$OTTR
Otter Tail Corp Stock $ottr

$ottr Overview Financials Valuation SEC Filings Company Website

2020 Q1 Form 10-Q Financial Statement

#000143774920009976 Filed on May 08, 2020

Income Statement

Concept	2020 Q1	2019 Q1	2018 Q4
Revenue	$234.7M	$246.0M	$221.2M
YoY Change	-4.56%	1.95%	7.01%
Cost Of Revenue	$104.7M	$112.5M	$101.6M
YoY Change	-6.93%	1.9%	16.92%
Gross Profit	$130.0M	$133.5M	$119.6M
YoY Change	-2.62%	1.99%	-0.17%
Gross Profit Margin	55.38%	54.27%	54.07%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$20.40M	$19.13M	$18.50M
YoY Change	6.63%	1.96%	-1.6%
% of Gross Profit	15.69%	14.33%	15.47%
Operating Expenses	$90.80M	$93.90M	$96.20M
YoY Change	-3.3%	0.64%	18.04%
Operating Profit	$39.29M	$39.57M	$23.40M
YoY Change	-0.71%	5.19%	-38.9%
Interest Expense	-$8.100M	-$7.800M	-$7.800M
YoY Change	3.85%	5.41%	8.33%
% of Operating Profit	-20.62%	-19.71%	-33.33%
Other Income/Expense, Net	-$389.0K	$1.244M	-$1.100M
YoY Change	-131.27%	5.16%	-76.6%
Pretax Income	$29.91M	$31.95M	$14.50M
YoY Change	-6.4%	6.47%	-45.08%
Income Tax	$5.638M	$5.628M	$400.0K
% Of Pretax Income	18.85%	17.61%	2.76%
Net Earnings	$24.27M	$26.32M	$14.20M
YoY Change	-7.81%	0.42%	-22.83%
Net Earnings / Revenue	10.34%	10.7%	6.42%
Basic Earnings Per Share	$0.60	$0.66
Diluted Earnings Per Share	$0.60	$0.66	$355.9K
COMMON SHARES
Basic Shares Outstanding	40.22M shares	39.66M
Diluted Shares Outstanding	40.44M shares	39.90M

Balance Sheet

Concept	2020 Q1	2019 Q1	2018 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$7.900M	$900.0K	$900.0K
YoY Change	777.78%	-18.18%	-94.44%
Cash & Equivalents	$7.884M	$891.0K	$861.0K
Short-Term Investments
Other Short-Term Assets	$7.347M	$9.986M	$6.114M
YoY Change	-26.43%	-10.92%	-51.05%
Inventory	$98.15M	$106.7M	$106.3M
Prepaid Expenses
Receivables	$96.16M	$113.1M	$75.14M
Other Receivables	$7.228M	$8.827M	$9.741M
Total Short-Term Assets	$256.2M	$273.7M	$241.4M
YoY Change	-6.4%	13.98%	0.96%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.789B	$1.579B	$1.581B
YoY Change	13.32%	2.13%	2.7%
Goodwill	$37.57M	$37.57M	$37.57M
YoY Change	0.0%	0.0%	0.0%
Intangibles	$10.99M	$12.15M	$12.45M
YoY Change	-9.55%	-9.43%	-9.55%
Long-Term Investments	$9.500M	$9.200M	$9.000M
YoY Change	3.26%	6.98%	4.65%
Other Assets	$38.25M	$38.65M	$35.76M
YoY Change	-1.04%	8.08%	-0.69%
Total Long-Term Assets	$2.050B	$1.831B	$1.811B
YoY Change	11.96%	3.6%	2.6%
TOTAL ASSETS
Total Short-Term Assets	$256.2M	$273.7M	$241.4M
Total Long-Term Assets	$2.050B	$1.831B	$1.811B
Total Assets	$2.306B	$2.105B	$2.053B
YoY Change	9.57%	4.84%	2.41%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$99.50M	$100.5M	$96.29M
YoY Change	-0.99%	15.28%	13.72%
Accrued Expenses	$28.00M	$27.60M	$37.00M
YoY Change	1.45%	11.74%	12.46%
Deferred Revenue
YoY Change
Short-Term Debt	$19.89M	$43.60M	$18.60M
YoY Change	-54.37%	43.81%	-83.45%
Long-Term Debt Due	$306.0K	$174.0K	$172.0K
YoY Change	75.86%	1.75%	-7.53%
Total Short-Term Liabilities	$175.7M	$200.7M	$170.1M
YoY Change	-12.47%	20.84%	-33.73%
LONG-TERM LIABILITIES
Long-Term Debt	$724.3M	$590.0M	$590.0M
YoY Change	22.76%	0.01%	20.32%
Other Long-Term Liabilities	$30.91M	$26.35M	$24.33M
YoY Change	17.3%	12.23%	6.84%
Total Long-Term Liabilities	$755.2M	$616.4M	$614.3M
YoY Change	22.53%	0.48%	19.72%
TOTAL LIABILITIES
Total Short-Term Liabilities	$175.7M	$200.7M	$170.1M
Total Long-Term Liabilities	$755.2M	$616.4M	$614.3M
Total Liabilities	$930.9M	$817.1M	$784.4M
YoY Change	13.93%	4.82%	1.9%
SHAREHOLDERS EQUITY
Retained Earnings	$231.7M	$203.6M	$190.4M
YoY Change	13.79%	16.88%	18.07%
Common Stock	$574.6M	$541.6M	$542.6M
YoY Change	6.08%	0.31%	0.25%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$800.0M	$740.5M	$728.9M
YoY Change
Total Liabilities & Shareholders Equity	$2.306B	$2.105B	$2.053B
YoY Change	9.57%	4.84%	2.41%

