$ORA
ORMAT TECHNOLOGIES, INC. Stock $ora

$ora Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-K Financial Statement

#000143774921004274 Filed on February 26, 2021

Income Statement

Concept	2020 Q4	2020 Q3	2020 Q2
Revenue	$179.4M	$158.9M	$174.9M
YoY Change	-6.79%	-6.78%	-4.98%
Cost Of Revenue	$104.3M	$104.9M	$109.5M
YoY Change	-11.53%	-8.77%	-7.91%
Gross Profit	$75.04M	$54.03M	$65.39M
YoY Change	0.72%	-2.64%	0.37%
Gross Profit Margin	41.83%	33.99%	37.38%
Selling, General & Admin	$20.73M	$18.62M	$16.72M
YoY Change	14.19%	18.46%	-4.2%
% of Gross Profit	27.63%	34.45%	25.58%
Research & Development	$1.114M	$1.490M	$1.172M
YoY Change	-40.59%	40.3%	44.69%
% of Gross Profit	1.48%	2.76%	1.79%
Depreciation & Amortization	$40.90M	$40.80M	$37.90M
YoY Change	9.07%	7.37%	4.12%
% of Gross Profit	54.5%	75.51%	57.96%
Operating Expenses	$21.85M	$20.11M	$17.90M
YoY Change	9.07%	19.84%	-2.03%
Operating Profit	$53.20M	$51.69M	$48.08M
YoY Change	-2.34%	33.49%	2.55%
Interest Expense	$19.14M	$21.76M	$19.79M
YoY Change	8.94%	8.37%	-8.05%
% of Operating Profit	35.98%	42.09%	41.15%
Other Income/Expense, Net	$75.00K	$961.0K	$304.0K
YoY Change	-115.56%	293.85%	-70.4%
Pretax Income	$44.97M	$39.58M	$35.38M
YoY Change	9.46%	67.49%	12.43%
Income Tax	$21.73M	$15.36M	$11.77M
% Of Pretax Income	48.31%	38.81%	33.26%
Net Earnings	$20.70M	$15.68M	$23.05M
YoY Change	64.19%	0.47%	-32.09%
Net Earnings / Revenue	11.54%	9.86%	13.18%
Basic Earnings Per Share	$0.39	$0.31	$0.45
Diluted Earnings Per Share	$0.39	$0.31	$0.45
COMMON SHARES
Basic Shares Outstanding	53.11M	51.07M	51.04M
Diluted Shares Outstanding	53.55M	51.28M	51.36M

Balance Sheet

Concept	2020 Q4	2020 Q3	2020 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$448.3M	$197.3M	$173.7M
YoY Change	529.63%	102.15%	56.91%
Cash & Equivalents	$448.3M	$197.3M	$173.7M
Short-Term Investments
Other Short-Term Assets	$103.9M	$101.9M	$87.00M
YoY Change	9.83%	7.83%	8.48%
Inventory	$35.32M	$34.38M	$38.93M
Prepaid Expenses
Receivables	$149.2M	$157.5M	$179.8M
Other Receivables	$17.99M	$23.35M	$18.12M
Total Short-Term Assets	$779.2M	$532.6M	$517.1M
YoY Change	87.45%	23.2%	25.4%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.099B	$2.529B	$2.463B
YoY Change	6.47%	5.78%	25.47%
Goodwill	$24.57M	$23.58M	$20.12M
YoY Change	21.98%	18.32%	-0.52%
Intangibles	$194.4M	$197.0M	$179.7M
YoY Change	4.4%	4.34%	-6.98%
Long-Term Investments	$98.20M	$91.30M	$84.40M
YoY Change	21.09%	23.88%	18.87%
Other Assets	$186.3M	$147.4M	$154.0M
YoY Change	11.03%	-4.22%	0.85%
Total Long-Term Assets	$3.110B	$2.988B	$2.901B
YoY Change	9.7%	5.7%	4.31%
TOTAL ASSETS
Total Short-Term Assets	$779.2M	$532.6M	$517.1M
Total Long-Term Assets	$3.110B	$2.988B	$2.901B
Total Assets	$3.889B	$3.521B	$3.418B
YoY Change	19.64%	8.02%	7.03%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$152.8M	$144.5M	$149.6M
YoY Change	7.68%	5.32%	30.09%
Accrued Expenses	$2.900M	$3.000M	$3.000M
YoY Change	7.41%	-52.38%	-69.7%
Deferred Revenue	$11.18M	$7.683M	$5.599M
YoY Change	305.77%	27.99%	-60.38%
Short-Term Debt	$0.00	$0.00	$103.8M
YoY Change	-100.0%	-100.0%	95.48%
Long-Term Debt Due	$81.80M	$81.10M	$142.6M
YoY Change	-40.98%	-47.1%	68.96%
Total Short-Term Liabilities	$248.6M	$236.3M	$404.6M
YoY Change	-33.95%	-33.01%	46.3%
LONG-TERM LIABILITIES
Long-Term Debt	$1.386B	$1.385B	$1.118B
YoY Change	35.5%	32.77%	-1.05%
Other Long-Term Liabilities	$6.235M	$7.812M	$7.814M
YoY Change	-22.44%	44.67%	42.1%
Total Long-Term Liabilities	$6.235M	$7.812M	$7.814M
YoY Change	-22.44%	44.67%	42.1%
TOTAL LIABILITIES
Total Short-Term Liabilities	$248.6M	$236.3M	$404.6M
Total Long-Term Liabilities	$6.235M	$7.812M	$7.814M
Total Liabilities	$1.938B	$1.940B	$1.852B
YoY Change	12.28%	11.14%	9.36%
SHAREHOLDERS EQUITY
Retained Earnings	$550.1M	$535.0M	$524.9M
YoY Change	12.76%	11.25%	11.46%
Common Stock	$1.263B	$920.3M	$917.5M
YoY Change	38.25%	1.05%	1.22%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.806B	$1.440B	$1.428B
YoY Change
Total Liabilities & Shareholders Equity	$3.889B	$3.521B	$3.418B
YoY Change	19.64%	8.02%	7.03%

Cashflow Statement

Concept	2020 Q4	2020 Q3	2020 Q2
OPERATING ACTIVITIES
Net Income	$20.70M	$15.68M	$23.05M
YoY Change	64.19%	0.47%	-32.09%
Depreciation, Depletion And Amortization	$40.90M	$40.80M	$37.90M
YoY Change	9.07%	7.37%	4.12%
Cash From Operating Activities	$26.10M	$84.50M	$74.60M
YoY Change	-25.43%	86.12%	-5.21%
INVESTING ACTIVITIES
Capital Expenditures	-$88.90M	-$80.50M	-$70.90M
YoY Change	-0.67%	6.48%	11.48%
Acquisitions
YoY Change
Other Investing Activities	-$4.000M	-$53.40M	-$7.400M
YoY Change	-114.34%	1568.75%	-2566.67%
Cash From Investing Activities	-$93.00M	-$134.0M	-$78.20M
YoY Change	51.22%	70.05%	23.54%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	313.5M	88.60M	-66.70M
YoY Change	-26225.0%	168.48%	910.61%
NET CHANGE
Cash From Operating Activities	26.10M	84.50M	74.60M
Cash From Investing Activities	-93.00M	-134.0M	-78.20M
Cash From Financing Activities	313.5M	88.60M	-66.70M
Net Change In Cash	246.6M	39.10M	-70.30M
YoY Change	-990.25%	-9875.0%	-898.86%
FREE CASH FLOW
Cash From Operating Activities	$26.10M	$84.50M	$74.60M
Capital Expenditures	-$88.90M	-$80.50M	-$70.90M
Free Cash Flow	$115.0M	$165.0M	$145.5M
YoY Change	-7.63%	36.36%	2.25%

Facts In Submission

