2024Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2024Q1	dei	Amendment Flag AmendmentFlag	false
CY2024Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2024Q1	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2024Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	22270177000	shares
CY2024Q1	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	168426000	usd
CY2024Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2024Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	47120000	usd
CY2024Q1	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	2470135000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	2418494000	usd
CY2024Q1	cpk	Unregulated Energy Property Plant And Equipment UnregulatedEnergyPropertyPlantAndEquipment	416833000	usd
CY2023Q4	cpk	Unregulated Energy Property Plant And Equipment UnregulatedEnergyPropertyPlantAndEquipment	410807000	usd
CY2024Q1	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	31606000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	30310000	usd
CY2024Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2918574000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2859611000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	516429000	usd
CY2024Q1	cpk	Construction Work In Progress ConstructionWorkInProgress	123338000	usd
CY2024Q1	dei	Entity Registrant Name EntityRegistrantName	CHESAPEAKE UTILITIES CORP
CY2024Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	22270177000	shares
CY2024Q1	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	4000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	3000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	0	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	0	usd
CY2024Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	534000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	7000	usd
CY2024Q1	cpk	Other Comprehensive Income Loss Unrealized Gain Loss On Interest Rate Swaps During Period Tax OtherComprehensiveIncomeLossUnrealizedGainLossOnInterestRateSwapsDuringPeriodTax	143000	usd
CY2023Q1	cpk	Other Comprehensive Income Loss Unrealized Gain Loss On Interest Rate Swaps During Period Tax OtherComprehensiveIncomeLossUnrealizedGainLossOnInterestRateSwapsDuringPeriodTax	-52000	usd
CY2024Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2450000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2699000	usd
CY2024Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	486.7
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.4867
CY2024Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000000	shares
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000000	shares
CY2024Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	2000000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	2000000000	shares
CY2024Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	10.00
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CY2024Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.5350
CY2024Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.5900
CY2024Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2024Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2024Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2024Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2024Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2024Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2024Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
CY2024Q1	cpk	Ratiosbasedonaverageofthepriorquarters Ratiosbasedonaverageofthepriorquarters	P1Y6M
CY2024Q1	cpk	Maximum Days To Make Default Good MaximumDaysToMakeDefaultGood	P5D
CY2022Q2	us-gaap	Notional Amount Of Nonderivative Instruments NotionalAmountOfNonderivativeInstruments	30000000	usd
CY2022Q2	cpk	Notional Amount Nonderivative Instruments Total NotionalAmountNonderivativeInstrumentsTotal	60000000	usd
CY2021Q1	us-gaap	Notional Amount Of Nonderivative Instruments NotionalAmountOfNonderivativeInstruments	40000000	usd
CY2024Q1	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	83103000	usd
CY2023Q1	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	83166000	usd
CY2024Q1	cpk	Other Operating Revenue OtherOperatingRevenue	-5785000	usd
CY2023Q1	cpk	Other Operating Revenue OtherOperatingRevenue	-7307000	usd
CY2024Q1	us-gaap	Revenues Revenues	245744000	usd
CY2023Q1	us-gaap	Revenues Revenues	218129000	usd
CY2024Q1	cpk	Regulated Energy Cost Of Sales RegulatedEnergyCostOfSales	49918000	usd
CY2023Q1	cpk	Regulated Energy Cost Of Sales RegulatedEnergyCostOfSales	55288000	usd
CY2024Q1	cpk	Unregulated Energy And Other Cost Of Sales UnregulatedEnergyAndOtherCostOfSales	31299000	usd
CY2023Q1	cpk	Unregulated Energy And Other Cost Of Sales UnregulatedEnergyAndOtherCostOfSales	33301000	usd
CY2024Q1	cpk	Operations Operations	51560000	usd
CY2023Q1	cpk	Operations Operations	44767000	usd
CY2024Q1	cpk	Transaction Related Expenses TransactionRelatedExpenses	921000	usd
CY2023Q1	cpk	Transaction Related Expenses TransactionRelatedExpenses	0	usd
CY2024Q1	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	5903000	usd
CY2023Q1	us-gaap	Operating Costs And Expenses OperatingCostsAndExpenses	5104000	usd
CY2024Q1	cpk	Depreciationand Amortization Costs DepreciationandAmortizationCosts	17016000	usd
CY2023Q1	cpk	Depreciationand Amortization Costs DepreciationandAmortizationCosts	17183000	usd
CY2024Q1	us-gaap	Taxes Other TaxesOther	9542000	usd
CY2023Q1	us-gaap	Taxes Other TaxesOther	7571000	usd
CY2024Q1	us-gaap	Operating Expenses OperatingExpenses	166159000	usd
CY2023Q1	us-gaap	Operating Expenses OperatingExpenses	163214000	usd
CY2024Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	79585000	usd
CY2023Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	54915000	usd
CY2024Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	195000	usd
CY2023Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	276000	usd
CY2024Q1	us-gaap	Interest Expense InterestExpense	17026000	usd
CY2023Q1	us-gaap	Interest Expense InterestExpense	7232000	usd
CY2024Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	62754000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	47959000	usd
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16586000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11615000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	46168000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	36344000	usd
CY2024Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22250000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17760000	shares
CY2024Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22306000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17832000	shares
CY2024Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.07
CY2023Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.05
CY2024Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.07
CY2023Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.04
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	46168000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	36344000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	4000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax	3000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	13000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	10000	usd
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CY2023Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	7000	usd
CY2024Q1	cpk	Other Comprehensive Income Loss Unrealized Gain Loss On Interest Rate Swaps During Period Tax OtherComprehensiveIncomeLossUnrealizedGainLossOnInterestRateSwapsDuringPeriodTax	143000	usd
CY2023Q1	cpk	Other Comprehensive Income Loss Unrealized Gain Loss On Interest Rate Swaps During Period Tax OtherComprehensiveIncomeLossUnrealizedGainLossOnInterestRateSwapsDuringPeriodTax	-52000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	952000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-604000	usd