Cashflow Statement

Concept	2020 Q1	2019 Q1	2018 Q4
OPERATING ACTIVITIES
Net Income	$24.27M	$26.32M	$14.20M
YoY Change	-7.81%	0.42%	-22.83%
Depreciation, Depletion And Amortization	$20.40M	$19.13M	$18.50M
YoY Change	6.63%	1.96%	-1.6%
Cash From Operating Activities	$21.78M	$17.15M	$42.50M
YoY Change	26.98%	269.61%	-28.57%
INVESTING ACTIVITIES
Capital Expenditures	-$75.10M	-$24.70M	-$30.90M
YoY Change	204.05%	4.66%	-19.53%
Acquisitions
YoY Change
Other Investing Activities	$0.00	-$700.0K	-$600.0K
YoY Change	-100.0%	250.0%	-160.0%
Cash From Investing Activities	-$75.06M	-$25.44M	-$31.50M
YoY Change	195.09%	6.75%	-15.55%
FINANCING ACTIVITIES
Cash Dividend Paid	$14.91M	$13.92M
YoY Change	7.08%	4.74%
Common Stock Issuance & Retirement, Net	-$6.327M	$2.730M
YoY Change	-331.76%	13.33%
Debt Paid & Issued, Net	$45.00K	$42.00K
YoY Change	7.14%	-30.0%
Cash From Financing Activities	$39.97M	$8.316M	-10.90M
YoY Change	380.6%	103.23%	60.29%
NET CHANGE
Cash From Operating Activities	$21.78M	$17.15M	42.50M
Cash From Investing Activities	-$75.06M	-$25.44M	-31.50M
Cash From Financing Activities	$39.97M	$8.316M	-10.90M
Net Change In Cash	-$13.32M	$30.00K	100.0K
YoY Change	-44483.33%	-100.2%	-99.35%
FREE CASH FLOW
Cash From Operating Activities	$21.78M	$17.15M	$42.50M
Capital Expenditures	-$75.10M	-$24.70M	-$30.90M
Free Cash Flow	$96.88M	$41.85M	$73.40M
YoY Change	131.49%	48.19%	-25.03%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019Q4	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	20911000	USD
CY2020Q1	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	0	USD
CY2020Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	40416779
CY2020Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2020Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000
CY2020Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	40376448
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	40157591
CY2020Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	7884000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	21199000	USD
CY2020Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	96158000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	77947000	USD
CY2020Q1	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	7228000	USD
CY2019Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	8773000	USD
CY2020Q1	us-gaap	Inventory Net InventoryNet	98152000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	97851000	USD
CY2020Q1	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	19057000	USD
CY2019Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	1487000	USD
CY2020Q1	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	20358000	USD
CY2019Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	21650000	USD
CY2020Q1	us-gaap	Other Assets Current OtherAssetsCurrent	7347000	USD
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	5042000	USD
CY2020Q1	us-gaap	Assets Current AssetsCurrent	256184000	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	254860000	USD
CY2020Q1	us-gaap	Long Term Investments LongTermInvestments	9462000	USD
CY2019Q4	us-gaap	Long Term Investments LongTermInvestments	9894000	USD
CY2020Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	38252000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	40196000	USD
CY2020Q1	us-gaap	Goodwill Goodwill	37572000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	37572000	USD
CY2020Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	10993000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	11290000	USD
CY2020Q1	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	142734000	USD
CY2019Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	144138000	USD
CY2020Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	21433000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	21851000	USD
CY2020Q1	ottr	Public Utilities Property Plant And Equipment Electric PublicUtilitiesPropertyPlantAndEquipmentElectric	2211880000	USD
CY2019Q4	ottr	Public Utilities Property Plant And Equipment Electric PublicUtilitiesPropertyPlantAndEquipmentElectric	2212884000	USD
CY2020Q1	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	251804000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	247356000	USD
CY2020Q1	us-gaap	Construction In Progress Gross ConstructionInProgressGross	234025000	USD
CY2019Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	185238000	USD
CY2020Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2697709000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2645478000	USD
CY2020Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	908337000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	891684000	USD
CY2020Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1789372000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1753794000	USD
CY2020Q1	us-gaap	Assets Assets	2306002000	USD
CY2019Q4	us-gaap	Assets Assets	2273595000	USD
CY2020Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	19893000	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	6000000	USD
CY2020Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	306000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	183000	USD
CY2020Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	99501000	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	120775000	USD
CY2020Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	14889000	USD
CY2019Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	22730000	USD
