2023 Q3 Form 10-Q Financial Statement

#000173399823000042 Filed on August 03, 2023

View on sec.gov

Income Statement

Concept 2023 Q3 2023 Q2
Revenue $141.5M $237.9M
YoY Change 21.09% 22.0%
Cost Of Revenue $54.70M $111.6M
YoY Change 34.93% 26.9%
Gross Profit $86.78M $126.2M
YoY Change 13.73% 17.98%
Gross Profit Margin 61.33% 53.07%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization $30.06M $31.29M
YoY Change 3.57% 11.32%
% of Gross Profit 34.64% 24.79%
Operating Expenses $159.1M $112.4M
YoY Change 20.71% -38.05%
Operating Profit -$17.58M $13.84M
YoY Change 17.75% 2.25%
Interest Expense -$19.41M -$18.97M
YoY Change 48.66% 63.85%
% of Operating Profit -137.07%
Other Income/Expense, Net $5.004M $6.618M
YoY Change 205.87% 2828.32%
Pretax Income -$31.98M $1.487M
YoY Change 21.39% -31.95%
Income Tax -$8.292M $243.0K
% Of Pretax Income 16.34%
Net Earnings -$23.69M $1.244M
YoY Change 20.93% -27.46%
Net Earnings / Revenue -16.74% 0.52%
Basic Earnings Per Share -$0.65 $0.03
Diluted Earnings Per Share -$0.65 $0.03
COMMON SHARES
Basic Shares Outstanding 36.07M shares 35.97M shares
Diluted Shares Outstanding 36.21M shares 36.06M shares

Balance Sheet

Concept 2023 Q3 2023 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments $156.6M $137.8M
YoY Change 44.27% 700.51%
Cash & Equivalents $156.6M $137.8M
Short-Term Investments
Other Short-Term Assets $49.95M $182.0M
YoY Change 20.6% 404.61%
Inventory $94.59M $67.50M
Prepaid Expenses
Receivables $49.69M $70.63M
Other Receivables $0.00 $0.00
Total Short-Term Assets $507.4M $457.9M
YoY Change 5.33% 27.9%
LONG-TERM ASSETS
Property, Plant & Equipment $3.279B $3.415B
YoY Change 7.81% 14.64%
Goodwill $152.4M $152.7M
YoY Change 104.02% 115.98%
Intangibles
YoY Change
Long-Term Investments $104.6M $104.3M
YoY Change 8.28% 8.65%
Other Assets $100.8M $406.9M
YoY Change 14.33% 437.58%
Total Long-Term Assets $4.158B $4.079B
YoY Change 8.87% 8.99%
TOTAL ASSETS
Total Short-Term Assets $507.4M $457.9M
Total Long-Term Assets $4.158B $4.079B
Total Assets $4.665B $4.537B
YoY Change 8.47% 10.64%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $99.33M $101.4M
YoY Change -16.02% -25.11%
Accrued Expenses $15.76M $13.18M
YoY Change 26.58% 50.74%
Deferred Revenue
YoY Change
Short-Term Debt $71.00M $41.00M
YoY Change -49.65% -81.59%
Long-Term Debt Due $190.7M $240.7M
YoY Change 276.83% 68479.49%
Total Short-Term Liabilities $590.1M $570.9M
YoY Change 15.39% 5.87%
LONG-TERM LIABILITIES
Long-Term Debt $1.425B $1.295B
YoY Change 10.69% 23.82%
Other Long-Term Liabilities $127.2M $1.051B
YoY Change 14.79% 840.75%
Total Long-Term Liabilities $1.552B $2.345B
YoY Change 11.02% 102.68%
TOTAL LIABILITIES
Total Short-Term Liabilities $590.1M $570.9M
Total Long-Term Liabilities $1.552B $2.345B
Total Liabilities $2.142B $3.296B
YoY Change 12.19% 94.3%
SHAREHOLDERS EQUITY
Retained Earnings $373.2M $414.4M
YoY Change 8.0% 8.49%
Common Stock $851.3M $831.1M
YoY Change 8.29% 8.25%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $1.220B $1.240B
YoY Change
Total Liabilities & Shareholders Equity $4.665B $4.537B
YoY Change 8.47% 10.64%

Cashflow Statement

Concept 2023 Q3 2023 Q2
OPERATING ACTIVITIES
Net Income -$23.69M $1.244M
YoY Change 20.93% -27.46%
Depreciation, Depletion And Amortization $30.06M $31.29M
YoY Change 3.57% 11.32%
Cash From Operating Activities $3.649M $121.0M
YoY Change -111.92% 117.9%
INVESTING ACTIVITIES
Capital Expenditures $97.88M $73.60M
YoY Change -216.33% -174.2%
Acquisitions
YoY Change
Other Investing Activities -$1.096M -$4.924M
YoY Change -65.44% 552.19%
Cash From Investing Activities -$98.98M -$78.52M
YoY Change 13.36% -21.43%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities 111.7M -43.38M
YoY Change -46.32% -211.8%
NET CHANGE
Cash From Operating Activities 3.649M 121.0M
Cash From Investing Activities -98.98M -78.52M
Cash From Financing Activities 111.7M -43.38M
Net Change In Cash 16.40M -911.0K
YoY Change -81.83% -83.76%
FREE CASH FLOW
Cash From Operating Activities $3.649M $121.0M
Capital Expenditures $97.88M $73.60M
Free Cash Flow -$94.24M $47.40M
YoY Change -276.0% -69.37%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
CY2023Q2 us-gaap Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
P0Y
dei Document Period End Date
DocumentPeriodEndDate
2023-06-30
CY2023Q2 us-gaap Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
37000 usd
CY2022Q2 us-gaap Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
71000 usd
us-gaap Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
74000 usd
us-gaap Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax
OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
142000 usd
CY2023Q2 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax
103000 usd
CY2022Q2 us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax
197000 usd
us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax
205000 usd
us-gaap Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax
394000 usd
CY2023Q2 nwn Unrealized Loss On Derivative Tax
UnrealizedLossOnDerivativeTax
-445 usd
nwn Unrealized Loss On Derivative Tax
UnrealizedLossOnDerivativeTax
-297 usd
CY2023Q2 us-gaap Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
1236000 usd
us-gaap Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
0 usd
us-gaap Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
825000 usd
us-gaap Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
0 usd
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.77
CY2022Q2 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
17209000 usd
CY2022Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
29270000 usd
CY2023Q2 us-gaap Accounts Receivable Gross Current
AccountsReceivableGrossCurrent
73930000 usd
CY2022Q2 us-gaap Accounts Receivable Gross Current
AccountsReceivableGrossCurrent
68583000 usd
CY2022Q4 us-gaap Accounts Receivable Gross Current
AccountsReceivableGrossCurrent
168906000 usd
CY2023Q2 us-gaap Unbilled Receivables Current
UnbilledReceivablesCurrent
21924000 usd