CY2024Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	47120000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	35740000	usd
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CY2024Q1	cpk	Unregulated Energy Property Plant And Equipment UnregulatedEnergyPropertyPlantAndEquipment	416833000	usd
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CY2024Q1	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	31606000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	30310000	usd
CY2024Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2918574000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2859611000	usd
CY2024Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	530832000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	516429000	usd
CY2024Q1	cpk	Construction Work In Progress ConstructionWorkInProgress	123338000	usd
CY2023Q4	cpk	Construction Work In Progress ConstructionWorkInProgress	113192000	usd
CY2024Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2511080000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2456374000	usd
CY2024Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1695000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4904000	usd
CY2024Q1	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	70750000	usd
CY2023Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	74485000	usd
CY2024Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2450000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2699000	usd
CY2024Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	68300000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	71786000	usd
CY2024Q1	cpk	Accrued Revenue AccruedRevenue	28308000	usd
CY2023Q4	cpk	Accrued Revenue AccruedRevenue	32597000	usd
CY2024Q1	us-gaap	Energy Related Inventory Propane Gas EnergyRelatedInventoryPropaneGas	8367000	usd
CY2023Q4	us-gaap	Energy Related Inventory Propane Gas EnergyRelatedInventoryPropaneGas	9313000	usd
CY2024Q1	us-gaap	Other Inventory OtherInventory	19638000	usd
CY2023Q4	us-gaap	Other Inventory OtherInventory	19912000	usd
CY2024Q1	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	24289000	usd
CY2023Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	19506000	usd
CY2024Q1	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	1147000	usd
CY2023Q4	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	4695000	usd
CY2024Q1	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	0	usd
CY2023Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	3829000	usd
CY2024Q1	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	13681000	usd
CY2023Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	15407000	usd
CY2024Q1	us-gaap	Energy Marketing Contracts Assets Current EnergyMarketingContractsAssetsCurrent	1012000	usd
CY2023Q4	us-gaap	Energy Marketing Contracts Assets Current EnergyMarketingContractsAssetsCurrent	1027000	usd
CY2023Q4	us-gaap	Other Assets Current OtherAssetsCurrent	2723000	usd
CY2024Q1	us-gaap	Assets Current AssetsCurrent	169665000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	185699000	usd
CY2024Q1	us-gaap	Goodwill Goodwill	507573000	usd
CY2024Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	16414000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	16865000	usd
CY2024Q1	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	13221000	usd
CY2023Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	12282000	usd
CY2024Q1	us-gaap	Energy Marketing Contracts Assets Noncurrent EnergyMarketingContractsAssetsNoncurrent	126000	usd
CY2023Q4	us-gaap	Energy Marketing Contracts Assets Noncurrent EnergyMarketingContractsAssetsNoncurrent	40000	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	11719000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	12426000	usd
CY2024Q1	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	86039000	usd
CY2023Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	96396000	usd
CY2024Q1	cpk	Receivables And Other Deferred Charges ReceivablesAndOtherDeferredCharges	16047000	usd
CY2023Q4	cpk	Receivables And Other Deferred Charges ReceivablesAndOtherDeferredCharges	16448000	usd
CY2024Q1	cpk	Deferred Charges And Other Assets DeferredChargesAndOtherAssets	651139000	usd
CY2023Q4	cpk	Deferred Charges And Other Assets DeferredChargesAndOtherAssets	662631000	usd
CY2024Q1	us-gaap	Assets Assets	3331884000	usd
CY2023Q4	us-gaap	Assets Assets	3304704000	usd
CY2024Q1	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2024Q1	us-gaap	Common Stock Value CommonStockValue	10838000	usd
CY2023Q4	cpk	Construction Work In Progress ConstructionWorkInProgress	113192000	usd
CY2024Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2511080000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2456374000	usd
CY2024Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1695000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4904000	usd
CY2024Q1	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	70750000	usd
CY2023Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	74485000	usd
CY2024Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2450000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2699000	usd
CY2024Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	68300000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	71786000	usd
CY2024Q1	cpk	Accrued Revenue AccruedRevenue	28308000	usd
CY2023Q4	cpk	Accrued Revenue AccruedRevenue	32597000	usd
CY2024Q1	us-gaap	Energy Related Inventory Propane Gas EnergyRelatedInventoryPropaneGas	8367000	usd
CY2023Q4	us-gaap	Energy Related Inventory Propane Gas EnergyRelatedInventoryPropaneGas	9313000	usd
CY2024Q1	us-gaap	Other Inventory OtherInventory	19638000	usd
CY2023Q4	us-gaap	Other Inventory OtherInventory	19912000	usd
CY2024Q1	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	24289000	usd
CY2023Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	19506000	usd
CY2024Q1	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	1147000	usd
CY2023Q4	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	4695000	usd
CY2024Q1	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	0	usd
CY2023Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	3829000	usd
CY2024Q1	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	13681000	usd
CY2023Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	15407000	usd
CY2024Q1	us-gaap	Energy Marketing Contracts Assets Current EnergyMarketingContractsAssetsCurrent	1012000	usd
CY2023Q4	us-gaap	Energy Marketing Contracts Assets Current EnergyMarketingContractsAssetsCurrent	1027000	usd
CY2024Q1	us-gaap	Other Assets Current OtherAssetsCurrent	3228000	usd
CY2023Q4	us-gaap	Other Assets Current OtherAssetsCurrent	2723000	usd
CY2024Q1	us-gaap	Assets Current AssetsCurrent	169665000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	185699000	usd
CY2024Q1	us-gaap	Goodwill Goodwill	507573000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	508174000	usd
CY2024Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	16414000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	16865000	usd
CY2024Q1	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	13221000	usd
CY2023Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	12282000	usd
CY2024Q1	us-gaap	Energy Marketing Contracts Assets Noncurrent EnergyMarketingContractsAssetsNoncurrent	126000	usd
CY2023Q4	us-gaap	Energy Marketing Contracts Assets Noncurrent EnergyMarketingContractsAssetsNoncurrent	40000	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	11719000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	12426000	usd
CY2024Q1	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	86039000	usd
CY2023Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	96396000	usd
CY2024Q1	cpk	Receivables And Other Deferred Charges ReceivablesAndOtherDeferredCharges	16047000	usd
CY2023Q4	cpk	Receivables And Other Deferred Charges ReceivablesAndOtherDeferredCharges	16448000	usd