CY2020Q1	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	18234000	USD
CY2019Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	17525000	USD
CY2020Q1	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	9804000	USD
CY2019Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	7480000	USD
CY2020Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	4197000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	4136000	USD
CY2020Q1	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	8864000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	10912000	USD
CY2020Q1	us-gaap	Liabilities Current LiabilitiesCurrent	175688000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	189741000	USD
CY2020Q1	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	87214000	USD
CY2019Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	98970000	USD
CY2019Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	1471063000	USD
CY2020Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2306002000	USD
CY2019Q1	us-gaap	Utilities Operating Expense Products And Services UtilitiesOperatingExpenseProductsAndServices	90582000	USD
CY2020Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	11900000	USD
CY2020Q1	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	4100000	USD
CY2019Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	364790000	USD
CY2020Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	231702000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	222341000	USD
CY2020Q1	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	71580000	USD
CY2019Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	71437000	USD
CY2020Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	17755000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	18193000	USD
CY2020Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	30912000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	30833000	USD
CY2020Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q1	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	137816000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	131941000	USD
CY2020Q1	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	18297000	USD
CY2019Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	18626000	USD
CY2020Q1	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	239108000	USD
CY2019Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	239906000	USD
CY2020Q1	ottr	Other Contracts With Customer Liability Noncurrent OtherContractsWithCustomerLiabilityNoncurrent	3295000	USD
CY2019Q4	ottr	Other Contracts With Customer Liability Noncurrent OtherContractsWithCustomerLiabilityNoncurrent	2885000	USD
CY2020Q1	ottr	Total Deferred Credits And Liabilities TotalDeferredCreditsAndLiabilities	398516000	USD
CY2019Q4	ottr	Total Deferred Credits And Liabilities TotalDeferredCreditsAndLiabilities	393358000	USD
CY2020Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	724318000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	689581000	USD
CY2020Q1	us-gaap	Common Stock Value CommonStockValue	201882000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	200788000	USD
CY2020Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	372669000	USD
CY2020Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6234000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6437000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	800019000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	781482000	USD
CY2020Q1	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	1524337000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2273595000	USD
CY2019Q1	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	13477000	USD
CY2020Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	20399000	USD
CY2020Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	234747000	USD
CY2019Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	245972000	USD
CY2020Q1	us-gaap	Utilities Operating Expense Fuel Used UtilitiesOperatingExpenseFuelUsed	13735000	USD
CY2019Q1	us-gaap	Utilities Operating Expense Fuel Used UtilitiesOperatingExpenseFuelUsed	18920000	USD
CY2020Q1	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	40615000	USD
CY2019Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	19131000	USD
CY2019Q1	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	38382000	USD
CY2020Q1	us-gaap	Utilities Operating Expense Products And Services UtilitiesOperatingExpenseProductsAndServices	85879000	USD
CY2019Q1	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	3959000	USD
CY2020Q1	us-gaap	Costs And Expenses CostsAndExpenses	195458000	USD
CY2019Q1	us-gaap	Costs And Expenses CostsAndExpenses	206403000	USD
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	39289000	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	39569000	USD
CY2020Q1	us-gaap	Interest And Debt Expense InterestAndDebtExpense	8123000	USD
CY2019Q1	us-gaap	Interest And Debt Expense InterestAndDebtExpense	7826000	USD
CY2020Q1	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	871000	USD
CY2019Q1	us-gaap	Net Periodic Defined Benefits Expense Reversal Of Expense Excluding Service Cost Component NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent	1035000	USD
CY2020Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-389000	USD
CY2019Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1244000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	29906000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	31952000	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5638000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5628000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	24268000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	26324000	USD