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CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1418000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	880000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	7779000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	168717000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	137303000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	137181000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	67003000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45613000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34733000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	92000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1853000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7663000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	101806000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	93543000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	110111000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	16350000	USD
CY2019	ora	Other Comprehensive Income Loss Other Changes Net Of Tax OtherComprehensiveIncomeLossOtherChangesNetOfTax	44000	USD
CY2018	ora	Other Comprehensive Income Loss Other Changes Net Of Tax OtherComprehensiveIncomeLossOtherChangesNetOfTax	24000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	105284000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	88360000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	110539000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	17794000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	5120000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	11666000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	87490000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5448000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	12145000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	85456000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	88095000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	97966000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	101806000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	93543000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	110111000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	3813000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1810000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1831000	USD
CY2020	ora	Other Comprehensive Income Loss Unrealized Gains Losses In Derivative Instruments Of Unconsolidated Investments OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments	-3975000	USD
CY2019	ora	Other Comprehensive Income Loss Unrealized Gains Losses In Derivative Instruments Of Unconsolidated Investments OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments	-3417000	USD
CY2018	ora	Other Comprehensive Income Loss Unrealized Gains Losses In Derivative Instruments Of Unconsolidated Investments OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments	2235000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	3366000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	0	USD
CY2020	ora	Other Comprehensive Income Loss Other Changes Net Of Tax OtherComprehensiveIncomeLossOtherChangesNetOfTax	274000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	83240000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	98873000	USD
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.66
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.73
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.93
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.65
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.72
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.92
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51567000
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10218000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50867000
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50643000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51937000
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51227000
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50969000
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1319535000	USD
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	USD
CY2018	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10972000	USD
CY2018	us-gaap	Dividends Common Stock DividendsCommonStock	26834000	USD
CY2018	ora	Tax Effect Of Payments To Acquire Additional Interest In Subsidiaries TaxEffectOfPaymentsToAcquireAdditionalInterestInSubsidiaries	2367000	USD
CY2018	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	34898000	USD
CY2018	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	109121000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1831000	USD
CY2018	ora	Other Comprehensive Income Loss Unrealized Gains Losses In Derivative Instruments Of Unconsolidated Investments OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments	2235000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	57000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1445096000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9358000	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2429000	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	8329000	USD
CY2019	us-gaap	Dividends Common Stock DividendsCommonStock	22386000	USD
CY2019	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	92411000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1810000	USD