CY2024Q1	cpk	Deferred Charges And Other Assets DeferredChargesAndOtherAssets	651139000	usd
CY2023Q4	cpk	Deferred Charges And Other Assets DeferredChargesAndOtherAssets	662631000	usd
CY2024Q1	us-gaap	Assets Assets	3331884000	usd
CY2023Q4	us-gaap	Assets Assets	3304704000	usd
CY2024Q1	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2024Q1	us-gaap	Common Stock Value CommonStockValue	10838000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	10823000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	10823000	usd
CY2024Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	750162000	usd
CY2023Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	749356000	usd
CY2024Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	521689000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	488663000	usd
CY2024Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1786000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2738000	usd
CY2024Q1	us-gaap	Compensation And Benefits Trust CompensationAndBenefitsTrust	9562000	usd
CY2023Q4	us-gaap	Compensation And Benefits Trust CompensationAndBenefitsTrust	9050000	usd
CY2024Q1	us-gaap	Treasury Stock Value TreasuryStockValue	9562000	usd
CY2023Q4	us-gaap	Treasury Stock Value TreasuryStockValue	9050000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	1280903000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1246104000	usd
CY2024Q1	cpk	Longterm Debtand Capital Lease Obligations Netof Current Maturities LongtermDebtandCapitalLeaseObligationsNetofCurrentMaturities	1185166000	usd
CY2023Q4	cpk	Longterm Debtand Capital Lease Obligations Netof Current Maturities LongtermDebtandCapitalLeaseObligationsNetofCurrentMaturities	1187075000	usd
CY2024Q1	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	2466069000	usd
CY2023Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	2433179000	usd
CY2024Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	18511000	usd
CY2023Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	18505000	usd
CY2024Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	170355000	usd
CY2023Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	179853000	usd
CY2024Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	63058000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	77481000	usd
CY2024Q1	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	43682000	usd
CY2023Q4	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	46427000	usd
CY2024Q1	us-gaap	Interest Payable Current InterestPayableCurrent	17148000	usd
CY2023Q4	us-gaap	Interest Payable Current InterestPayableCurrent	7020000	usd
CY2024Q1	us-gaap	Dividends Payable Current DividendsPayableCurrent	13138000	usd
CY2023Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	13119000	usd
CY2024Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	7066000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	16544000	usd
CY2024Q1	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	21328000	usd
CY2023Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	13719000	usd
CY2024Q1	us-gaap	Taxes Payable Current TaxesPayableCurrent	818000	usd
CY2023Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	0	usd
CY2024Q1	us-gaap	Energy Marketing Contract Liabilities Current EnergyMarketingContractLiabilitiesCurrent	31000	usd
CY2023Q4	us-gaap	Energy Marketing Contract Liabilities Current EnergyMarketingContractLiabilitiesCurrent	354000	usd
CY2024Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	16520000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	13362000	usd
CY2024Q1	us-gaap	Liabilities Current LiabilitiesCurrent	371655000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	386384000	usd
CY2024Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	271335000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	259082000	usd
CY2024Q1	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	193030000	usd
CY2023Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	195279000	usd
CY2024Q1	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	2546000	usd
CY2023Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	2607000	usd
CY2024Q1	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	16010000	usd
CY2023Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	15330000	usd
CY2024Q1	us-gaap	Energy Marketing Contract Liabilities Noncurrent EnergyMarketingContractLiabilitiesNoncurrent	43000	usd
CY2023Q4	us-gaap	Energy Marketing Contract Liabilities Noncurrent EnergyMarketingContractLiabilitiesNoncurrent	927000	usd
CY2024Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	9832000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	10550000	usd
CY2024Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	750162000	usd
CY2023Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	749356000	usd
CY2024Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	521689000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	488663000	usd
CY2024Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1786000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2738000	usd
CY2024Q1	us-gaap	Compensation And Benefits Trust CompensationAndBenefitsTrust	9562000	usd
CY2023Q4	us-gaap	Compensation And Benefits Trust CompensationAndBenefitsTrust	9050000	usd
CY2024Q1	us-gaap	Treasury Stock Value TreasuryStockValue	9562000	usd
CY2023Q4	us-gaap	Treasury Stock Value TreasuryStockValue	9050000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	1280903000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1246104000	usd
CY2024Q1	cpk	Longterm Debtand Capital Lease Obligations Netof Current Maturities LongtermDebtandCapitalLeaseObligationsNetofCurrentMaturities	1185166000	usd
CY2023Q4	cpk	Longterm Debtand Capital Lease Obligations Netof Current Maturities LongtermDebtandCapitalLeaseObligationsNetofCurrentMaturities	1187075000	usd
CY2024Q1	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	2466069000	usd
CY2023Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	2433179000	usd
CY2024Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	18511000	usd
CY2023Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	18505000	usd
CY2024Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	170355000	usd
CY2024Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	63058000	usd
CY2024Q1	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	43682000	usd
CY2023Q4	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	46427000	usd
CY2024Q1	us-gaap	Interest Payable Current InterestPayableCurrent	17148000	usd
CY2023Q4	us-gaap	Interest Payable Current InterestPayableCurrent	7020000	usd
CY2024Q1	us-gaap	Dividends Payable Current DividendsPayableCurrent	13138000	usd
CY2023Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	13119000	usd
CY2024Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	7066000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	16544000	usd
CY2024Q1	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	21328000	usd
CY2023Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	13719000	usd
CY2024Q1	us-gaap	Taxes Payable Current TaxesPayableCurrent	818000	usd
CY2023Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	0	usd
CY2024Q1	us-gaap	Energy Marketing Contract Liabilities Current EnergyMarketingContractLiabilitiesCurrent	31000	usd
CY2023Q4	us-gaap	Energy Marketing Contract Liabilities Current EnergyMarketingContractLiabilitiesCurrent	354000	usd
CY2024Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	16520000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	13362000	usd
CY2024Q1	us-gaap	Liabilities Current LiabilitiesCurrent	371655000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	386384000	usd
CY2024Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	271335000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	259082000	usd
CY2024Q1	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	193030000	usd
