$OTTR
Otter Tail Corp Stock $ottr

$ottr Overview Financials Valuation SEC Filings Company Website

2022 Q3 Form 10-Q Financial Statement

#000146659322000051 Filed on August 03, 2022

Income Statement

Concept	2022 Q3	2022 Q2	2022 Q1
Revenue	$383.9M	$400.0M	$374.9M
YoY Change	21.36%	40.07%	43.25%
Cost Of Revenue	$199.1M	$176.6M	$172.3M
YoY Change	38.16%	32.09%	42.15%
Gross Profit	$184.8M	$223.4M	$202.6M
YoY Change	7.3%	47.08%	44.21%
Gross Profit Margin	48.14%	55.85%	54.04%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$22.72M	$23.57M	$23.55M
YoY Change	-0.43%	1.71%	6.43%
% of Gross Profit	12.29%	10.55%	11.62%
Operating Expenses	$68.65M	$102.3M	$104.3M
YoY Change	-29.72%	11.16%	8.33%
Operating Profit	$116.1M	$121.1M	$98.30M
YoY Change	55.82%	102.38%	122.4%
Interest Expense	-$9.259M	-$8.991M	-$8.948M
YoY Change	-4.03%	-5.9%	-4.81%
% of Operating Profit	-7.97%	-7.43%	-9.1%
Other Income/Expense, Net	-$174.0K	-$889.0K	$260.0K
YoY Change	-185.71%	-221.12%	-77.59%
Pretax Income	$106.8M	$111.9M	$89.63M
YoY Change	65.31%	122.2%	151.93%
Income Tax	$22.51M	$26.00M	$17.63M
% Of Pretax Income	21.09%	23.23%	19.67%
Net Earnings	$84.24M	$85.94M	$72.00M
YoY Change	59.68%	104.28%	137.41%
Net Earnings / Revenue	21.95%	21.48%	19.21%
Basic Earnings Per Share	$2.02	$2.07	$1.73
Diluted Earnings Per Share	$2.01	$2.05	$1.72
COMMON SHARES
Basic Shares Outstanding	41.63M shares	41.60M shares	41.55M shares
Diluted Shares Outstanding	41.97M shares	41.94M shares	41.87M shares