CY2020Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40217141
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39657321
CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40444336
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39903165
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.60
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.66
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.60
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.66
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	24268000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	26324000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-2000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-0	USD
CY2020Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	126000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	91000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	27000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	19000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	101000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	72000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	138000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax	130000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-36000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-34000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-102000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-96000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	203000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	168000	USD
CY2020Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	24471000	USD
CY2019Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	26492000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	781482000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	8275000	USD
CY2020Q1	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	2072000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	24268000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	203000	USD
CY2020Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2770000	USD
CY2020Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	14907000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	800019000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	728863000	USD
CY2019Q1	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	2730000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	26324000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	168000	USD
CY2019Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1796000	USD
CY2019Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	13922000	USD
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	740499000	USD
CY2019Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2020Q1	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	124000	USD
CY2019Q1	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	-0	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	24268000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	26324000	USD
CY2020Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	20399000	USD
CY2019Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	19131000	USD
CY2020Q1	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	-329000	USD
CY2019Q1	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	-337000	USD
CY2020Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5812000	USD
CY2019Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	835000	USD
CY2020Q1	ottr	Increase Decrease In Deferred Charges And Other Assets IncreaseDecreaseInDeferredChargesAndOtherAssets	5087000	USD
CY2019Q1	ottr	Increase Decrease In Deferred Charges And Other Assets IncreaseDecreaseInDeferredChargesAndOtherAssets	1464000	USD
CY2020Q1	us-gaap	Pension Contributions PensionContributions	11200000	USD
CY2019Q1	us-gaap	Pension Contributions PensionContributions	10000000	USD
CY2020Q1	ottr	Increase Decrease In Other Operating Liabilities And Increase Decrease In Deferred Liabilities IncreaseDecreaseInOtherOperatingLiabilitiesAndIncreaseDecreaseInDeferredLiabilities	-860000	USD
CY2019Q1	ottr	Increase Decrease In Other Operating Liabilities And Increase Decrease In Deferred Liabilities IncreaseDecreaseInOtherOperatingLiabilitiesAndIncreaseDecreaseInDeferredLiabilities	-8787000	USD
CY2020Q1	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	791000	USD
CY2019Q1	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	330000	USD
CY2020Q1	us-gaap	Share Based Compensation ShareBasedCompensation	2770000	USD
CY2019Q1	us-gaap	Share Based Compensation ShareBasedCompensation	1796000	USD
CY2020Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-46000	USD
CY2019Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-375000	USD
CY2020Q1	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	16666000	USD
CY2019Q1	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	37086000	USD
CY2020Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	301000	USD
CY2019Q1	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	462000	USD
CY2020Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	447000	USD
CY2019Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-128000	USD
CY2020Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-7690000	USD