CY2019	ora	Other Comprehensive Income Loss Unrealized Gains Losses In Derivative Instruments Of Unconsolidated Investments OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments	-3417000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	31000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1515410000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9830000	USD
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	339471000	USD
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	6756000	USD
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	22471000	USD
CY2020	us-gaap	Noncontrolling Interest Increase From Sale Of Parent Equity Interest NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest	2754000	USD
CY2020	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	100476000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	3813000	USD
CY2020	ora	Other Comprehensive Income Loss Unrealized Gains Losses In Derivative Instruments Of Unconsolidated Investments OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments	-3975000	USD
CY2020	ora	Other Comprehensive Income Loss Other Changes Net Of Tax OtherComprehensiveIncomeLossOtherChangesNetOfTax	274000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1941437000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	101806000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	93543000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	110111000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	156612000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	148761000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	132233000	USD
CY2020	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	3232000	USD
CY2019	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	2709000	USD
CY2018	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	2474000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	9830000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	9358000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	10218000	USD
CY2020	ora	Amortization Of Deferred Income AmortizationOfDeferredIncome	0	USD
CY2019	ora	Amortization Of Deferred Income AmortizationOfDeferredIncome	-2685000	USD
CY2018	ora	Amortization Of Deferred Income AmortizationOfDeferredIncome	-2685000	USD
CY2020	ora	Income Attributable To Sale Of Equity Interests Net Of Interest Expense IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense	12090000	USD
CY2019	ora	Income Attributable To Sale Of Equity Interests Net Of Interest Expense IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense	10084000	USD
CY2018	ora	Income Attributable To Sale Of Equity Interests Net Of Interest Expense IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense	8609000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	92000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	1853000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	7663000	USD
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	1192000	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	1402000	USD
CY2018	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-2032000	USD
CY2020	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	0	USD
CY2019	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	0	USD
CY2018	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	126000	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	13464000	USD
CY2020	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	893000	USD
CY2019	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	1016000	USD
CY2018	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-1186000	USD
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	5102000	USD
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	27896000	USD
CY2018	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	19360000	USD
CY2020	ora	Increase Decrease In Unrecognized Tax Benefits IncreaseDecreaseInUnrecognizedTaxBenefits	12673000	USD
CY2019	ora	Increase Decrease In Unrecognized Tax Benefits IncreaseDecreaseInUnrecognizedTaxBenefits	-2874000	USD
CY2018	ora	Increase Decrease In Unrecognized Tax Benefits IncreaseDecreaseInUnrecognizedTaxBenefits	-2879000	USD
CY2020	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	0	USD
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-574000	USD
CY2018	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-402000	USD
CY2020	us-gaap	Insured Event Gain Loss InsuredEventGainLoss	-0	USD
CY2019	us-gaap	Insured Event Gain Loss InsuredEventGainLoss	-0	USD
CY2018	us-gaap	Insured Event Gain Loss InsuredEventGainLoss	4463000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-338000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-914000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-100000	USD
CY2020	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-3520000	USD
CY2019	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	15133000	USD
CY2018	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	29928000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-13821000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-3765000	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	1185000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-178000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-5500000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	9318000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2687000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-3452000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	11172000	USD