Balance Sheet

Concept	2022 Q3	2022 Q2	2022 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$72.99M	$61.99M	$1.371M
YoY Change	5637.97%	4088.45%	14.25%
Cash & Equivalents	$72.99M	$61.99M	$1.371M
Short-Term Investments
Other Short-Term Assets	$17.41M	$15.92M	$14.50M
YoY Change	-2.2%	16.03%	52.34%
Inventory	$146.4M	$147.0M	$145.9M
Prepaid Expenses
Receivables	$193.8M	$198.9M	$190.5M
Other Receivables	$0.00	$7.143M	$8.139M
Total Short-Term Assets	$460.5M	$471.4M	$402.4M
YoY Change	37.47%	54.6%	55.39%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.187B	$2.150B	$2.128B
YoY Change	4.96%	3.71%	3.28%
Goodwill	$37.57M	$37.57M	$37.57M
YoY Change	0.0%	0.0%	0.0%
Intangibles	$8.218M	$8.493M	$8.768M
YoY Change	-11.81%	-11.48%	-11.16%
Long-Term Investments	$52.97M	$53.56M	$57.89M
YoY Change	-4.49%	-4.04%	6.42%
Other Assets	$35.42M	$32.62M	$32.36M
YoY Change	3.88%	6.3%	10.29%
Total Long-Term Assets	$2.437B	$2.404B	$2.389B
YoY Change	2.49%	1.58%	1.26%
TOTAL ASSETS
Total Short-Term Assets	$460.5M	$471.4M	$402.4M
Total Long-Term Assets	$2.437B	$2.404B	$2.389B
Total Assets	$2.898B	$2.876B	$2.792B
YoY Change	6.81%	7.63%	6.61%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$122.0M	$133.3M	$119.0M
YoY Change	-9.92%	1.58%	5.26%
Accrued Expenses	$73.11M	$24.80M	$19.85M
YoY Change	156.93%	4.32%	12.76%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$97.77M
YoY Change	-100.0%	-100.0%	-27.5%
Long-Term Debt Due	$0.00	$30.00M	$29.99M
YoY Change	-100.0%	-78.57%	-78.57%
Total Short-Term Liabilities	$241.9M	$288.2M	$373.2M
YoY Change	-52.59%	-40.4%	-18.78%
LONG-TERM LIABILITIES
Long-Term Debt	$823.8M	$823.7M	$734.1M
YoY Change	38.54%	31.89%	17.55%
Other Long-Term Liabilities	$60.94M	$62.99M	$63.50M
YoY Change	-2.25%	1.34%	-0.13%
Total Long-Term Liabilities	$648.3M	$647.1M	$637.4M
YoY Change	-1.17%	-0.21%	-1.45%
TOTAL LIABILITIES
Total Short-Term Liabilities	$241.9M	$288.2M	$373.2M
Total Long-Term Liabilities	$648.3M	$647.1M	$637.4M
Total Liabilities	$890.1M	$935.3M	$1.011B
YoY Change	-23.66%	-17.37%	-8.65%
SHAREHOLDERS EQUITY
Retained Earnings	$560.4M	$493.4M	$424.6M
YoY Change	67.59%	65.64%	56.11%
Common Stock	$630.6M	$630.1M	$629.5M
YoY Change	0.69%	0.73%	0.84%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.184B	$1.117B	$1.047B
YoY Change
Total Liabilities & Shareholders Equity	$2.898B	$2.876B	$2.792B
YoY Change	6.81%	7.63%	6.61%