CY2019Q1	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	4088000	USD
CY2020Q1	ottr	Increase Decrease In Interest Payable And Income Taxes Receivable Payable Net IncreaseDecreaseInInterestPayableAndIncomeTaxesReceivablePayableNet	-41000	USD
CY2019Q1	ottr	Increase Decrease In Interest Payable And Income Taxes Receivable Payable Net IncreaseDecreaseInInterestPayableAndIncomeTaxesReceivablePayableNet	2437000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	21777000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	17150000	USD
CY2020Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	75059000	USD
CY2019Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	24687000	USD
CY2020Q1	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	2487000	USD
CY2019Q1	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	509000	USD
CY2020Q1	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	2487000	USD
CY2019Q1	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	1258000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-75059000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-25436000	USD
CY2020Q1	ottr	Change In Checks Written In Excess Of Cash ChangeInChecksWrittenInExcessOfCash	-0	USD
CY2019Q1	ottr	Change In Checks Written In Excess Of Cash ChangeInChecksWrittenInExcessOfCash	-8000	USD
CY2020Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	13893000	USD
CY2019Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	25002000	USD
CY2020Q1	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	8399000	USD
CY2020Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2072000	USD
CY2019Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2730000	USD
CY2020Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	35000000	USD
CY2019Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2020Q1	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	177000	USD
CY2019Q1	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	-0	USD
CY2020Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	45000	USD
CY2019Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	42000	USD
CY2020Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	14907000	USD
CY2019Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	13922000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	39967000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	8316000	USD
CY2020Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-13315000	USD
CY2019Q1	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	30000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	21199000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	861000	USD
CY2020Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	7884000	USD
CY2019Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	891000	USD
CY2020Q1	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	29996000	USD
CY2019Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	31863000	USD
CY2020Q1	us-gaap	Inventory Work In Process InventoryWorkInProcess	15811000	USD
CY2019Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	16508000	USD
CY2020Q1	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	52345000	USD
CY2019Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	49480000	USD
CY2020Q1	us-gaap	Inventory Net InventoryNet	98152000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	97851000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	22670000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	11677000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	10993000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	22670000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	11380000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	11290000	USD
CY2020Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	296000	USD
CY2019Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	296000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	1140000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1105000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1105000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	1104000	USD
CY2020Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1099000	USD
CY2020Q1	ottr	Accounts Payable Outstanding Related To Capital Additions AccountsPayableOutstandingRelatedToCapitalAdditions	16193000	USD
CY2019Q1	ottr	Accounts Payable Outstanding Related To Capital Additions AccountsPayableOutstandingRelatedToCapitalAdditions	4338000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1339000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1407000	USD
CY2020Q1	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	635000	USD
CY2019Q1	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	247000	USD
CY2020Q1	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	293000	USD
CY2019Q1	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	121000	USD
CY2020Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1681000	USD
CY2019Q1	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1533000	USD
CY2020Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	pure
CY2020Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	234747000	USD
CY2019Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	245972000	USD
CY2020Q1	us-gaap	Interest And Debt Expense InterestAndDebtExpense	8123000	USD
CY2019Q1	us-gaap	Interest And Debt Expense InterestAndDebtExpense	7826000	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5638000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5628000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	24268000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	26324000	USD