CY2022Q2 us-gaap Unbilled Receivables Current
UnbilledReceivablesCurrent
18060000 usd
CY2022Q4 us-gaap Unbilled Receivables Current
UnbilledReceivablesCurrent
89048000 usd
CY2023Q2 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
3297000 usd
CY2022Q2 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
1356000 usd
CY2022Q4 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
3296000 usd
CY2023Q2 us-gaap Regulatory Assets Current
RegulatoryAssetsCurrent
111819000 usd
CY2022Q2 us-gaap Regulatory Assets Current
RegulatoryAssetsCurrent
92803000 usd
CY2022Q4 us-gaap Regulatory Assets Current
RegulatoryAssetsCurrent
117491000 usd
CY2023Q2 us-gaap Derivative Assets Current
DerivativeAssetsCurrent
12423000 usd
CY2023Q2 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
4391993000 usd
CY2022Q2 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
4129236000 usd
CY2022Q4 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
4261566000 usd
CY2023Q2 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
1181230000 usd
CY2022Q2 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
1150555000 usd
CY2022Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
1147166000 usd
CY2023Q2 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
3210763000 usd
CY2022Q2 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
2978681000 usd
CY2022Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
3114400000 usd
CY2023Q2 us-gaap Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
307999000 usd
CY2022Q2 us-gaap Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
301855000 usd
CY2022Q4 us-gaap Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
340432000 usd
CY2023Q2 us-gaap Derivative Assets Noncurrent
DerivativeAssetsNoncurrent
2118000 usd
CY2022Q2 us-gaap Derivative Assets Noncurrent
DerivativeAssetsNoncurrent
9121000 usd
CY2022Q4 us-gaap Derivative Assets Noncurrent
DerivativeAssetsNoncurrent
5045000 usd
CY2023Q2 us-gaap Other Long Term Investments
OtherLongTermInvestments
104330000 usd
CY2022Q2 us-gaap Other Long Term Investments
OtherLongTermInvestments
96027000 usd
CY2022Q4 us-gaap Other Long Term Investments
OtherLongTermInvestments
95704000 usd
CY2023Q2 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
72096000 usd
CY2022Q2 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
73754000 usd
CY2022Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
73429000 usd
CY2023Q2 us-gaap Net Investment In Lease Noncurrent
NetInvestmentInLeaseNoncurrent
132045000 usd
CY2022Q2 us-gaap Deferred Income Tax Liabilities Net
DeferredIncomeTaxLiabilitiesNet
355470000 usd
CY2022Q4 us-gaap Deferred Income Tax Liabilities Net
DeferredIncomeTaxLiabilitiesNet
366022000 usd
CY2023Q2 us-gaap Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
672215000 usd
CY2022Q2 us-gaap Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
658925000 usd
CY2022Q4 us-gaap Deferred Credits And Other Liabilities Noncurrent
DeferredCreditsAndOtherLiabilitiesNoncurrent
1427984000 usd
CY2023Q2 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
usd
CY2022Q2 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
usd
CY2022Q4 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
usd
CY2023Q2 us-gaap Common Stock No Par Value
CommonStockNoParValue
0
CY2022Q4 us-gaap Common Stock No Par Value
CommonStockNoParValue
0
CY2022Q2 us-gaap Common Stock No Par Value
CommonStockNoParValue
0
CY2023Q2 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
100000000 shares
CY2022Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
100000000 shares
CY2022Q2 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
100000000 shares
CY2023Q2 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
36065000 shares
CY2023Q2 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
36065000 shares
CY2022Q2 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
34754000 shares
CY2022Q2 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
34754000 shares
CY2022Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
35525000 shares
CY2022Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
35525000 shares
CY2023Q2 us-gaap Common Stock Value
CommonStockValue
831135000 usd
CY2022Q2 us-gaap Common Stock Value
CommonStockValue
767826000 usd
CY2022Q4 us-gaap Common Stock Value
CommonStockValue
805253000 usd
CY2023Q2 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
414398000 usd
CY2022Q2 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
381963000 usd
CY2022Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
376473000 usd
CY2023Q2 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-5255000 usd
CY2022Q2 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-11010000 usd
CY2022Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-6285000 usd
CY2023Q2 us-gaap Stockholders Equity
StockholdersEquity
1240278000 usd
CY2022Q2 us-gaap Stockholders Equity
StockholdersEquity
1138779000 usd
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
1175441000 usd
CY2023Q2 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
4536705000 usd
CY2022Q2 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
4100518000 usd
CY2022Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
4748326000 usd
CY2023Q1 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
1248307000 usd
CY2023Q2 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
1240278000 usd
CY2022Q2 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
1138779000 usd
CY2023Q2 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
1240278000 usd
us-gaap Payments To Acquire Equity Method Investments
PaymentsToAcquireEquityMethodInvestments
1000000 usd
us-gaap Payments To Acquire Equity Method Investments
PaymentsToAcquireEquityMethodInvestments
0 usd
us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
2428000 usd
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-151540000 usd
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-169687000 usd
us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
22072000 usd