CY2023Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	195279000	usd
CY2024Q1	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	2546000	usd
CY2023Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	2607000	usd
CY2024Q1	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	16010000	usd
CY2023Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	15330000	usd
CY2024Q1	us-gaap	Energy Marketing Contract Liabilities Noncurrent EnergyMarketingContractLiabilitiesNoncurrent	43000	usd
CY2023Q4	us-gaap	Energy Marketing Contract Liabilities Noncurrent EnergyMarketingContractLiabilitiesNoncurrent	927000	usd
CY2024Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	9832000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	10550000	usd
CY2024Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1364000	usd
CY2024Q1	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	494160000	usd
CY2023Q4	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	485141000	usd
CY2024Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1364000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1366000	usd
CY2024Q1	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	494160000	usd
CY2023Q4	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	485141000	usd
CY2024Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2024Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3331884000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3304704000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	46168000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	36344000	usd
CY2024Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	16909000	usd
CY2023Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	17183000	usd
CY2024Q1	cpk	Depreciation And Accretion Included In Other Costs DepreciationAndAccretionIncludedInOtherCosts	4016000	usd
CY2023Q1	cpk	Depreciation And Accretion Included In Other Costs DepreciationAndAccretionIncludedInOtherCosts	2834000	usd
CY2024Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11905000	usd
CY2024Q1	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	1811000	usd
CY2023Q1	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	284000	usd
CY2024Q1	us-gaap	Unrealized Gain Loss On Commodity Contracts UnrealizedGainLossOnCommodityContracts	830000	usd
CY2023Q1	us-gaap	Unrealized Gain Loss On Commodity Contracts UnrealizedGainLossOnCommodityContracts	551000	usd
CY2024Q1	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	-24000	usd
CY2023Q1	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	119000	usd
CY2024Q1	us-gaap	Share Based Compensation ShareBasedCompensation	2113000	usd
CY2023Q1	us-gaap	Share Based Compensation ShareBasedCompensation	2408000	usd
CY2024Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-7806000	usd
CY2023Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-5641000	usd
CY2024Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-4769000	usd
CY2023Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-5373000	usd
CY2024Q1	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-10059000	usd
CY2023Q1	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-24607000	usd
CY2024Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2572000	usd
CY2023Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-3985000	usd
CY2024Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-10114000	usd
CY2023Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-21166000	usd
CY2024Q1	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-4647000	usd
CY2023Q1	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-10095000	usd
CY2023Q1	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-476000	usd
CY2024Q1	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-9480000	usd
CY2023Q1	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-8436000	usd
CY2024Q1	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	10127000	usd
CY2023Q1	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	1500000	usd
CY2024Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-1195000	usd
CY2023Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-38000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	97282000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	81667000	usd
CY2024Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	75512000	usd
CY2023Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	42418000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	250000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	506000	usd
CY2024Q1	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	-612000	usd
CY2023Q1	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	usd
CY2024Q1	cpk	Payments For Environmental Expenditures PaymentsForEnvironmentalExpenditures	61000	usd
CY2023Q1	cpk	Payments For Environmental Expenditures PaymentsForEnvironmentalExpenditures	742000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-74711000	usd
CY2024Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2024Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3331884000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3304704000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	36344000	usd
CY2024Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	16909000	usd
CY2023Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	17183000	usd
CY2024Q1	cpk	Depreciation And Accretion Included In Other Costs DepreciationAndAccretionIncludedInOtherCosts	4016000	usd
CY2023Q1	cpk	Depreciation And Accretion Included In Other Costs DepreciationAndAccretionIncludedInOtherCosts	2834000	usd
CY2024Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11905000	usd
CY2023Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2453000	usd
CY2024Q1	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	1811000	usd
CY2023Q1	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	284000	usd
CY2024Q1	us-gaap	Unrealized Gain Loss On Commodity Contracts UnrealizedGainLossOnCommodityContracts	830000	usd
CY2023Q1	us-gaap	Unrealized Gain Loss On Commodity Contracts UnrealizedGainLossOnCommodityContracts	551000	usd
CY2024Q1	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	-24000	usd
CY2023Q1	us-gaap	Employee Benefits And Share Based Compensation EmployeeBenefitsAndShareBasedCompensation	119000	usd
CY2024Q1	us-gaap	Share Based Compensation ShareBasedCompensation	2113000	usd
CY2023Q1	us-gaap	Share Based Compensation ShareBasedCompensation	2408000	usd
CY2024Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-7806000	usd
CY2023Q1	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-5641000	usd
CY2024Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-4769000	usd
CY2023Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-5373000	usd
CY2024Q1	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-10059000	usd
CY2023Q1	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-24607000	usd
CY2024Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2572000	usd
CY2023Q1	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-3985000	usd
CY2024Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-10114000	usd
CY2023Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-21166000	usd
CY2024Q1	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-4647000	usd
CY2023Q1	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-10095000	usd
CY2024Q1	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-2745000	usd
CY2023Q1	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-476000	usd
CY2024Q1	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-9480000	usd
CY2023Q1	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-8436000	usd
CY2024Q1	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	10127000	usd
CY2023Q1	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	1500000	usd
CY2024Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-1195000	usd