Cashflow Statement

Concept	2022 Q3	2022 Q2	2022 Q1
OPERATING ACTIVITIES
Net Income	$84.24M	$85.94M	$72.00M
YoY Change	59.68%	104.28%	137.41%
Depreciation, Depletion And Amortization	$22.72M	$23.57M	$23.55M
YoY Change	-0.43%	1.71%	6.43%
Cash From Operating Activities	$112.3M	$130.2M	$45.42M
YoY Change	30.36%	144.42%	197.42%
INVESTING ACTIVITIES
Capital Expenditures	-$52.44M	-$42.08M	-$28.71M
YoY Change	29.72%	57.07%	-42.69%
Acquisitions
YoY Change
Other Investing Activities	-$1.225M	-$365.0K	-$2.739M
YoY Change	371.15%	-40.36%	-349.0%
Cash From Investing Activities	-$53.66M	-$42.45M	-$31.45M
YoY Change	31.91%	54.9%	-35.84%
FINANCING ACTIVITIES
Cash Dividend Paid			$17.18M
YoY Change			6.0%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net			$0.00
YoY Change			-100.0%
Cash From Financing Activities	-47.68M	-27.15M	-$14.13M
YoY Change	4.33%	5.83%	-141.81%
NET CHANGE
Cash From Operating Activities	112.3M	130.2M	$45.42M
Cash From Investing Activities	-53.66M	-42.45M	-$31.45M
Cash From Financing Activities	-47.68M	-27.15M	-$14.13M
Net Change In Cash	11.00M	60.62M	-$166.0K
YoY Change	-5387.5%	27834.56%	-438.78%
FREE CASH FLOW
Cash From Operating Activities	$112.3M	$130.2M	$45.42M
Capital Expenditures	-$52.44M	-$42.08M	-$28.71M
Free Cash Flow	$164.8M	$172.3M	$74.13M
YoY Change	30.16%	115.19%	13.39%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001466593
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	0-53713
	dei	Entity Registrant Name EntityRegistrantName	OTTER TAIL CORPORATION
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MN
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	27-0383995
	dei	Entity Address Address Line1 EntityAddressAddressLine1	215 South Cascade Street
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Box 496
	dei	Entity Address City Or Town EntityAddressCityOrTown	Fergus Falls
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MN
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	56538-0496
	dei	City Area Code CityAreaCode	866
	dei	Local Phone Number LocalPhoneNumber	410-8780
	dei	Security12b Title Security12bTitle	Common Shares, par value $5.00 per share
	dei	Trading Symbol TradingSymbol	OTTR
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	41630799	shares
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	61989000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1537000	usd
CY2022Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	225838000	usd
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	174953000	usd
CY2022Q2	us-gaap	Inventory Net InventoryNet	146964000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	148490000	usd
CY2022Q2	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	20675000	usd
CY2021Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	27342000	usd
CY2022Q2	us-gaap	Other Assets Current OtherAssetsCurrent	15923000	usd
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	17032000	usd
CY2022Q2	us-gaap	Assets Current AssetsCurrent	471389000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	369354000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	37572000	usd
CY2022Q2	us-gaap	Long Term Investments LongTermInvestments	53555000	usd
CY2021Q4	us-gaap	Long Term Investments LongTermInvestments	56690000	usd
CY2022Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	32618000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	32057000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2149919000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2124605000	usd
CY2022Q2	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	121954000	usd
CY2021Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	125508000	usd
CY2022Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	8493000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	9044000	usd
CY2022Q2	us-gaap	Goodwill Goodwill	37572000	usd
CY2022Q2	us-gaap	Assets Noncurrent AssetsNoncurrent	2404111000	usd
CY2021Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	2385476000	usd
CY2022Q2	us-gaap	Assets Assets	2875500000	usd
CY2021Q4	us-gaap	Assets Assets	2754830000	usd
CY2022Q2	us-gaap	Short Term Borrowings ShortTermBorrowings	0	usd
CY2021Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	91163000	usd
CY2022Q2	us-gaap	Long Term Debt Current LongTermDebtCurrent	29996000	usd
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	29983000	usd
CY2022Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	133287000	usd
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	135089000	usd
CY2022Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	24803000	usd
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CY2022Q2	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	22037000	usd
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CY2022Q2	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	19458000	usd
CY2021Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	24844000	usd
CY2022Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	58572000	usd
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	55671000	usd
CY2022Q2	us-gaap	Liabilities Current LiabilitiesCurrent	288153000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	387699000	usd
CY2022Q2	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	51783000	usd
CY2021Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	73973000	usd
CY2022Q2	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	66665000	usd
CY2021Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	66481000	usd
CY2022Q2	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	235456000	usd
CY2021Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	234430000	usd
CY2022Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	213919000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	188268000	usd
CY2022Q2	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	16288000	usd
CY2021Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	16661000	usd
CY2022Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	62994000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	62527000	usd
CY2022Q2	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	647105000	usd
CY2021Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	642340000	usd
CY2022Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	823699000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	734014000	usd
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2022Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2022Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2022Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	41630799	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	41551524	shares
CY2022Q2	us-gaap	Common Stock Value CommonStockValue	208154000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	207758000	usd
CY2022Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	421951000	usd
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	419760000	usd