us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
174053000 usd
us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
200000000 usd
us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
692000 usd
CY2022Q2 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.4825
us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.9700
us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.9650
us-gaap Net Income Loss
NetIncomeLoss
72915000 usd
us-gaap Net Income Loss
NetIncomeLoss
57954000 usd
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
62758000 usd
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
56539000 usd
us-gaap Amortization Of Regulatory Asset
AmortizationOfRegulatoryAsset
1678000 usd
us-gaap Amortization Of Regulatory Asset
AmortizationOfRegulatoryAsset
2984000 usd
us-gaap Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
8610000 usd
us-gaap Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
10659000 usd
us-gaap Pension Expense
PensionExpense
-1129000 usd
us-gaap Pension Expense
PensionExpense
2882000 usd
us-gaap Other Increase Decrease In Environmental Liabilities
OtherIncreaseDecreaseInEnvironmentalLiabilities
-9732000 usd
us-gaap Other Increase Decrease In Environmental Liabilities
OtherIncreaseDecreaseInEnvironmentalLiabilities
-9608000 usd
us-gaap Environmental Remediation Expense
EnvironmentalRemediationExpense
7515000 usd
us-gaap Environmental Remediation Expense
EnvironmentalRemediationExpense
6970000 usd
nwn Asset Optimization Revenue Sharing Bill Credits
AssetOptimizationRevenueSharingBillCredits
-10471000 usd
us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
-14068000 usd
us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
-9961000 usd
us-gaap Increase Decrease In Accounts And Other Receivables
IncreaseDecreaseInAccountsAndOtherReceivables
-163965000 usd
us-gaap Increase Decrease In Accounts And Other Receivables
IncreaseDecreaseInAccountsAndOtherReceivables
-96453000 usd
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
-20084000 usd
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
8721000 usd
us-gaap Increase Decrease In Accrued Taxes Payable
IncreaseDecreaseInAccruedTaxesPayable
14834000 usd
nwn Increase Decrease In Cloud Based Software Operating Assets
IncreaseDecreaseInCloudBasedSoftwareOperatingAssets
7229000 usd
nwn Increase Decrease In Cloud Based Software Operating Assets
IncreaseDecreaseInCloudBasedSoftwareOperatingAssets
414000 usd
us-gaap Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
-22791000 usd
us-gaap Increase Decrease In Other Operating Capital Net
IncreaseDecreaseInOtherOperatingCapitalNet
7711000 usd
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
297854000 usd
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
196564000 usd
us-gaap Payments To Acquire Oil And Gas Property And Equipment
PaymentsToAcquireOilAndGasPropertyAndEquipment
144863000 usd
us-gaap Payments To Acquire Oil And Gas Property And Equipment
PaymentsToAcquireOilAndGasPropertyAndEquipment
167696000 usd
us-gaap Payments To Acquire Businesses Net Of Cash Acquired
PaymentsToAcquireBusinessesNetOfCashAcquired
3249000 usd
us-gaap Payments To Acquire Businesses Net Of Cash Acquired
PaymentsToAcquireBusinessesNetOfCashAcquired
0 usd
CY2023Q2 us-gaap Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
307999000 usd
CY2022Q2 us-gaap Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
301855000 usd
CY2022Q4 us-gaap Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
340432000 usd
CY2023Q2 us-gaap Regulatory Liability Current
RegulatoryLiabilityCurrent
61546000 usd
CY2022Q2 us-gaap Regulatory Liability Current
RegulatoryLiabilityCurrent
97277000 usd
CY2022Q4 us-gaap Regulatory Liability Current
RegulatoryLiabilityCurrent
248582000 usd
CY2023Q2 us-gaap Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
672215000 usd
CY2022Q2 us-gaap Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
658925000 usd
us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
33293000 usd
us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
30311000 usd
us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-3774000 usd
us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-1596000 usd
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-32195000 usd
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-23962000 usd
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
114119000 usd
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
2915000 usd
CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
40964000 usd
CY2021Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
27120000 usd
CY2023Q2 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
155083000 usd
CY2022Q2 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
30035000 usd
us-gaap Interest Paid Net
InterestPaidNet
36376000 usd
us-gaap Interest Paid Net
InterestPaidNet
22867000 usd
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
12163000 usd
CY2022Q4 us-gaap Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
689578000 usd
CY2023Q2 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
137759000 usd
CY2022Q2 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
17209000 usd
CY2022Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
29270000 usd
CY2023Q2 us-gaap Restricted Cash Current
RestrictedCashCurrent
17324000 usd
CY2022Q2 us-gaap Restricted Cash Current
RestrictedCashCurrent
12826000 usd
CY2022Q4 us-gaap Restricted Cash Current
RestrictedCashCurrent
11694000 usd
CY2023Q2 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
155083000 usd
CY2022Q2 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
30035000 usd
CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
40964000 usd
CY2023Q2 nwn Inactive Account Period Outstanding Prior To Write Off
InactiveAccountPeriodOutstandingPriorToWriteOff
P120D
CY2023Q2 nwn General Payment Term Of Ngd Receivables
GeneralPaymentTermOfNGDReceivables
P15D
CY2023Q2 nwn Age Of Closed Or Inactive Accounts
AgeOfClosedOrInactiveAccounts
P120D