CY2020	ora	Operating Lease Right Of Use Asset Operating Cash Flow Effect OperatingLeaseRightOfUseAssetOperatingCashFlowEffect	3825000	USD
CY2019	ora	Operating Lease Right Of Use Asset Operating Cash Flow Effect OperatingLeaseRightOfUseAssetOperatingCashFlowEffect	8167000	USD
CY2018	ora	Operating Lease Right Of Use Asset Operating Cash Flow Effect OperatingLeaseRightOfUseAssetOperatingCashFlowEffect	0	USD
CY2020	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	893000	USD
CY2019	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	22525000	USD
CY2018	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	-18000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-5373000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	8738000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-56724000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	8424000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-15647000	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-1839000	USD
CY2020	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	-2000	USD
CY2019	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	757000	USD
CY2018	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	-3147000	USD
CY2020	ora	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-3765000	USD
CY2019	ora	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-8405000	USD
CY2018	ora	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	0	USD
CY2020	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-2023000	USD
CY2019	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-617000	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-11244000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	265005000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	236493000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	145822000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	320738000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	279986000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	258521000	USD
CY2020	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	4700000	USD
CY2019	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	35435000	USD
CY2018	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	10427000	USD
CY2020	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	20960000	USD
CY2019	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	10674000	USD
CY2018	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	3800000	USD
CY2020	ora	Payments For Proceeds From Acquire Additional Interest In Subsidiaries PaymentsForProceedsFromAcquireAdditionalInterestInSubsidiaries	0	USD
CY2019	ora	Payments For Proceeds From Acquire Additional Interest In Subsidiaries PaymentsForProceedsFromAcquireAdditionalInterestInSubsidiaries	0	USD
CY2018	ora	Payments For Proceeds From Acquire Additional Interest In Subsidiaries PaymentsForProceedsFromAcquireAdditionalInterestInSubsidiaries	2367000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	43397000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-0	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	95093000	USD
CY2020	ora	Increase Decrease In Severance Pay Fund Asset Net IncreaseDecreaseInSeverancePayFundAssetNet	-845000	USD
CY2019	ora	Increase Decrease In Severance Pay Fund Asset Net IncreaseDecreaseInSeverancePayFundAssetNet	-687000	USD
CY2018	ora	Increase Decrease In Severance Pay Fund Asset Net IncreaseDecreaseInSeverancePayFundAssetNet	-2186000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	6419000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-0	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-0	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-385969000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-254538000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-342434000	USD
CY2020	ora	Proceeds From Sale Of Membership Interest To Noncontrolling Interest ProceedsFromSaleOfMembershipInterestToNoncontrollingInterest	0	USD
CY2019	ora	Proceeds From Sale Of Membership Interest To Noncontrolling Interest ProceedsFromSaleOfMembershipInterestToNoncontrollingInterest	0	USD
CY2018	ora	Proceeds From Sale Of Membership Interest To Noncontrolling Interest ProceedsFromSaleOfMembershipInterestToNoncontrollingInterest	3174000	USD
CY2020	ora	Proceeds From Issuance Of Longterm Loans Net ProceedsFromIssuanceOfLongtermLoansNet	419262000	USD
CY2019	ora	Proceeds From Issuance Of Longterm Loans Net ProceedsFromIssuanceOfLongtermLoansNet	132847000	USD
CY2018	ora	Proceeds From Issuance Of Longterm Loans Net ProceedsFromIssuanceOfLongtermLoansNet	214700000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2429000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	339471000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2020	ora	Proceeds From Sale Of Limited Liability Company Interest Net Of Transaction Costs ProceedsFromSaleOfLimitedLiabilityCompanyInterestNetOfTransactionCosts	0	USD
CY2019	ora	Proceeds From Sale Of Limited Liability Company Interest Net Of Transaction Costs ProceedsFromSaleOfLimitedLiabilityCompanyInterestNetOfTransactionCosts	58289000	USD
CY2018	ora	Proceeds From Sale Of Limited Liability Company Interest Net Of Transaction Costs ProceedsFromSaleOfLimitedLiabilityCompanyInterestNetOfTransactionCosts	32175000	USD