CY2023Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-38000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	97282000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	81667000	usd
CY2024Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	75512000	usd
CY2023Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	42418000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	250000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	506000	usd
CY2024Q1	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	-612000	usd
CY2024Q1	cpk	Payments For Environmental Expenditures PaymentsForEnvironmentalExpenditures	61000	usd
CY2023Q1	cpk	Payments For Environmental Expenditures PaymentsForEnvironmentalExpenditures	742000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-74711000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-42654000	usd
CY2024Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	12884000	usd
CY2023Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	9492000	usd
CY2024Q1	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	41000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-42654000	usd
CY2024Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	12884000	usd
CY2023Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	9492000	usd
CY2024Q1	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	41000	usd
CY2023Q1	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	0	usd
CY2023Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2455000	usd
CY2024Q1	us-gaap	Increase Decrease In Outstanding Checks Financing Activities IncreaseDecreaseInOutstandingChecksFinancingActivities	715000	usd
CY2023Q1	us-gaap	Increase Decrease In Outstanding Checks Financing Activities IncreaseDecreaseInOutstandingChecksFinancingActivities	-323000	usd
CY2024Q1	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-10213000	usd
CY2023Q1	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-107755000	usd
CY2023Q1	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	-79840000	usd
CY2024Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1973000	usd
CY2023Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1967000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-42152000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-3209000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-3139000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4904000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6204000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1695000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3065000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	832801000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	36344000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-604000	usd
CY2023Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.535
CY2023Q1	us-gaap	Dividends Dividends	9644000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-11000	usd
CY2023Q1	cpk	Treasury Stock Activity And Deferred Compensation Plan Activity During Period Value TreasuryStockActivityAndDeferredCompensationPlanActivityDuringPeriodValue	-298000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	858588000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1246104000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	46168000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	952000	usd
CY2024Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.590
CY2024Q1	us-gaap	Dividends Dividends	13142000	usd
CY2024Q1	cpk	Stock Issued During The Period Value Retirement Savings Plan And Dividend Reinvestment Plan StockIssuedDuringThePeriodValueRetirementSavingsPlanAndDividendReinvestmentPlan	273000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	548000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	1280903000	usd
CY2024Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	2000000	shares
CY2024Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	10.00
CY2024Q1	cpk	Shares Held In Trust For Deferred Compensation Plan SharesHeldInTrustForDeferredCompensationPlan	111000	shares
CY2023Q4	cpk	Shares Held In Trust For Deferred Compensation Plan SharesHeldInTrustForDeferredCompensationPlan	108000	shares
CY2023Q1	cpk	Shares Held In Trust For Deferred Compensation Plan SharesHeldInTrustForDeferredCompensationPlan	110000	shares
CY2022Q4	cpk	Shares Held In Trust For Deferred Compensation Plan SharesHeldInTrustForDeferredCompensationPlan	108000	shares
CY2024Q1	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	14000	shares
CY2023Q1	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	20000	shares
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.05
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	46168000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	36344000	usd
CY2024Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22250000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17760000	shares
CY2024Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	56000	shares
CY2023Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	72000	shares
CY2024Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22306000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17832000	shares
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.04
CY2023Q1	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	0	usd
CY2024Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1466000	usd
CY2023Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2455000	usd
CY2024Q1	us-gaap	Increase Decrease In Outstanding Checks Financing Activities IncreaseDecreaseInOutstandingChecksFinancingActivities	715000	usd
CY2023Q1	us-gaap	Increase Decrease In Outstanding Checks Financing Activities IncreaseDecreaseInOutstandingChecksFinancingActivities	-323000	usd
CY2024Q1	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-10213000	usd
CY2023Q1	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-107755000	usd
CY2024Q1	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2023Q1	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	-79840000	usd
CY2024Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1973000	usd
CY2023Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1967000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-25780000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-42152000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-3209000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-3139000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4904000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6204000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1695000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3065000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	832801000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	36344000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-604000	usd
CY2023Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.535
CY2023Q1	us-gaap	Dividends Dividends	9644000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-11000	usd
CY2023Q1	cpk	Treasury Stock Activity And Deferred Compensation Plan Activity During Period Value TreasuryStockActivityAndDeferredCompensationPlanActivityDuringPeriodValue	-298000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	858588000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1246104000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	46168000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	952000	usd
CY2024Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.590
CY2024Q1	us-gaap	Dividends Dividends	13142000	usd
CY2024Q1	cpk	Stock Issued During The Period Value Retirement Savings Plan And Dividend Reinvestment Plan StockIssuedDuringThePeriodValueRetirementSavingsPlanAndDividendReinvestmentPlan	273000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	1280903000	usd
CY2024Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	2000000	shares