CY2023Q2 nwn Number Of Net Investments In Sales Type Leases
NumberOfNetInvestmentsInSalesTypeLeases
2 numberofleases
CY2023Q2 us-gaap Sales Type Lease Net Investment In Lease Allowance For Credit Loss
SalesTypeLeaseNetInvestmentInLeaseAllowanceForCreditLoss
0 usd
CY2023Q2 us-gaap Net Income Loss
NetIncomeLoss
1244000 usd
CY2022Q2 us-gaap Net Income Loss
NetIncomeLoss
1715000 usd
us-gaap Net Income Loss
NetIncomeLoss
72915000 usd
us-gaap Net Income Loss
NetIncomeLoss
57954000 usd
CY2023Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
36019000 shares
CY2022Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
34307000 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
35815000 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
32756000 shares
CY2023Q2 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
43000 shares
CY2022Q2 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
45000 shares
us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
30000 shares
us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
49000 shares
CY2023Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
36062000 shares
CY2022Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
34352000 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
35845000 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
32805000 shares
CY2023Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.03
CY2022Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.05
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.04
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.77
CY2023Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.03
CY2022Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.05
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.03
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.77
CY2023Q2 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
2000 shares
CY2022Q2 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
1000 shares
us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
1000 shares
us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
1000 shares
CY2023Q2 us-gaap Revenue From Contract With Customer Including Assessed Tax
RevenueFromContractWithCustomerIncludingAssessedTax
229986000 usd
CY2023Q2 us-gaap Revenues
Revenues
237859000 usd
CY2023Q2 us-gaap Lessor Sales Type Lease Term Of Contract1
LessorSalesTypeLeaseTermOfContract1
P30Y
CY2023Q2 us-gaap Lessor Sales Type Lease Renewal Term1
LessorSalesTypeLeaseRenewalTerm1
P50Y
CY2023Q2 us-gaap Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
72300000 usd
CY2023Q2 us-gaap Lessor Sales Type Lease Term Of Contract1
LessorSalesTypeLeaseTermOfContract1
P30Y
CY2023Q2 us-gaap Lessor Sales Type Lease Renewal Term1
LessorSalesTypeLeaseRenewalTerm1
P50Y
CY2023Q2 us-gaap Lease Income
LeaseIncome
200000 usd
CY2022Q2 us-gaap Lease Income
LeaseIncome
100000 usd
us-gaap Lease Income
LeaseIncome
300000 usd
us-gaap Lease Income
LeaseIncome
300000 usd
CY2023Q2 us-gaap Lessor Operating Lease Payments To Be Received Remainder Of Fiscal Year
LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear
337000 usd
CY2023Q2 nwn Lease Paymentstobe Received Remainderof Fiscal Year
LeasePaymentstobeReceivedRemainderofFiscalYear
8562000 usd
CY2023Q2 us-gaap Lessor Operating Lease Payments To Be Received Next Twelve Months
LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths
665000 usd
CY2023Q2 nwn Lease Paymentstobe Received Two Years
LeasePaymentstobeReceivedTwoYears
16532000 usd
CY2023Q2 us-gaap Lessor Operating Lease Payments To Be Received Two Years
LessorOperatingLeasePaymentsToBeReceivedTwoYears
657000 usd
CY2023Q2 nwn Lease Paymentstobe Received Three Years
LeasePaymentstobeReceivedThreeYears
15963000 usd
CY2023Q2 us-gaap Lessor Operating Lease Payments To Be Received Three Years
LessorOperatingLeasePaymentsToBeReceivedThreeYears
92000 usd
CY2023Q2 nwn Lease Paymentstobe Received Four Years
LeasePaymentstobeReceivedFourYears
14993000 usd
CY2023Q2 us-gaap Lessor Operating Lease Payments To Be Received Four Years
LessorOperatingLeasePaymentsToBeReceivedFourYears
79000 usd
CY2023Q2 nwn Lease Paymentstobe Received Five Years
LeasePaymentstobeReceivedFiveYears
14600000 usd
CY2023Q2 us-gaap Lessor Operating Lease Payments To Be Received Thereafter
LessorOperatingLeasePaymentsToBeReceivedThereafter
857000 usd
CY2023Q2 nwn Lease Paymentstobe Received Thereafter
LeasePaymentstobeReceivedThereafter
223156000 usd
CY2023Q2 us-gaap Lessor Operating Lease Payments To Be Received
LessorOperatingLeasePaymentsToBeReceived
2687000 usd
CY2023Q2 nwn Lease Paymentstobe Received
LeasePaymentstobeReceived
293806000 usd
CY2023Q2 us-gaap Residual Value Of Leased Asset
ResidualValueOfLeasedAsset
5300000 usd
CY2022Q2 us-gaap Residual Value Of Leased Asset
ResidualValueOfLeasedAsset
4900000 usd
CY2022Q4 us-gaap Residual Value Of Leased Asset
ResidualValueOfLeasedAsset
5100000 usd
CY2023Q2 nwn Lessee Operating Lease Maximum Term Of Short Term Leases Not Recorded On The Balance Sheet
LesseeOperatingLeaseMaximumTermOfShortTermLeasesNotRecordedOnTheBalanceSheet
P12M
CY2023Q2 us-gaap Operating Lease Expense
OperatingLeaseExpense
1830000 usd
CY2022Q2 us-gaap Operating Lease Expense
OperatingLeaseExpense
1749000 usd
us-gaap Operating Lease Expense
OperatingLeaseExpense
3645000 usd
us-gaap Operating Lease Expense
OperatingLeaseExpense
3483000 usd
CY2023Q2 us-gaap Short Term Lease Cost
ShortTermLeaseCost
278000 usd
CY2022Q2 us-gaap Short Term Lease Cost
ShortTermLeaseCost
416000 usd
us-gaap Short Term Lease Cost
ShortTermLeaseCost
358000 usd
us-gaap Short Term Lease Cost
ShortTermLeaseCost
579000 usd
CY2023Q2 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
72096000 usd
CY2022Q2 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
73754000 usd
CY2022Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
73429000 usd
CY2023Q2 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
1732000 usd
CY2022Q2 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
1315000 usd