CY2020	us-gaap	Repayments Of Commercial Paper RepaymentsOfCommercialPaper	50000000	USD
CY2019	us-gaap	Repayments Of Commercial Paper RepaymentsOfCommercialPaper	21073000	USD
CY2018	us-gaap	Repayments Of Commercial Paper RepaymentsOfCommercialPaper	-0	USD
CY2020	us-gaap	Proceeds From Issuance Of Commercial Paper ProceedsFromIssuanceOfCommercialPaper	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Commercial Paper ProceedsFromIssuanceOfCommercialPaper	50000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Commercial Paper ProceedsFromIssuanceOfCommercialPaper	0	USD
CY2020	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	1249400000	USD
CY2019	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	1450850000	USD
CY2018	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	4097000000	USD
CY2020	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	1289950000	USD
CY2019	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	1569300000	USD
CY2018	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	3989500000	USD
CY2020	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	7577000	USD
CY2019	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	3346000	USD
CY2018	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	4134000	USD
CY2020	ora	Repayments Of Longterm Loans RepaymentsOfLongtermLoans	135384000	USD
CY2019	ora	Repayments Of Longterm Loans RepaymentsOfLongtermLoans	72708000	USD
CY2018	ora	Repayments Of Longterm Loans RepaymentsOfLongtermLoans	62774000	USD
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	9739000	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	9730000	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	13106000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	2890000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	3164000	USD
CY2018	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	2551000	USD
CY2020	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	1798000	USD
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	5165000	USD
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	5287000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	22471000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	22386000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	26834000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	503478000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-5765000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	251131000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	1154000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-575000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-660000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	383668000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-24385000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	53859000	USD
CY2020Q4	ora	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Restricted Cash And Cash Equivalents BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCashAndCashEquivalents	0	USD
CY2019Q4	ora	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Restricted Cash And Cash Equivalents BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCashAndCashEquivalents	0	USD
CY2018Q4	ora	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Restricted Cash And Cash Equivalents BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCashAndCashEquivalents	26993000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	153110000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	177495000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	96643000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	536778000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	153110000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	177495000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	60830000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	61628000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	53864000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	64795000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1649000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	18028000	USD
CY2020	ora	Increase Decrease In Accounts Payable Related To Purchases Of Property Plant And Equipment IncreaseDecreaseInAccountsPayableRelatedToPurchasesOfPropertyPlantAndEquipment	3148000	USD
CY2019	ora	Increase Decrease In Accounts Payable Related To Purchases Of Property Plant And Equipment IncreaseDecreaseInAccountsPayableRelatedToPurchasesOfPropertyPlantAndEquipment	9423000	USD
CY2018	ora	Increase Decrease In Accounts Payable Related To Purchases Of Property Plant And Equipment IncreaseDecreaseInAccountsPayableRelatedToPurchasesOfPropertyPlantAndEquipment	-6878000	USD
CY2020	ora	Rightofuse Asset Obtained In Exchange For Lease Liability RightofuseAssetObtainedInExchangeForLeaseLiability	3642000	USD
CY2019	ora	Rightofuse Asset Obtained In Exchange For Lease Liability RightofuseAssetObtainedInExchangeForLeaseLiability	11626000	USD
CY2018	ora	Rightofuse Asset Obtained In Exchange For Lease Liability RightofuseAssetObtainedInExchangeForLeaseLiability	8584000	USD
CY2020	ora	Noncash Transfer Of Asset Retirement Obligations NoncashTransferOfAssetRetirementObligations	8963000	USD
CY2019	ora	Noncash Transfer Of Asset Retirement Obligations NoncashTransferOfAssetRetirementObligations	8334000	USD