CY2024Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	10.00
CY2024Q1	cpk	Shares Held In Trust For Deferred Compensation Plan SharesHeldInTrustForDeferredCompensationPlan	111000	shares
CY2023Q4	cpk	Shares Held In Trust For Deferred Compensation Plan SharesHeldInTrustForDeferredCompensationPlan	108000	shares
CY2023Q1	cpk	Shares Held In Trust For Deferred Compensation Plan SharesHeldInTrustForDeferredCompensationPlan	110000	shares
CY2022Q4	cpk	Shares Held In Trust For Deferred Compensation Plan SharesHeldInTrustForDeferredCompensationPlan	108000	shares
CY2024Q1	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	14000	shares
CY2023Q1	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	20000	shares
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.05
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	46168000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	36344000	usd
CY2024Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22250000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17760000	shares
CY2024Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	56000	shares
CY2023Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	72000	shares
CY2024Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22306000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17832000	shares
CY2024Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.07
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.04
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	46168000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	36344000	usd
CY2024Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22250000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17760000	shares
CY2024Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.07
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	46168000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	36344000	usd
CY2024Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22250000	shares
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17760000	shares
CY2024Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.07
CY2024Q4	us-gaap	Equity Issued In Business Combination Fair Value Disclosure EquityIssuedInBusinessCombinationFairValueDisclosure	366400000	usd
CY2024Q4	us-gaap	Business Acquisition Cost Of Acquired Entity Transaction Costs BusinessAcquisitionCostOfAcquiredEntityTransactionCosts	4100000	usd
CY2024Q1	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	15900000	usd
CY2024Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	245744000	usd
CY2023Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	218129000	usd
CY2023Q4	us-gaap	Receivables From Customers ReceivablesFromCustomers	67741000	usd
CY2023Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	18000	usd
CY2023Q4	us-gaap	Contract With Customer Asset Net Noncurrent ContractWithCustomerAssetNetNoncurrent	3524000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1022000	usd
CY2024Q1	us-gaap	Receivables From Customers ReceivablesFromCustomers	61497000	usd
CY2024Q1	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	18000	usd
CY2024Q1	us-gaap	Contract With Customer Asset Net Noncurrent ContractWithCustomerAssetNetNoncurrent	3370000	usd
CY2024Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	710000	usd
CY2024Q1	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-6244000	usd
CY2024Q1	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	0	usd
CY2024Q1	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-154000	usd
CY2024Q1	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-312000	usd
CY2024Q4	cpk	Rsam RSAM	25000000	usd
CY2024Q1	cpk	Gas Utility Access And Replacement Directive Related Capital Expenditures GasUtilityAccessAndReplacementDirectiveRelatedCapitalExpenditures	205000000	usd
CY2024Q1	cpk	Number Of Miles Of Distribution Mains NumberOfMilesOfDistributionMains	150
CY2023Q1	cpk	Number Of Miles Of Distribution Mains NumberOfMilesOfDistributionMains	160
CY2024Q4	us-gaap	Equity Issued In Business Combination Fair Value Disclosure EquityIssuedInBusinessCombinationFairValueDisclosure	366400000	usd
CY2024Q1	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	550000000	usd
CY2024Q4	us-gaap	Business Acquisition Cost Of Acquired Entity Transaction Costs BusinessAcquisitionCostOfAcquiredEntityTransactionCosts	4100000	usd
CY2024Q1	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	15900000	usd
CY2024Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	245744000	usd
CY2023Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	218129000	usd
CY2023Q4	us-gaap	Receivables From Customers ReceivablesFromCustomers	67741000	usd
CY2023Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	18000	usd
CY2023Q4	us-gaap	Contract With Customer Asset Net Noncurrent ContractWithCustomerAssetNetNoncurrent	3524000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1022000	usd
CY2024Q1	us-gaap	Receivables From Customers ReceivablesFromCustomers	61497000	usd
CY2024Q1	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	18000	usd
CY2024Q1	us-gaap	Contract With Customer Asset Net Noncurrent ContractWithCustomerAssetNetNoncurrent	3370000	usd
CY2024Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	710000	usd
CY2024Q1	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-6244000	usd
CY2024Q1	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	0	usd
CY2024Q1	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-154000	usd
CY2024Q1	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-312000	usd
CY2024Q4	cpk	Rsam RSAM	25000000	usd
CY2024Q1	cpk	Gas Utility Access And Replacement Directive Related Capital Expenditures GasUtilityAccessAndReplacementDirectiveRelatedCapitalExpenditures	205000000	usd
CY2024Q1	cpk	Number Of Miles Of Distribution Mains NumberOfMilesOfDistributionMains	150
CY2023Q1	cpk	Number Of Miles Of Distribution Mains NumberOfMilesOfDistributionMains	160
CY2024Q1	cpk	Safety Access And Facility Enhancement Capital Expenditures SafetyAccessAndFacilityEnhancementCapitalExpenditures	205000000	usd
CY2024Q1	cpk	Safety Access And Facility Enhancement Additional Capital Expenditures SafetyAccessAndFacilityEnhancementAdditionalCapitalExpenditures	50000000	usd
CY2024Q1	cpk	Total Projected Capital Expenditures TotalProjectedCapitalExpenditures	255000000	usd
CY2024Q1	us-gaap	Regulatory Liabilities RegulatoryLiabilities	-85500000	usd
CY2023Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	85800000	usd
CY2024Q1	cpk	Companys Exposure In Number Of Former Manufactured Gas Plant Sites CompanysExposureInNumberOfFormerManufacturedGasPlantSites	7	site
CY2024Q1	cpk	Debt Service Coverage Ratio DebtServiceCoverageRatio	1.25
CY2024Q1	cpk	Debt Service Coverage Ratio Measurement Period DebtServiceCoverageRatioMeasurementPeriod	12
CY2024Q1	cpk	Ratiobasedonaveragenumberofpriorquarters Ratiobasedonaveragenumberofpriorquarters	6
CY2024Q1	cpk	Minimum Interest Coverage Ratio Under Agreement Two MinimumInterestCoverageRatioUnderAgreementTwo	2
CY2024Q1	cpk	Maximum Debt To Net Capital Ratio Under Agreement Two MaximumDebtToNetCapitalRatioUnderAgreementTwo	0.65
CY2024Q1	cpk	Number Of Years For Power Purchase Agreement NumberOfYearsForPowerPurchaseAgreement	P20Y
CY2024Q1	cpk	Contract Duration ContractDuration	P20Y
CY2024Q1	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	35000000	usd
CY2024Q1	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	24400000	usd
CY2024Q1	cpk	Standby Letters Of Credit StandbyLettersOfCredit	7000000	usd
CY2024Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2
CY2024Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	79585000	usd
CY2023Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	54915000	usd
CY2024Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	195000	usd
CY2023Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	276000	usd
CY2024Q1	us-gaap	Interest Expense InterestExpense	17026000	usd