CY2022Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
1514000 usd
CY2023Q2 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
77951000 usd
CY2022Q2 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
78826000 usd
CY2022Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
78965000 usd
CY2023Q2 us-gaap Operating Lease Liability
OperatingLeaseLiability
79683000 usd
CY2022Q2 us-gaap Operating Lease Liability
OperatingLeaseLiability
80141000 usd
CY2022Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
80479000 usd
CY2023Q2 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P16Y9M18D
CY2022Q2 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P17Y8M12D
CY2022Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P17Y2M12D
CY2023Q2 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.073
CY2022Q2 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.072
CY2022Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.073
CY2023Q2 us-gaap Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
3693000 usd
CY2023Q2 us-gaap Lessee Operating Lease Liability Payments Due Next Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
7469000 usd
CY2023Q2 us-gaap Lessee Operating Lease Liability Payments Due Year Two
LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
7348000 usd
CY2023Q2 us-gaap Lessee Operating Lease Liability Payments Due Year Three
LesseeOperatingLeaseLiabilityPaymentsDueYearThree
7501000 usd
CY2023Q2 us-gaap Lessee Operating Lease Liability Payments Due Year Four
LesseeOperatingLeaseLiabilityPaymentsDueYearFour
7645000 usd
CY2023Q2 us-gaap Lessee Operating Lease Liability Payments Due After Year Five
LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
109003000 usd
CY2023Q2 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
142659000 usd
CY2023Q2 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
62976000 usd
CY2023Q2 us-gaap Operating Lease Liability
OperatingLeaseLiability
79683000 usd
CY2023Q2 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
1732000 usd
CY2023Q2 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
77951000 usd
CY2023Q2 us-gaap Operating Lease Payments
OperatingLeasePayments
1837000 usd
CY2022Q2 us-gaap Operating Lease Payments
OperatingLeasePayments
1739000 usd
us-gaap Operating Lease Payments
OperatingLeasePayments
3643000 usd
us-gaap Operating Lease Payments
OperatingLeasePayments
3478000 usd
CY2023Q2 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
0 usd
CY2022Q2 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
307000 usd
us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
173000 usd
us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
382000 usd
CY2023Q2 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
81000 usd
CY2022Q2 nwn Nwn Right Of Use Asset Obtained In Exchange For Operating Lease Liability
NwnRightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
-14000 usd
us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
81000 usd
us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
0 usd
CY2023Q2 us-gaap Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
0 usd
CY2022Q2 us-gaap Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
120000 usd
us-gaap Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
263000 usd
us-gaap Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
220000 usd
CY2023Q2 us-gaap Finance Lease Liability
FinanceLeaseLiability
0 usd
CY2023Q2 us-gaap Finance Lease Right Of Use Asset
FinanceLeaseRightOfUseAsset
2400000 usd
CY2022Q2 us-gaap Finance Lease Right Of Use Asset
FinanceLeaseRightOfUseAsset
2300000 usd
CY2022Q4 us-gaap Finance Lease Right Of Use Asset
FinanceLeaseRightOfUseAsset
2300000 usd
CY2022Q4 us-gaap Finance Lease Liability Payments Due Next Twelve Months
FinanceLeaseLiabilityPaymentsDueNextTwelveMonths
0 usd
CY2023Q2 us-gaap Finance Lease Liability Payments Due Next Twelve Months
FinanceLeaseLiabilityPaymentsDueNextTwelveMonths
0 usd
CY2022Q2 us-gaap Finance Lease Liability Payments Due Next Twelve Months
FinanceLeaseLiabilityPaymentsDueNextTwelveMonths
100000 usd
CY2023Q2 us-gaap Short Term Borrowings
ShortTermBorrowings
41000000.0 usd
CY2022Q2 us-gaap Short Term Borrowings
ShortTermBorrowings
222700000 usd
CY2022Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
258200000 usd
CY2023Q2 us-gaap Other Long Term Debt
OtherLongTermDebt
5900000 usd
CY2022Q2 us-gaap Other Long Term Debt
OtherLongTermDebt
4200000 usd
CY2022Q4 us-gaap Other Long Term Debt
OtherLongTermDebt
6200000 usd
CY2023Q2 us-gaap Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
1545600000 usd
CY2022Q2 us-gaap Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
1053900000 usd
CY2023Q2 us-gaap Deferred Gas Cost
DeferredGasCost
3200000 usd
CY2022Q4 us-gaap Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
1345900000 usd
CY2023Q2 us-gaap Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
10300000 usd
CY2022Q2 us-gaap Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
8000000.0 usd
CY2022Q4 us-gaap Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
9000000.0 usd
CY2023Q2 nwn Long Term Debt Current Maturities Gross
LongTermDebtCurrentMaturitiesGross
240700000 usd
CY2022Q2 nwn Long Term Debt Current Maturities Gross
LongTermDebtCurrentMaturitiesGross
400000 usd
CY2022Q4 nwn Long Term Debt Current Maturities Gross
LongTermDebtCurrentMaturitiesGross
90700000 usd
CY2023Q2 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
1294600000 usd
CY2022Q2 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
1045500000 usd
CY2022Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
1246200000 usd
CY2023Q2 us-gaap Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
1545553000 usd
CY2022Q2 us-gaap Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
1053912000 usd
CY2022Q4 us-gaap Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
1345851000 usd
CY2023Q2 us-gaap Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
10261000 usd
CY2022Q2 us-gaap Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
8031000 usd