CY2022Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	493351000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	369783000	usd
CY2022Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6913000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6524000	usd
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CY2022Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2875500000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2754830000	usd
CY2022Q2	us-gaap	Revenues Revenues	400040000	usd
CY2021Q2	us-gaap	Revenues Revenues	285608000	usd
	us-gaap	Revenues Revenues	774944000	usd
	us-gaap	Revenues Revenues	547318000	usd
CY2022Q2	us-gaap	Utilities Operating Expense Fuel Used UtilitiesOperatingExpenseFuelUsed	14714000	usd
CY2021Q2	us-gaap	Utilities Operating Expense Fuel Used UtilitiesOperatingExpenseFuelUsed	12164000	usd
	us-gaap	Utilities Operating Expense Fuel Used UtilitiesOperatingExpenseFuelUsed	29567000	usd
	us-gaap	Utilities Operating Expense Fuel Used UtilitiesOperatingExpenseFuelUsed	26878000	usd
CY2022Q2	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	24162000	usd
CY2021Q2	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	11135000	usd
	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	44691000	usd
	us-gaap	Utilities Operating Expense Purchased Power UtilitiesOperatingExpensePurchasedPower	30395000	usd
CY2022Q2	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	42379000	usd
CY2021Q2	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	36729000	usd
	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	86659000	usd
	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	78150000	usd
CY2022Q2	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	152466000	usd
CY2021Q2	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	122578000	usd
	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	304225000	usd
	us-gaap	Cost Of Goods And Service Excluding Depreciation Depletion And Amortization CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization	224555000	usd
CY2022Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	17252000	usd
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	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	34457000	usd
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	29362000	usd
CY2022Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	23566000	usd
CY2021Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	23169000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	47113000	usd
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	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	45295000	usd
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	ottr	Utilities Operating Expense Property Taxes UtilitiesOperatingExpensePropertyTaxes	8866000	usd
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CY2022Q2	us-gaap	Costs And Expenses CostsAndExpenses	278974000	usd
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	us-gaap	Costs And Expenses CostsAndExpenses	555578000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	443297000	usd
CY2022Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	121066000	usd
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	59822000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	219366000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	104021000	usd
CY2022Q2	us-gaap	Interest And Debt Expense InterestAndDebtExpense	8991000	usd
CY2021Q2	us-gaap	Interest And Debt Expense InterestAndDebtExpense	9555000	usd
	us-gaap	Interest And Debt Expense InterestAndDebtExpense	17939000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13556000	usd
	us-gaap	Interest And Debt Expense InterestAndDebtExpense	18953000	usd
CY2022Q2	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-751000	usd
CY2021Q2	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	624000	usd
	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	-772000	usd
	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	1006000	usd
CY2022Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-889000	usd
CY2021Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	734000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-629000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1892000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	111937000	usd
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	50377000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	201570000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	85954000	usd
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	26000000	usd
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8308000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	43630000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	85937000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	42069000	usd
	us-gaap	Net Income Loss NetIncomeLoss	157940000	usd
	us-gaap	Net Income Loss NetIncomeLoss	72398000	usd
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41597000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41500000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41573000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41478000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41944000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41818000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41907000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41759000	shares
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.07
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.01
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.80
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.75
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.05
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.01
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.77
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.73
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	85937000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	42069000	usd
	us-gaap	Net Income Loss NetIncomeLoss	157940000	usd
	us-gaap	Net Income Loss NetIncomeLoss	72398000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-20000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-10000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-81000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-20000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-74000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-40000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-305000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-75000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-37000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-50000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	216000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	29000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-103000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-106000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-141000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	84000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-291000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	32000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	101000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-389000	usd