CY2023Q1	us-gaap	Interest Expense InterestExpense	7232000	usd
CY2024Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	62754000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	47959000	usd
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16586000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11615000	usd
CY2024Q1	us-gaap	Assets Assets	3331884000	usd
CY2023Q4	us-gaap	Assets Assets	3304704000	usd
CY2024Q4	us-gaap	Equity Issued In Business Combination Fair Value Disclosure EquityIssuedInBusinessCombinationFairValueDisclosure	366400000	usd
CY2023Q1	us-gaap	Proceeds From Issuance Of Common Stock Dividend Reinvestment Plan ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan	100000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2738000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	1858000	usd
CY2024Q1	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	906000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	952000	usd
CY2024Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1786000	usd
CY2024Q1	cpk	Safety Access And Facility Enhancement Capital Expenditures SafetyAccessAndFacilityEnhancementCapitalExpenditures	205000000	usd
CY2024Q1	cpk	Safety Access And Facility Enhancement Additional Capital Expenditures SafetyAccessAndFacilityEnhancementAdditionalCapitalExpenditures	50000000	usd
CY2024Q1	cpk	Total Projected Capital Expenditures TotalProjectedCapitalExpenditures	255000000	usd
CY2024Q1	us-gaap	Regulatory Liabilities RegulatoryLiabilities	-85500000	usd
CY2023Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	85800000	usd
CY2024Q1	cpk	Companys Exposure In Number Of Former Manufactured Gas Plant Sites CompanysExposureInNumberOfFormerManufacturedGasPlantSites	7	site
CY2024Q1	cpk	Debt Service Coverage Ratio DebtServiceCoverageRatio	1.25
CY2024Q1	cpk	Debt Service Coverage Ratio Measurement Period DebtServiceCoverageRatioMeasurementPeriod	12
CY2024Q1	cpk	Ratiobasedonaveragenumberofpriorquarters Ratiobasedonaveragenumberofpriorquarters	6
CY2024Q1	cpk	Minimum Interest Coverage Ratio Under Agreement Two MinimumInterestCoverageRatioUnderAgreementTwo	2
CY2024Q1	cpk	Maximum Debt To Net Capital Ratio Under Agreement Two MaximumDebtToNetCapitalRatioUnderAgreementTwo	0.65
CY2024Q1	cpk	Number Of Years For Power Purchase Agreement NumberOfYearsForPowerPurchaseAgreement	P20Y
CY2024Q1	cpk	Contract Duration ContractDuration	P20Y
CY2024Q1	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	35000000	usd
CY2024Q1	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	24400000	usd
CY2024Q1	cpk	Standby Letters Of Credit StandbyLettersOfCredit	7000000	usd
CY2024Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2
CY2024Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	79585000	usd
CY2023Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	54915000	usd
CY2024Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	195000	usd
CY2023Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	276000	usd
CY2023Q1	us-gaap	Interest Expense InterestExpense	7232000	usd
CY2024Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	62754000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	47959000	usd
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16586000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11615000	usd
CY2024Q1	us-gaap	Assets Assets	3331884000	usd
CY2023Q4	us-gaap	Assets Assets	3304704000	usd
CY2024Q4	us-gaap	Equity Issued In Business Combination Fair Value Disclosure EquityIssuedInBusinessCombinationFairValueDisclosure	366400000	usd
CY2023Q1	us-gaap	Proceeds From Issuance Of Common Stock Dividend Reinvestment Plan ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan	100000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2738000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	1858000	usd
CY2024Q1	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	906000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	952000	usd
CY2024Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1786000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1379000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1379000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-126000	usd
CY2023Q1	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	478000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-604000	usd
CY2023Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1983000	usd
CY2024Q1	us-gaap	Other Postretirement Benefits Payments OtherPostretirementBenefitsPayments	1000000	usd
CY2024Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2113000	usd
CY2023Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2408000	usd
CY2024Q1	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	540000	usd
CY2023Q1	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	622000	usd
CY2024Q1	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	1573000	usd
CY2023Q1	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	1786000	usd
CY2024Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	14200000	usd
CY2024Q1	us-gaap	Notional Amount Of Nonderivative Instruments NotionalAmountOfNonderivativeInstruments	50000000	usd
CY2024Q1	cpk	Energy Marketing Contracts Assets Total EnergyMarketingContractsAssetsTotal	1138000	usd
CY2023Q4	cpk	Energy Marketing Contracts Assets Total EnergyMarketingContractsAssetsTotal	1067000	usd
CY2024Q1	us-gaap	Energy Marketing Contracts Assets Current EnergyMarketingContractsAssetsCurrent	1000000	usd
CY2024Q1	cpk	Energy Marketing Contract Liabilities Total EnergyMarketingContractLiabilitiesTotal	74000	usd
CY2023Q4	cpk	Energy Marketing Contract Liabilities Total EnergyMarketingContractLiabilitiesTotal	1281000	usd
CY2023Q4	us-gaap	Energy Marketing Contract Liabilities Current EnergyMarketingContractLiabilitiesCurrent	400000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-126000	usd
CY2023Q1	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	478000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-604000	usd
CY2023Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1983000	usd
CY2024Q1	us-gaap	Other Postretirement Benefits Payments OtherPostretirementBenefitsPayments	1000000	usd
CY2024Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2113000	usd
CY2023Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2408000	usd
CY2024Q1	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	540000	usd
CY2023Q1	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	622000	usd
CY2024Q1	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	1573000	usd
CY2023Q1	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	1786000	usd
CY2024Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	14200000	usd
CY2024Q1	us-gaap	Notional Amount Of Nonderivative Instruments NotionalAmountOfNonderivativeInstruments	50000000	usd
CY2024Q1	cpk	Energy Marketing Contracts Assets Total EnergyMarketingContractsAssetsTotal	1138000	usd
CY2023Q4	cpk	Energy Marketing Contracts Assets Total EnergyMarketingContractsAssetsTotal	1067000	usd
CY2024Q1	us-gaap	Energy Marketing Contracts Assets Current EnergyMarketingContractsAssetsCurrent	1000000	usd
CY2024Q1	cpk	Energy Marketing Contract Liabilities Total EnergyMarketingContractLiabilitiesTotal	74000	usd
CY2023Q4	cpk	Energy Marketing Contract Liabilities Total EnergyMarketingContractLiabilitiesTotal	1281000	usd
CY2023Q4	us-gaap	Energy Marketing Contract Liabilities Current EnergyMarketingContractLiabilitiesCurrent	400000	usd
CY2024Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	1256000	usd
CY2023Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	671000	usd
CY2024Q1	cpk	Energy Marketing Contract Liabilities Total EnergyMarketingContractLiabilitiesTotal	74000	usd
CY2024Q1	cpk	Energy Marketing Contract Liabilities Total EnergyMarketingContractLiabilitiesTotal	74000	usd
CY2023Q4	cpk	Energy Marketing Contract Liabilities Total EnergyMarketingContractLiabilitiesTotal	1281000	usd