CY2020Q1	us-gaap	Assets Assets	2306002000	USD
CY2019Q4	us-gaap	Assets Assets	2273595000	USD
CY2020Q1	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	20358000	USD
CY2020Q1	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	142734000	USD
CY2020Q1	us-gaap	Regulatory Assets RegulatoryAssets	163092000	USD
CY2020Q1	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	9804000	USD
CY2020Q1	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	239108000	USD
CY2020Q1	us-gaap	Regulatory Liabilities RegulatoryLiabilities	248912000	USD
CY2020Q1	ottr	Net Regulatory Assets Liability Current NetRegulatoryAssetsLiabilityCurrent	10554000	USD
CY2020Q1	ottr	Net Regulatory Assets Liability Noncurrent NetRegulatoryAssetsLiabilityNoncurrent	-96374000	USD
CY2020Q1	us-gaap	Net Regulatory Assets NetRegulatoryAssets	-85820000	USD
CY2019Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	21650000	USD
CY2019Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	144138000	USD
CY2019Q4	us-gaap	Regulatory Assets RegulatoryAssets	165788000	USD
CY2019Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	7480000	USD
CY2019Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	239906000	USD
CY2019Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	247386000	USD
CY2019Q4	ottr	Net Regulatory Assets Liability Current NetRegulatoryAssetsLiabilityCurrent	14170000	USD
CY2019Q4	ottr	Net Regulatory Assets Liability Noncurrent NetRegulatoryAssetsLiabilityNoncurrent	-95768000	USD
CY2019Q4	us-gaap	Net Regulatory Assets NetRegulatoryAssets	-81598000	USD
CY2019Q1	ottr	Incremental Common Shares Attributable To Sharebased Payment Arrangements Employee Stock Purchase Plans IncrementalCommonSharesAttributableToSharebasedPaymentArrangementsEmployeeStockPurchasePlans	0
CY2020Q1	ottr	Incremental Common Shares Attributable To Dilutive Effect Of Shares Expected To Be Issued Under Deferred Compensation Program For Directors IncrementalCommonSharesAttributableToDilutiveEffectOfSharesExpectedToBeIssuedUnderDeferredCompensationProgramForDirectors	1823
CY2019Q1	ottr	Incremental Common Shares Attributable To Dilutive Effect Of Shares Expected To Be Issued Under Deferred Compensation Program For Directors IncrementalCommonSharesAttributableToDilutiveEffectOfSharesExpectedToBeIssuedUnderDeferredCompensationProgramForDirectors	2365
CY2020Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	227195
CY2019Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	245844
CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40444336
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39903165
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	40157591
CY2020Q1	us-gaap	Stock Issued During Period Shares Dividend Reinvestment Plan StockIssuedDuringPeriodSharesDividendReinvestmentPlan	30677
CY2020Q1	ottr	Stock Issued During Period Shares For Cash Invested Under Dividend Reinvestment And Share Purchase Plan StockIssuedDuringPeriodSharesForCashInvestedUnderDividendReinvestmentAndSharePurchasePlan	12772
CY2020Q1	ottr	Stock Issued During Period Shares Vesting Of Restricted Stock Units StockIssuedDuringPeriodSharesVestingOfRestrictedStockUnits	23000
CY2020Q1	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	13432
CY2020Q1	ottr	Stock Issued During Period Shares Employee Stock Purchase Plans Dividends Reinvested StockIssuedDuringPeriodSharesEmployeeStockPurchasePlansDividendsReinvested	2316
CY2020Q1	ottr	Shares Withheld For Individual Income Tax Requirements SharesWithheldForIndividualIncomeTaxRequirements	38217
CY2020Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	40376448
CY2020Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40217141
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39657321
CY2020Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	125637
CY2019Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	158159
CY2020Q1	ottr	Incremental Common Shares Attributable To Dilutive Effect Of Underlying Shares Related To Nonvested Restricted Stock Units Granted To Employees IncrementalCommonSharesAttributableToDilutiveEffectOfUnderlyingSharesRelatedToNonvestedRestrictedStockUnitsGrantedToEmployees	63897
CY2019Q1	ottr	Incremental Common Shares Attributable To Dilutive Effect Of Underlying Shares Related To Nonvested Restricted Stock Units Granted To Employees IncrementalCommonSharesAttributableToDilutiveEffectOfUnderlyingSharesRelatedToNonvestedRestrictedStockUnitsGrantedToEmployees	63398
CY2020Q1	ottr	Incremental Common Shares Attributable To Dilutive Effect Of Nonvested Restricted Shares IncrementalCommonSharesAttributableToDilutiveEffectOfNonvestedRestrictedShares	19861
CY2019Q1	ottr	Incremental Common Shares Attributable To Dilutive Effect Of Nonvested Restricted Shares IncrementalCommonSharesAttributableToDilutiveEffectOfNonvestedRestrictedShares	21922
CY2020Q1	ottr	Incremental Common Shares Attributable To Sharebased Payment Arrangements Employee Stock Purchase Plans IncrementalCommonSharesAttributableToSharebasedPaymentArrangementsEmployeeStockPurchasePlans	15977
CY2020Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	4300000	USD
CY2020Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y1M6D
CY2020Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2770000	USD
CY2019Q1	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1796000	USD