CY2022Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	85969000	usd
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	42170000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	157551000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	72614000	usd
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	1047138000	usd
CY2022Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	20000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	85937000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	32000	usd
CY2022Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	607000	usd
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.4125
CY2022Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	17191000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	1116543000	usd
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	887866000	usd
CY2021Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	19000	usd
CY2021Q2	ottr	Stock Issued During Period Value Dividend Reinvestment And Employee Stock Purchase Plans StockIssuedDuringPeriodValueDividendReinvestmentAndEmployeeStockPurchasePlans	-41000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	42069000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	101000	usd
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1327000	usd
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.39
CY2021Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	16218000	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	915123000	usd
	ottr	Stock Issued During Period Value Dividend Reinvestment And Employee Stock Purchase Plans StockIssuedDuringPeriodValueDividendReinvestmentAndEmployeeStockPurchasePlans	-67000	usd
	us-gaap	Net Income Loss NetIncomeLoss	72398000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	990777000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-2924000	usd
	us-gaap	Net Income Loss NetIncomeLoss	157940000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-389000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5511000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.825
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	34372000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	1116543000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	870966000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-1488000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	216000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5524000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.78
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	32426000	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	915123000	usd
	us-gaap	Net Income Loss NetIncomeLoss	157940000	usd
	us-gaap	Net Income Loss NetIncomeLoss	72398000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	47113000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	45295000	usd
	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	-373000	usd
	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	-372000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	25160000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11327000	usd
	us-gaap	Pension Contributions PensionContributions	20000000	usd
	us-gaap	Pension Contributions PensionContributions	10000000	usd
	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	617000	usd
	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	172000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	5511000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	5524000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-4893000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	2864000	usd
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	50885000	usd
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	49465000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-2889000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	10859000	usd
	us-gaap	Increase Decrease In Other Regulatory Assets IncreaseDecreaseInOtherRegulatoryAssets	-5604000	usd
	us-gaap	Increase Decrease In Other Regulatory Assets IncreaseDecreaseInOtherRegulatoryAssets	-5753000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-3240000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	12920000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1933000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	16905000	usd
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-3394000	usd
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-468000	usd
	us-gaap	Increase Decrease In Regulatory Liabilities IncreaseDecreaseInRegulatoryLiabilities	-3859000	usd
	us-gaap	Increase Decrease In Regulatory Liabilities IncreaseDecreaseInRegulatoryLiabilities	-4811000	usd
	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	475000	usd
	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	3303000	usd
	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	5944000	usd
	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	4074000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-73895000	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	169000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	175630000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	68574000	usd
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	70791000	usd
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	76891000	usd
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	2840000	usd
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	4562000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-76403000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-91163000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	46960000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	90000000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	usd
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	34372000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	32426000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2942000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1507000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-2806000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-4712000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-41283000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	8146000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	60452000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	317000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1537000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1163000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	61989000	usd
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1480000	usd