CY2024Q1	us-gaap	Long Term Debt LongTermDebt	1200000000	usd
CY2024Q1	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	1100000000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	1200000000	usd
CY2023Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	1200000000	usd
CY2024Q1	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	3682000	usd
CY2023Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	3753000	usd
CY2024Q1	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1203677000	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1205580000	usd
CY2024Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	18511000	usd
CY2023Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	18505000	usd
CY2024Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1185166000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1187075000	usd
CY2024Q1	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	550000000	usd
CY2024Q1	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.0654
CY2024Q1	us-gaap	Debt Instrument Unused Borrowing Capacity Amount DebtInstrumentUnusedBorrowingCapacityAmount	255000000	usd
CY2024Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	170400000	usd
CY2023Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	179900000	usd
CY2024Q1	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0583
CY2024Q1	us-gaap	Ratio Of Indebtedness To Net Capital1 RatioOfIndebtednessToNetCapital1	0.65
CY2023Q4	us-gaap	Ratio Of Indebtedness To Net Capital1 RatioOfIndebtednessToNetCapital1	0.70
CY2024Q1	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	197600000	usd
CY2024Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	736000	usd
CY2023Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	788000	usd
CY2024Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	1256000	usd
CY2023Q1	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	671000	usd
CY2024Q1	cpk	Energy Marketing Contract Liabilities Total EnergyMarketingContractLiabilitiesTotal	74000	usd
CY2024Q1	cpk	Energy Marketing Contract Liabilities Total EnergyMarketingContractLiabilitiesTotal	74000	usd
CY2023Q4	cpk	Energy Marketing Contract Liabilities Total EnergyMarketingContractLiabilitiesTotal	1281000	usd
CY2024Q1	us-gaap	Long Term Debt LongTermDebt	1200000000	usd
CY2024Q1	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	1100000000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	1200000000	usd
CY2023Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	1200000000	usd
CY2024Q1	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	3682000	usd
CY2023Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	3753000	usd
CY2024Q1	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1203677000	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1205580000	usd
CY2024Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	18511000	usd
CY2023Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	18505000	usd
CY2024Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1185166000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1187075000	usd
CY2024Q1	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	550000000	usd
CY2024Q1	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.0654
CY2024Q1	us-gaap	Debt Instrument Unused Borrowing Capacity Amount DebtInstrumentUnusedBorrowingCapacityAmount	255000000	usd
CY2024Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	170400000	usd
CY2023Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	179900000	usd
CY2024Q1	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0583
CY2024Q1	us-gaap	Ratio Of Indebtedness To Net Capital1 RatioOfIndebtednessToNetCapital1	0.65
CY2023Q4	us-gaap	Ratio Of Indebtedness To Net Capital1 RatioOfIndebtednessToNetCapital1	0.70
CY2024Q1	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	197600000	usd
CY2024Q1	cpk	Standby Letters Of Credit StandbyLettersOfCredit	7000000	usd
CY2024Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	736000	usd
CY2023Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	788000	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	11719000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	12426000	usd
CY2024Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2479000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2454000	usd
CY2024Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	9832000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	10550000	usd
CY2024Q1	cpk	Total Operatingand Finance Lease Liabilities TotalOperatingandFinanceLeaseLiabilities	12311000	usd
CY2023Q4	cpk	Total Operatingand Finance Lease Liabilities TotalOperatingandFinanceLeaseLiabilities	13004000	usd
CY2024Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y
CY2024Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.035
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.035
CY2024Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	724000	usd
CY2023Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	722000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2128000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	2302000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1767000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1531000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1152000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1092000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	4066000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	14038000	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	11719000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	12426000	usd
CY2024Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2479000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2454000	usd
CY2024Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	9832000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	10550000	usd
CY2024Q1	cpk	Total Operatingand Finance Lease Liabilities TotalOperatingandFinanceLeaseLiabilities	12311000	usd
CY2023Q4	cpk	Total Operatingand Finance Lease Liabilities TotalOperatingandFinanceLeaseLiabilities	13004000	usd
CY2024Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	724000	usd
CY2023Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	722000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2128000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	2302000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1767000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1152000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1092000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	4066000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	14038000	usd
CY2024Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	12311000	usd
CY2024Q1	cpk	Lessee Future Operating Lease Option Payments LesseeFutureOperatingLeaseOptionPayments	2100000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	-1727000	usd
CY2024Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	12311000	usd
CY2024Q1	cpk	Lessee Future Operating Lease Option Payments LesseeFutureOperatingLeaseOptionPayments	2100000	usd

Files In Submission

Name	View Source	Status
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0001628280-24-021732-index.html	Edgar Link	pending
0001628280-24-021732.txt	Edgar Link	pending
0001628280-24-021732-xbrl.zip	Edgar Link	pending
cpk-20240331.htm	Edgar Link	pending
cpk-20240331.xsd	Edgar Link	pending
cpk3312024ex-101.htm	Edgar Link	pending
cpk-20240331_cal.xml	Edgar Link	unprocessable
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$CPK
CHESAPEAKE UTILITIES CORP Stock $cpk

2024 Q2 Form 10-Q Financial Statement

#000162828024021732 Filed on May 08, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CPK CHESAPEAKE UTILITIES CORP Stock $cpk

2024 Q2 Form 10-Q Financial Statement

#000162828024021732 Filed on May 08, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CPK
CHESAPEAKE UTILITIES CORP Stock $cpk