CY2022Q4 us-gaap Unamortized Debt Issuance Expense
UnamortizedDebtIssuanceExpense
8987000 usd
CY2023Q2 us-gaap Long Term Debt
LongTermDebt
1535292000 usd
CY2022Q2 us-gaap Long Term Debt
LongTermDebt
1045881000 usd
CY2022Q4 us-gaap Long Term Debt
LongTermDebt
1336864000 usd
CY2023Q2 us-gaap Debt Instrument Fair Value
DebtInstrumentFairValue
1385612000 usd
CY2022Q2 us-gaap Debt Instrument Fair Value
DebtInstrumentFairValue
950597000 usd
CY2022Q4 us-gaap Debt Instrument Fair Value
DebtInstrumentFairValue
1148395000 usd
us-gaap Pension And Other Postretirement Benefit Contributions
PensionAndOtherPostretirementBenefitContributions
0 usd
CY2023Q2 us-gaap Defined Benefit Plan Expected Future Employer Contributions Remainder Of Fiscal Year
DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear
0 usd
us-gaap Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
5900000 usd
us-gaap Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
5200000 usd
CY2023Q2 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
312000 usd
CY2022Q2 us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
460000 usd
CY2023Q2 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
211000 usd
CY2022Q2 us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
161000 usd
CY2023Q2 nwn Other Tax Expense Benefitdifferencestobeflowedthroughbyregulatorycommissions
OtherTaxExpenseBenefitdifferencestobeflowedthroughbyregulatorycommissions
-161000 usd
CY2022Q2 nwn Other Tax Expense Benefitdifferencestobeflowedthroughbyregulatorycommissions
OtherTaxExpenseBenefitdifferencestobeflowedthroughbyregulatorycommissions
-62000 usd
CY2023Q2 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
-119000 usd
CY2022Q2 us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
-89000 usd
CY2023Q2 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.163
CY2022Q2 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.215
us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
20644000 usd
us-gaap Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
16243000 usd
us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
8360000 usd
us-gaap Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
6674000 usd
nwn Other Tax Expense Benefitdifferencestobeflowedthroughbyregulatorycommissions
OtherTaxExpenseBenefitdifferencestobeflowedthroughbyregulatorycommissions
-3070000 usd
nwn Other Tax Expense Benefitdifferencestobeflowedthroughbyregulatorycommissions
OtherTaxExpenseBenefitdifferencestobeflowedthroughbyregulatorycommissions
-3235000 usd
us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
-544000 usd
us-gaap Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
-289000 usd
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
25390000 usd
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
19393000 usd
us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.258
us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.251
CY2023Q2 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
3210763000 usd
CY2022Q2 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
2978681000 usd
CY2022Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
3114400000 usd
CY2023Q2 us-gaap Life Insurance Corporate Or Bank Owned Amount
LifeInsuranceCorporateOrBankOwnedAmount
46772000 usd
CY2022Q2 us-gaap Life Insurance Corporate Or Bank Owned Amount
LifeInsuranceCorporateOrBankOwnedAmount
48735000 usd
CY2022Q4 us-gaap Life Insurance Corporate Or Bank Owned Amount
LifeInsuranceCorporateOrBankOwnedAmount
49358000 usd
CY2023Q2 us-gaap Inventory Gas In Storage Underground Noncurrent
InventoryGasInStorageUndergroundNoncurrent
21488000 usd
CY2022Q2 us-gaap Inventory Gas In Storage Underground Noncurrent
InventoryGasInStorageUndergroundNoncurrent
24695000 usd
CY2022Q4 us-gaap Inventory Gas In Storage Underground Noncurrent
InventoryGasInStorageUndergroundNoncurrent
22970000 usd
CY2023Q2 us-gaap Equity Method Investment Aggregate Cost
EquityMethodInvestmentAggregateCost
36070000 usd
CY2022Q2 us-gaap Equity Method Investment Aggregate Cost
EquityMethodInvestmentAggregateCost
22597000 usd
CY2022Q4 us-gaap Equity Method Investment Aggregate Cost
EquityMethodInvestmentAggregateCost
23376000 usd
CY2023Q2 us-gaap Other Long Term Investments
OtherLongTermInvestments
104330000 usd
CY2022Q2 us-gaap Other Long Term Investments
OtherLongTermInvestments
96027000 usd
CY2022Q4 us-gaap Other Long Term Investments
OtherLongTermInvestments
95704000 usd
CY2023Q2 nwn Total Cumulative Gas Reserves Investment
TotalCumulativeGasReservesInvestment
188000000 usd
CY2023Q2 nwn Deferred Taxes Related To Gas Reserves
DeferredTaxesRelatedToGasReserves
4400000 usd
CY2022Q2 nwn Deferred Taxes Related To Gas Reserves
DeferredTaxesRelatedToGasReserves
5300000 usd
CY2022Q4 nwn Deferred Taxes Related To Gas Reserves
DeferredTaxesRelatedToGasReserves
5200000 usd
CY2022Q2 us-gaap Deferred Gas Cost
DeferredGasCost
4300000 usd
CY2022Q4 us-gaap Deferred Gas Cost
DeferredGasCost
3400000 usd
CY2023Q2 nwn Investments Number Of Rng Development Projects
InvestmentsNumberOfRNGDevelopmentProjects
4 numberofprojects
us-gaap Business Combination Consideration Transferred1
BusinessCombinationConsiderationTransferred1
105700000 usd
CY2023Q2 us-gaap Goodwill
Goodwill
152700000 usd
CY2022Q2 us-gaap Goodwill
Goodwill
70700000 usd
CY2022Q4 us-gaap Goodwill
Goodwill
149300000 usd
us-gaap Goodwill Impairment Loss
GoodwillImpairmentLoss
0 usd
CY2023Q2 us-gaap Derivative Loss On Derivative
DerivativeLossOnDerivative
19200000 usd
us-gaap Derivative Gain On Derivative
DerivativeGainOnDerivative
153200000 usd
CY2023Q2 us-gaap Derivative Gain On Derivative
DerivativeGainOnDerivative
21200000 usd
us-gaap Derivative Gain On Derivative
DerivativeGainOnDerivative
57200000 usd
CY2023Q2 us-gaap Derivative Credit Risk Valuation Adjustment Derivative Liabilities
DerivativeCreditRiskValuationAdjustmentDerivativeLiabilities
600000 usd
CY2023Q2 us-gaap Derivative Fair Value Of Derivative Net
DerivativeFairValueOfDerivativeNet
-52800000 usd