CY2022Q2	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	11116000	usd
CY2021Q2	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	24390000	usd
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	segment
	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-bottom:6pt"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We use estimates based on the best information available in recording transactions and balances resulting from business operations. As better information becomes available or actual amounts are known, the recorded estimates are revised. Consequently, operating results can be affected by revisions to prior accounting estimates.</span></div>
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Reclassifications</span></div><div style="margin-bottom:6pt"><span style="color:#000000;font-family:'Calibri',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Certain reclassifications of amounts previously reported have been made to the accompanying consolidated statements of shareholders' equity and consolidated statements of cash flows to maintain consistency and comparability between periods presented. The reclassifications had no impact on previously reported shareholders' equity, net cash provided by operating activities, net cash used in investing activities, net cash (used in) provided by financing activities, or cash and cash equivalents.</span></div>
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2022Q2	us-gaap	Revenues Revenues	400040000	usd
CY2021Q2	us-gaap	Revenues Revenues	285608000	usd
	us-gaap	Revenues Revenues	774944000	usd
	us-gaap	Revenues Revenues	547318000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	85937000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	42069000	usd
	us-gaap	Net Income Loss NetIncomeLoss	157940000	usd
	us-gaap	Net Income Loss NetIncomeLoss	72398000	usd
CY2022Q2	us-gaap	Assets Assets	2875500000	usd
CY2021Q4	us-gaap	Assets Assets	2754830000	usd
CY2022Q2	us-gaap	Revenues Revenues	400040000	usd
CY2021Q2	us-gaap	Revenues Revenues	285608000	usd
	us-gaap	Revenues Revenues	774944000	usd
	us-gaap	Revenues Revenues	547318000	usd
CY2022Q2	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	200682000	usd
CY2021Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	142297000	usd
CY2022Q2	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	7143000	usd
CY2021Q4	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	10591000	usd
CY2022Q2	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	19770000	usd
CY2021Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	23901000	usd
CY2022Q2	us-gaap	Accounts Receivable Gross AccountsReceivableGross	227595000	usd
CY2021Q4	us-gaap	Accounts Receivable Gross AccountsReceivableGross	176789000	usd
CY2022Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1757000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1836000	usd
CY2022Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	225838000	usd
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	174953000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1836000	usd
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	3215000	usd
	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	382000	usd
	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	284000	usd
	ottr	Accounts Receivable Allowance For Credit Loss Writeoff After Recovery AccountsReceivableAllowanceForCreditLossWriteoffAfterRecovery	461000	usd
	ottr	Accounts Receivable Allowance For Credit Loss Writeoff After Recovery AccountsReceivableAllowanceForCreditLossWriteoffAfterRecovery	773000	usd
CY2022Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1757000	usd
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2726000	usd
CY2022Q2	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	79735000	usd
CY2021Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	72882000	usd
CY2022Q2	us-gaap	Inventory Work In Process InventoryWorkInProcess	34700000	usd
CY2021Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	35705000	usd
CY2022Q2	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	32529000	usd
CY2021Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	39903000	usd
CY2022Q2	us-gaap	Inventory Net InventoryNet	146964000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	148490000	usd
CY2022Q2	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	37502000	usd
CY2021Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	41078000	usd
CY2022Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	8351000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	9202000	usd
CY2022Q2	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	2122000	usd
CY2021Q4	us-gaap	Money Market Funds At Carrying Value MoneyMarketFundsAtCarryingValue	949000	usd
CY2022Q2	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	5546000	usd
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	5432000	usd
CY2022Q2	us-gaap	Other Investments OtherInvestments	34000	usd
CY2021Q4	us-gaap	Other Investments OtherInvestments	29000	usd
CY2022Q2	us-gaap	Investments Investments	53555000	usd
CY2021Q4	us-gaap	Investments Investments	56690000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2149919000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2124605000	usd
CY2022Q2	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	20675000	usd
CY2022Q2	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	121954000	usd
CY2021Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	27342000	usd
CY2021Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	125508000	usd
CY2022Q2	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	19458000	usd
CY2022Q2	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	235456000	usd
CY2021Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	24844000	usd
CY2021Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	234430000	usd
CY2022Q2	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	340000000	usd
CY2022Q2	us-gaap	Short Term Borrowings ShortTermBorrowings	0	usd
CY2022Q2	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	7844000	usd
CY2022Q2	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	332156000	usd
CY2021Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	235678000	usd
CY2022Q2	us-gaap	Long Term Debt LongTermDebt	857000000	usd
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	767000000	usd
CY2022Q2	us-gaap	Long Term Debt Current LongTermDebtCurrent	29996000	usd
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	29983000	usd
CY2022Q2	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	3305000	usd
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	3003000	usd
CY2022Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	823699000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	734014000	usd
CY2022Q2	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	1480000	usd
CY2021Q2	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	2843000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	2959000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	5684000	usd