CY2018	ora	Noncash Transfer Of Asset Retirement Obligations NoncashTransferOfAssetRetirementObligations	881000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	448252000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	71173000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	98802000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	88526000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	81937000	USD
CY2018Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	78693000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	536778000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	153110000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	177495000	USD
CY2020	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:left;text-indent:13.5pt;"><b><i>Concentration of credit risk </i></b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;">Financial instruments which potentially subject the Company to concentration of credit risk consist principally of temporary cash investments and accounts receivable.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;">The Company places its temporary cash investments with high credit quality financial institutions located in the U.S. and in foreign countries. At <em style="font: inherit;"> December 31, 2020 </em>and <em style="font: inherit;">2019,</em> the Company had deposits totaling $18.9 million and $12.9 million, respectively, in <em style="font: inherit;">ten</em> United States financial institutions that were federally insured up to <em style="font: inherit;">$250,000</em> per account. At <em style="font: inherit;"> December 31, 2020 </em>and <em style="font: inherit;">2019,</em> the Company’s deposits in foreign countries of approximately $72.4 million and $84.8 million, respectively, were <em style="font: inherit;">not</em> insured.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;">At <em style="font: inherit;"> December 31, 2020 </em>and <em style="font: inherit;">2019,</em> accounts receivable related to operations in foreign countries amounted to approximately $111.3 million and $118.8 million, respectively. At <em style="font: inherit;"> December 31, 2020 </em>and <em style="font: inherit;">2019,</em> accounts receivable from the Company’s major customers (see Note <em style="font: inherit;">18</em>) amounted to approximately 65% and 58%, respectively, of the Company’s accounts receivable.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;"> </p> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin: 0pt; text-align: justify; text-indent: 24.75pt; background-color: rgba(0, 0, 0, 0); color: rgb(0, 0, 0);">The Company has historically been able to collect substantially all of its receivable balances. As of <em style="font: inherit;"> December 31, 2020, </em>the amount overdue from KPLC in Kenya was $48.9 million of which $16.2 million was paid in <em style="font: inherit;"> January </em>and <em style="font: inherit;"> February </em>of <em style="font: inherit;">2021.</em> These amounts represent an average of 78 days overdue. The Company believes it will be able to collect all past due amounts in Kenya. This belief is supported by the fact that in addition to KPLC's obligations under its power purchase agreement, the Company holds a support letter from the Government of Kenya that covers certain cases of KPLC non-payment (such as where caused by government actions/political events). Additionally, on <em style="font: inherit;"> April 17, 2020, </em>the company received from KPLC a notice declaring a force majeure event in Kenya due to the impact of COVID-<em style="font: inherit;">19</em> that was withdrawn by KPLC in early <em style="font: inherit;"> September 2020. </em>In addition, the Company experienced a higher rate of curtailments in the <em style="font: inherit;">second</em> quarter of <em style="font: inherit;">2020</em> by KPLC in the Olkaria complex that was later reduced in the <em style="font: inherit;">third</em> quarter of <em style="font: inherit;">2020.</em> The impact of the curtailments is limited as the structure of the PPA secures the vast majority of the Company's revenues with fixed capacity payments unrelated to the electricity actually generated.</p> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin: 0pt; text-indent: 27pt;"> </p> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin: 0pt; text-align: justify; text-indent: 24.75pt; background-color: rgba(0, 0, 0, 0); color: rgb(0, 0, 0);">In Honduras, the Company successfully collected during the year an overdue debt from Empresa Nacional de Energía Eléctrica ("ENEE") of $20.1 million that was related to the period from <em style="font: inherit;"> October 2018 </em>to <em style="font: inherit;"> April 2019. </em>However, due to continuing restrictive measures related to the COVID-<em style="font: inherit;">19</em> pandemic in Honduras, the Company <em style="font: inherit;"> may </em>experience delays in collection. As of <em style="font: inherit;"> December 31, 2020, </em>the total amount overdue from ENEE of $2.9 million was collected in <em style="font: inherit;"> January 2021. </em>In addition, on <em style="font: inherit;"> April 30, 2020, </em>the Company also received from ENEE a notice declaring a force majeure event in Honduras due to the impact of COVID-<em style="font: inherit;">19</em> that was ultimately withdrawn.</p> <p style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;">The Company <em style="font: inherit;"> may </em>experience delays in collection in other locations due to the restrictive measures related to the COVID-<em style="font: inherit;">19</em> pandemic which were imposed globally to different extents.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;"> </p>