CY2022Q2 us-gaap Derivative Fair Value Of Derivative Net
DerivativeFairValueOfDerivativeNet
44400000 usd
CY2022Q4 us-gaap Derivative Fair Value Of Derivative Net
DerivativeFairValueOfDerivativeNet
149700000 usd
CY2023Q2 us-gaap Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax
AociLossCashFlowHedgeCumulativeGainLossAfterTax
1000000 usd
us-gaap Derivative Instruments Gain Reclassified From Accumulated Oci Into Income Effective Portion
DerivativeInstrumentsGainReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion
0 usd
CY2023Q2 us-gaap Accrued Environmental Loss Contingencies Current
AccruedEnvironmentalLossContingenciesCurrent
22878000 usd
CY2022Q2 us-gaap Accrued Environmental Loss Contingencies Current
AccruedEnvironmentalLossContingenciesCurrent
20092000 usd
CY2022Q4 us-gaap Accrued Environmental Loss Contingencies Current
AccruedEnvironmentalLossContingenciesCurrent
28902000 usd
CY2023Q2 us-gaap Accrued Environmental Loss Contingencies Noncurrent
AccruedEnvironmentalLossContingenciesNoncurrent
86897000 usd
CY2022Q2 us-gaap Accrued Environmental Loss Contingencies Noncurrent
AccruedEnvironmentalLossContingenciesNoncurrent
84752000 usd
CY2022Q4 us-gaap Accrued Environmental Loss Contingencies Noncurrent
AccruedEnvironmentalLossContingenciesNoncurrent
89905000 usd
CY2022Q4 nwn Remediation Nonrecovery Percentage
RemediationNonrecoveryPercentage
0.033
CY2023Q2 nwn Remediation Nonrecovery Percentage
RemediationNonrecoveryPercentage
0.033
CY2022Q2 nwn Remediation Nonrecovery Percentage
RemediationNonrecoveryPercentage
0.033
nwn Annual Tariff Rider Collection
AnnualTariffRiderCollection
5000000 usd
nwn Annual Tariff Rider Collection
AnnualTariffRiderCollection
5000000 usd
nwn Annual Insurance Proceedsto Apply Against Remediation Costs
AnnualInsuranceProceedstoApplyAgainstRemediationCosts
5000000 usd
nwn Total Annual Remediation Expenseand Interest
TotalAnnualRemediationExpenseandInterest
10000000 usd
CY2023Q2 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
2583000 usd
CY2022Q2 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
1912000 usd
us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
73945000 usd
us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
58348000 usd
CY2023Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
36019000 shares
CY2022Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
34307000 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
35815000 shares
CY2023Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
36062000 shares
CY2022Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
34352000 shares
CY2023Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.03
CY2022Q4 us-gaap Derivative Assets Current
DerivativeAssetsCurrent
194412000 usd
CY2023Q2 us-gaap Public Utilities Inventory
PublicUtilitiesInventory
67502000 usd
CY2022Q2 us-gaap Public Utilities Inventory
PublicUtilitiesInventory
65983000 usd
CY2023Q2 us-gaap Other Assets Current
OtherAssetsCurrent
35797000 usd
CY2022Q2 us-gaap Other Assets Current
OtherAssetsCurrent
36060000 usd
CY2022Q4 us-gaap Other Assets Current
OtherAssetsCurrent
61286000 usd
CY2023Q2 us-gaap Assets Current
AssetsCurrent
457857000 usd
CY2022Q2 us-gaap Assets Current
AssetsCurrent
357994000 usd
CY2022Q4 us-gaap Assets Current
AssetsCurrent
744213000 usd
CY2022Q2 us-gaap Net Investment In Lease Noncurrent
NetInvestmentInLeaseNoncurrent
136673000 usd
CY2022Q4 us-gaap Net Investment In Lease Noncurrent
NetInvestmentInLeaseNoncurrent
134302000 usd
CY2023Q2 us-gaap Goodwill
Goodwill
152670000 usd
CY2022Q2 us-gaap Goodwill
Goodwill
70714000 usd
CY2022Q4 us-gaap Goodwill
Goodwill
149283000 usd
CY2023Q2 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
96827000 usd
CY2022Q2 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
75699000 usd
CY2022Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
91518000 usd
CY2023Q2 us-gaap Assets Noncurrent
AssetsNoncurrent
4078848000 usd
CY2022Q2 us-gaap Assets Noncurrent
AssetsNoncurrent
3742524000 usd
CY2022Q4 us-gaap Assets Noncurrent
AssetsNoncurrent
4004113000 usd
CY2023Q2 us-gaap Assets
Assets
4536705000 usd
CY2022Q4 us-gaap Assets
Assets
4748326000 usd
CY2023Q2 us-gaap Short Term Borrowings
ShortTermBorrowings
41000000 usd
CY2022Q2 us-gaap Short Term Borrowings
ShortTermBorrowings
222700000 usd
CY2022Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
258200000 usd
CY2023Q2 us-gaap Long Term Debt Current
LongTermDebtCurrent
240714000 usd
CY2022Q2 us-gaap Long Term Debt Current
LongTermDebtCurrent
351000 usd
CY2022Q4 us-gaap Long Term Debt Current
LongTermDebtCurrent
90697000 usd
CY2023Q2 us-gaap Accounts Payable Current
AccountsPayableCurrent
101369000 usd
CY2022Q2 us-gaap Accounts Payable Current
AccountsPayableCurrent
135364000 usd
CY2022Q4 us-gaap Accounts Payable Current
AccountsPayableCurrent
180667000 usd
CY2023Q2 us-gaap Accrued Income Taxes Current
AccruedIncomeTaxesCurrent
12217000 usd
CY2022Q2 us-gaap Accrued Income Taxes Current
AccruedIncomeTaxesCurrent
11324000 usd
CY2022Q4 us-gaap Accrued Income Taxes Current
AccruedIncomeTaxesCurrent
15625000 usd
CY2023Q2 us-gaap Interest Payable Current
InterestPayableCurrent
11443000 usd
CY2022Q2 us-gaap Interest Payable Current
InterestPayableCurrent
7425000 usd
CY2022Q4 us-gaap Interest Payable Current
InterestPayableCurrent
10169000 usd
CY2023Q2 us-gaap Regulatory Liability Current
RegulatoryLiabilityCurrent
61546000 usd
CY2022Q2 us-gaap Regulatory Liability Current
RegulatoryLiabilityCurrent
97277000 usd
CY2022Q4 us-gaap Regulatory Liability Current
RegulatoryLiabilityCurrent
248582000 usd
CY2023Q2 us-gaap Derivative Liabilities Current
DerivativeLiabilitiesCurrent
42135000 usd
CY2022Q2 us-gaap Derivative Liabilities Current
DerivativeLiabilitiesCurrent
15918000 usd
CY2022Q4 us-gaap Derivative Liabilities Current
DerivativeLiabilitiesCurrent
28728000 usd
CY2023Q2 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
1732000 usd
CY2022Q2 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
1315000 usd