CY2022Q2	ottr	Defined Benefit Plan Net Periodic Benefit Cost Credit Deferred DefinedBenefitPlanNetPeriodicBenefitCostCreditDeferred	204000	usd
CY2021Q2	ottr	Defined Benefit Plan Net Periodic Benefit Cost Credit Deferred DefinedBenefitPlanNetPeriodicBenefitCostCreditDeferred	-123000	usd
	ottr	Defined Benefit Plan Net Periodic Benefit Cost Credit Deferred DefinedBenefitPlanNetPeriodicBenefitCostCreditDeferred	-324000	usd
	ottr	Defined Benefit Plan Net Periodic Benefit Cost Credit Deferred DefinedBenefitPlanNetPeriodicBenefitCostCreditDeferred	-7000	usd
CY2022Q2	ottr	Defined Benefit Plan Net Periodic Benefit Cost Credit Net Of Deferrals DefinedBenefitPlanNetPeriodicBenefitCostCreditNetOfDeferrals	1276000	usd
CY2021Q2	ottr	Defined Benefit Plan Net Periodic Benefit Cost Credit Net Of Deferrals DefinedBenefitPlanNetPeriodicBenefitCostCreditNetOfDeferrals	2966000	usd
	ottr	Defined Benefit Plan Net Periodic Benefit Cost Credit Net Of Deferrals DefinedBenefitPlanNetPeriodicBenefitCostCreditNetOfDeferrals	3283000	usd
	ottr	Defined Benefit Plan Net Periodic Benefit Cost Credit Net Of Deferrals DefinedBenefitPlanNetPeriodicBenefitCostCreditNetOfDeferrals	5691000	usd
CY2022Q2	ottr	Effective Income Tax Rate Reconciliation Deduction Production Tax Credits Percent EffectiveIncomeTaxRateReconciliationDeductionProductionTaxCreditsPercent	0.042
CY2021Q2	ottr	Effective Income Tax Rate Reconciliation Deduction Production Tax Credits Percent EffectiveIncomeTaxRateReconciliationDeductionProductionTaxCreditsPercent	0.063
	ottr	Effective Income Tax Rate Reconciliation Deduction Production Tax Credits Percent EffectiveIncomeTaxRateReconciliationDeductionProductionTaxCreditsPercent	0.043
CY2022Q2	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021Q2	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2022Q2	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.050
CY2021Q2	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.050
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.050
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.050
	ottr	Effective Income Tax Rate Reconciliation Deduction Production Tax Credits Percent EffectiveIncomeTaxRateReconciliationDeductionProductionTaxCreditsPercent	0.068
CY2022Q2	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0
CY2021Q2	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.020
	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.005
	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.024
CY2022Q2	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.001
CY2021Q2	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.003
	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.002
	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.003
CY2022Q2	ottr	Effective Income Tax Rate Reconciliation Corporate Owned Life Insurance Percent EffectiveIncomeTaxRateReconciliationCorporateOwnedLifeInsurancePercent	0.009
CY2021Q2	ottr	Effective Income Tax Rate Reconciliation Corporate Owned Life Insurance Percent EffectiveIncomeTaxRateReconciliationCorporateOwnedLifeInsurancePercent	-0.010
	ottr	Effective Income Tax Rate Reconciliation Corporate Owned Life Insurance Percent EffectiveIncomeTaxRateReconciliationCorporateOwnedLifeInsurancePercent	0.006
	ottr	Effective Income Tax Rate Reconciliation Corporate Owned Life Insurance Percent EffectiveIncomeTaxRateReconciliationCorporateOwnedLifeInsurancePercent	-0.008
CY2022Q2	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.006
CY2021Q2	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2022Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.232
CY2021Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.165
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.216
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.158
CY2022Q2	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-75000	usd
CY2021Q2	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-1000	usd
CY2022Q2	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-107000	usd
CY2021Q2	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-102000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	32000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	101000	usd
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-306000	usd
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-32000	usd
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	83000	usd
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-248000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-389000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	216000	usd
CY2022Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	600000	usd
CY2021Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1300000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5500000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5500000	usd
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41597000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41500000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41573000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41478000	shares
CY2022Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	347000	shares
CY2021Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	318000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	334000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	281000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41944000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41818000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41907000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41759000	shares

Files In Submission

Name	View Source	Status
0001466593-22-000051-index-headers.html	Edgar Link	pending
0001466593-22-000051-index.html	Edgar Link	pending
0001466593-22-000051.txt	Edgar Link	pending
0001466593-22-000051-xbrl.zip	Edgar Link	pending
a2022q210-qex311.htm	Edgar Link	pending
a2022q210-qex312.htm	Edgar Link	pending
a2022q210-qex321.htm	Edgar Link	pending
a2022q210-qex322.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
ottr-20220630.htm	Edgar Link	pending
ottr-20220630.xsd	Edgar Link	pending
ottr-20220630_cal.xml	Edgar Link	unprocessable
ottr-20220630_def.xml	Edgar Link	unprocessable
ottr-20220630_htm.xml	Edgar Link	completed
ottr-20220630_lab.xml	Edgar Link	unprocessable
ottr-20220630_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
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R9999.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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2022 Q3 Form 10-Q Financial Statement

#000146659322000051 Filed on August 03, 2022

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$OTTR Otter Tail Corp Stock $ottr

2022 Q3 Form 10-Q Financial Statement

#000146659322000051 Filed on August 03, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OTTR
Otter Tail Corp Stock $ottr