CY2020Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	18900000	USD
CY2019Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	12900000	USD
CY2020Q4	us-gaap	Cash Uninsured Amount CashUninsuredAmount	72400000	USD
CY2019Q4	us-gaap	Cash Uninsured Amount CashUninsuredAmount	84800000	USD
CY2020	us-gaap	Property Plant And Equipment Impairment PropertyPlantAndEquipmentImpairment	<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:13.5pt;"><b><i>Property, plant and equipment, net</i></b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;">Property, plant and equipment are stated at cost. All costs associated with the acquisition, development and construction of power plants operated by the Company are capitalized. Major improvements are capitalized and repairs and maintenance (including major maintenance) costs are expensed. Power plants operated by the Company, which include geothermal wells and exploration and resource development costs, are depreciated using the straight-line method over their estimated useful lives, which range from 15 to 30 years. The other assets are depreciated using the straight-line method over the following estimated useful lives of the assets:</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;"> </p> <table cellpadding="0" cellspacing="0" class="finTable" style="width: 95%; font-size: 10pt; font-family: "Times New Roman", Times, serif; text-indent: 0px; margin-left: 0pt; margin-right: auto;"><tbody><tr style="vertical-align: bottom; font-family: "Times New Roman", Times, serif; font-size: 10pt;"><td style="font-family: "Times New Roman", Times, serif; font-size: 10pt; width: 87%;"> </td><td style="font-family: "Times New Roman", Times, serif; font-size: 10pt; width: 1%;"> </td><td colspan="3" rowspan="1" style="text-align: center; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; width: 7%;"> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:center;"><b><b>Years</b></b></p> </td></tr> <tr style="vertical-align: bottom; background-color: rgb(204, 238, 255); font-family: "Times New Roman", Times, serif; font-size: 10pt;"><td style="font-family: "Times New Roman", Times, serif; font-size: 10pt; width: 87%;"> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">Buildings</p> </td><td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="width: 2%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;">25</td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;"><em style="font: inherit;"> </em></td></tr> <tr style="vertical-align: bottom; background-color: rgb(255, 255, 255); font-family: "Times New Roman", Times, serif; font-size: 10pt;"><td style="font-family: "Times New Roman", Times, serif; font-size: 10pt; width: 87%;"> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">Leasehold improvements</p> </td><td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt; text-align: right;">15</td><td style="width: 2%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;"><em style="font: inherit;">-</em></td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;">30</td></tr> <tr style="vertical-align: bottom; background-color: rgb(204, 238, 255); font-family: "Times New Roman", Times, serif; font-size: 10pt;"><td style="font-family: "Times New Roman", Times, serif; font-size: 10pt; width: 87%;"> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">Machinery and equipment — manufacturing and drilling</p> </td><td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"><em style="font: inherit;"> </em></td><td style="width: 2%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;">10</td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;"><em style="font: inherit;"> </em></td></tr> <tr style="vertical-align: bottom; background-color: rgb(255, 255, 255); font-family: "Times New Roman", Times, serif; font-size: 10pt;"><td style="font-family: "Times New Roman", Times, serif; font-size: 10pt; width: 87%;"> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">Machinery and equipment — computers</p> </td><td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt; text-align: right;">3</td><td style="width: 2%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;"><em style="font: inherit;">-</em></td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;">5</td></tr> <tr style="vertical-align: bottom; background-color: rgb(204, 238, 255); font-family: "Times New Roman", Times, serif; font-size: 10pt;"><td style="font-family: "Times New Roman", Times, serif; font-size: 10pt; width: 87%;"> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">Energy storage equipment</p> </td><td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt; text-align: right;"><em style="font: inherit;"> </em></td><td style="width: 2%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;">15</td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;"><em style="font: inherit;"> </em></td></tr> <tr style="vertical-align: bottom; background-color: rgb(255, 255, 255); font-family: "Times New Roman", Times, serif; font-size: 10pt;"><td style="font-family: "Times New Roman", Times, serif; font-size: 