CY2020Q1	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	340000000	USD
CY2020Q1	us-gaap	Line Of Credit LineOfCredit	19893000	USD
CY2020Q1	ottr	Line Of Credit Facility Amount Restricted LineOfCreditFacilityAmountRestricted	14101000	USD
CY2020Q1	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	306006000	USD
CY2019Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	318524000	USD
CY2020Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	19893000	USD
CY2020Q1	us-gaap	Long Term Debt LongTermDebt	727306000	USD
CY2020Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	306000	USD
CY2020Q1	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	2682000	USD
CY2020Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	724318000	USD
CY2020Q1	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	744517000	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	6000000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	692351000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	183000	USD
CY2019Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	2587000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	689581000	USD
CY2019Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	695764000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	29906000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	31952000	USD
CY2020Q1	ottr	Income Tax Reconciliation Income Tax Expense Benefit At Federal And State Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalAndStateStatutoryIncomeTaxRate	7776000	USD
CY2019Q1	ottr	Income Tax Reconciliation Income Tax Expense Benefit At Federal And State Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalAndStateStatutoryIncomeTaxRate	8308000	USD
CY2020Q1	ottr	Income Tax Reconciliation Differences Reversing In Excess Of Federal Rates IncomeTaxReconciliationDifferencesReversingInExcessOfFederalRates	-1229000	USD
CY2019Q1	ottr	Income Tax Reconciliation Differences Reversing In Excess Of Federal Rates IncomeTaxReconciliationDifferencesReversingInExcessOfFederalRates	-983000	USD
CY2020Q1	ottr	Effective Income Tax Rate Reconciliation Deduction Equity Method Stock Awards EffectiveIncomeTaxRateReconciliationDeductionEquityMethodStockAwards	402000	USD
CY2019Q1	ottr	Effective Income Tax Rate Reconciliation Deduction Equity Method Stock Awards EffectiveIncomeTaxRateReconciliationDeductionEquityMethodStockAwards	827000	USD
CY2020Q1	ottr	Income Tax Reconciliation Allowance For Funds Used During Construction IncomeTaxReconciliationAllowanceForFundsUsedDuringConstruction	312000	USD
CY2019Q1	ottr	Income Tax Reconciliation Allowance For Funds Used During Construction IncomeTaxReconciliationAllowanceForFundsUsedDuringConstruction	86000	USD
CY2020Q1	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	258000	USD
CY2019Q1	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	258000	USD
CY2020Q1	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	54000	USD
CY2019Q1	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	188000	USD
CY2020Q1	ottr	Effective Income Tax Rate Reconciliation Corporate Owned Life Insurance Amount EffectiveIncomeTaxRateReconciliationCorporateOwnedLifeInsuranceAmount	207000	USD
CY2019Q1	ottr	Effective Income Tax Rate Reconciliation Corporate Owned Life Insurance Amount EffectiveIncomeTaxRateReconciliationCorporateOwnedLifeInsuranceAmount	-409000	USD
CY2020Q1	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-90000	USD
CY2019Q1	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	71000	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5638000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5628000	USD
CY2020Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.189	pure
CY2019Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.176	pure
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1488000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1282000	USD
CY2020Q1	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	41000	USD
CY2019Q1	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	38000	USD
CY2020Q1	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	-0	USD
CY2019Q1	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	-0	USD
CY2020Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1529000	USD
CY2019Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1320000	USD
CY2020Q1	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	725000	USD

Files In Submission

Name	View Source	Status
0001437749-20-009976-index-headers.html	Edgar Link	pending
0001437749-20-009976-index.html	Edgar Link	pending
0001437749-20-009976.txt	Edgar Link	pending
0001437749-20-009976-xbrl.zip	Edgar Link	pending
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ex_183748.htm	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
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ottr-20200331.xsd	Edgar Link	pending
ottr-20200331_cal.xml	Edgar Link	unprocessable
ottr-20200331_def.xml	Edgar Link	unprocessable
ottr-20200331_lab.xml	Edgar Link	unprocessable
ottr-20200331_pre.xml	Edgar Link	unprocessable
ottr20200331_10q.htm	Edgar Link	pending
ottr20200331_10q_htm.xml	Edgar Link	completed
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2020 Q1 Form 10-Q Financial Statement

#000143774920009976 Filed on May 08, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OTTR Otter Tail Corp Stock $ottr

2020 Q1 Form 10-Q Financial Statement

#000143774920009976 Filed on May 08, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$OTTR
Otter Tail Corp Stock $ottr