CY2022Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
1514000 usd
CY2023Q2 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
58777000 usd
CY2022Q2 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
47624000 usd
CY2022Q4 us-gaap Other Liabilities Current
OtherLiabilitiesCurrent
64552000 usd
CY2023Q2 us-gaap Liabilities Current
LiabilitiesCurrent
570933000 usd
CY2022Q2 us-gaap Liabilities Current
LiabilitiesCurrent
539298000 usd
CY2022Q4 us-gaap Liabilities Current
LiabilitiesCurrent
898734000 usd
CY2023Q2 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
1294578000 usd
CY2022Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
1246167000 usd
CY2023Q2 us-gaap Deferred Income Tax Liabilities Net
DeferredIncomeTaxLiabilitiesNet
380058000 usd
CY2022Q4 us-gaap Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
689578000 usd
CY2023Q2 us-gaap Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
147063000 usd
CY2022Q2 us-gaap Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
162511000 usd
CY2022Q4 us-gaap Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
149143000 usd
CY2023Q2 us-gaap Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
25212000 usd
CY2022Q2 us-gaap Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
9475000 usd
CY2022Q4 us-gaap Derivative Liabilities Noncurrent
DerivativeLiabilitiesNoncurrent
20838000 usd
CY2023Q2 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
77951000 usd
CY2022Q2 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
78826000 usd
CY2022Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
78965000 usd
CY2022Q2 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
111704000 usd
CY2022Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
123438000 usd
CY2023Q2 us-gaap Deferred Credits And Other Liabilities Noncurrent
DeferredCreditsAndOtherLiabilitiesNoncurrent
1430916000 usd
CY2022Q2 us-gaap Deferred Credits And Other Liabilities Noncurrent
DeferredCreditsAndOtherLiabilitiesNoncurrent
1376911000 usd
CY2022Q1 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
987944000 usd
CY2022Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
1175441000 usd
CY2022Q2 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
1138779000 usd
CY2023Q2 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.4850
nwn Asset Optimization Revenue Sharing Bill Credits
AssetOptimizationRevenueSharingBillCredits
-41102000 usd
us-gaap Increase Decrease In Accrued Taxes Payable
IncreaseDecreaseInAccruedTaxesPayable
17241000 usd
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
-48935000 usd
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
-13728000 usd
us-gaap Increase Decrease In Deferred Gas Cost
IncreaseDecreaseInDeferredGasCost
16370000 usd
us-gaap Increase Decrease In Deferred Gas Cost
IncreaseDecreaseInDeferredGasCost
-2607000 usd
us-gaap Increase Decrease In Regulatory Assets And Liabilities
IncreaseDecreaseInRegulatoryAssetsAndLiabilities
-12056000 usd
us-gaap Increase Decrease In Regulatory Assets And Liabilities
IncreaseDecreaseInRegulatoryAssetsAndLiabilities
-3929000 usd
nwn Change In Decoupling Regulatory Deferral
ChangeInDecouplingRegulatoryDeferral
9554000 usd
nwn Change In Decoupling Regulatory Deferral
ChangeInDecouplingRegulatoryDeferral
-9669000 usd
us-gaap Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
-217200000 usd
us-gaap Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
-166800000 usd
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
1086000 usd
CY2022Q2 us-gaap Derivative Assets Current
DerivativeAssetsCurrent
60652000 usd
CY2022Q4 us-gaap Public Utilities Inventory
PublicUtilitiesInventory
87096000 usd
CY2022Q2 us-gaap Assets
Assets
4100518000 usd
CY2022Q2 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
1045530000 usd
CY2023Q2 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
128417000 usd

Files In Submission

Name View Source Status
0001733998-23-000042-index-headers.html Edgar Link pending
0001733998-23-000042-index.html Edgar Link pending
0001733998-23-000042.txt Edgar Link pending
0001733998-23-000042-xbrl.zip Edgar Link pending
ex3112023q2.htm Edgar Link pending
ex3122023q2.htm Edgar Link pending
ex3132023q2.htm Edgar Link pending
ex3142023q2.htm Edgar Link pending
ex3212023q2.htm Edgar Link pending
ex3222023q2.htm Edgar Link pending
Financial_Report.xlsx Edgar Link pending
MetaLinks.json Edgar Link pending
nwn-20230630.htm Edgar Link pending
nwn-20230630.xsd Edgar Link pending
FilingSummary.xml Edgar Link unprocessable
nwn-20230630_cal.xml Edgar Link unprocessable
nwn-20230630_def.xml Edgar Link unprocessable
nwn-20230630_g1.jpg Edgar Link pending
nwn-20230630_g2.jpg Edgar Link pending
R1.htm Edgar Link pending
R10.htm Edgar Link pending
R11.htm Edgar Link pending
R12.htm Edgar Link pending
R13.htm Edgar Link pending
R14.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
R39.htm Edgar Link pending
R4.htm Edgar Link pending
R40.htm Edgar Link pending
R41.htm Edgar Link pending
R42.htm Edgar Link pending
R43.htm Edgar Link pending
R44.htm Edgar Link pending
R45.htm Edgar Link pending
R46.htm Edgar Link pending
R47.htm Edgar Link pending
R48.htm Edgar Link pending
R49.htm Edgar Link pending
R5.htm Edgar Link pending
R50.htm Edgar Link pending
R51.htm Edgar Link pending
R52.htm Edgar Link pending
R53.htm Edgar Link pending
nwn-20230630_pre.xml Edgar Link unprocessable
nwn-20230630_htm.xml Edgar Link completed
R54.htm Edgar Link pending
R55.htm Edgar Link pending
R56.htm Edgar Link pending
R57.htm Edgar Link pending
R58.htm Edgar Link pending
R59.htm Edgar Link pending
R6.htm Edgar Link pending
R60.htm Edgar Link pending
R61.htm Edgar Link pending
R62.htm Edgar Link pending
R63.htm Edgar Link pending
R64.htm Edgar Link pending
R65.htm Edgar Link pending
R66.htm Edgar Link pending
R67.htm Edgar Link pending
R68.htm Edgar Link pending
R7.htm Edgar Link pending
R8.htm Edgar Link pending
R9.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending
nwn-20230630_lab.xml Edgar Link unprocessable