10pt; width: 87%;"> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">Office equipment — furniture and fixtures</p> </td><td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt; text-align: right;">5</td><td style="width: 2%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;"><em style="font: inherit;">-</em></td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;">15</td></tr> <tr style="vertical-align: bottom; background-color: rgb(204, 238, 255); font-family: "Times New Roman", Times, serif; font-size: 10pt;"><td style="font-family: "Times New Roman", Times, serif; font-size: 10pt; width: 87%;"> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">Office equipment — other</p> </td><td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt; text-align: right;">5</td><td style="width: 2%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;"><em style="font: inherit;">-</em></td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;">10</td></tr> <tr style="vertical-align: bottom; background-color: rgb(255, 255, 255); font-family: "Times New Roman", Times, serif; font-size: 10pt;"><td style="font-family: "Times New Roman", Times, serif; font-size: 10pt; width: 87%;"> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;">Vehicles</p> </td><td style="width: 1%; font-family: "Times New Roman", Times, serif; font-size: 10pt;"> </td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt; text-align: right;">5</td><td style="width: 2%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt; text-align: center;"><em style="font: inherit;">-</em></td><td style="width: 5%; font-family: "Times New Roman", Times, serif; font-size: 10pt; margin-left: 0pt;">7</td></tr> </tbody></table> <p style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;">The cost and accumulated depreciation of items sold or retired are removed from the accounts. Any resulting gain or loss is recognized currently and recorded in the accompanying statements of operations.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;">The Company capitalizes interest costs as part of constructing power plant facilities. Such capitalized interest is recorded as part of the asset to which it relates and is amortized over the asset’s estimated useful life. Capitalized interest costs amounted to $10.4 million, $3.3 million, and $3.7 million for the years ended <em style="font: inherit;"> December 31, 2020, </em><em style="font: inherit;">2019</em> and <em style="font: inherit;">2018,</em> respectively.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;"> </p>
CY2020	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	10400000	USD
CY2019	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	3300000	USD
CY2018	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	3700000	USD
CY2020	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	0.0	USD
CY2019	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	0.0	USD
CY2018	us-gaap	Exploration Abandonment And Impairment Expense ExplorationAbandonmentAndImpairmentExpense	100000	USD
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3500000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	5400000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	4600000	USD
CY2020	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	0	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-900000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	1500000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	24544000	USD
CY2019Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	38365000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	11179000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	2755000	USD
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	5336000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	12675000	USD
CY2020	ora	Contract With Customer Liability Cash Received For Revenues Not Yet Recognized ContractWithCustomerLiabilityCashReceivedForRevenuesNotYetRecognized	-11177000	USD
CY2019	ora	Contract With Customer Liability Cash Received For Revenues Not Yet Recognized ContractWithCustomerLiabilityCashReceivedForRevenuesNotYetRecognized	-3323000	USD
CY2020	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	-145548000	USD
CY2019	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	-130918000	USD
CY2020	ora	Contract With Customer Asset Assets Recognized ContractWithCustomerAssetAssetsRecognized	129144000	USD
CY2019	ora	Contract With Customer Asset Assets Recognized ContractWithCustomerAssetAssetsRecognized	133448000	USD
CY2020	ora	Contract With Customer Asset Net Change ContractWithCustomerAssetNetChange	-16404000	USD
CY2020	ora	Contract With Customer Liability Liability Net Change ContractWithCustomerLiabilityLiabilityNetChange	-5841000	USD
CY2019	ora	Contract With Customer Asset Net Change ContractWithCustomerAssetNetChange	2530000	USD
CY2019	ora	Contract With Customer Liability Liability Net Change ContractWithCustomerLiabilityLiabilityNetChange	9352000	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	33400000	USD
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	705342000	USD
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	746044000	USD
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	51441000	USD
CY2019Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	16056000	USD
CY2018Q4	ora	Deferred Financing And Lease Costs DeferredFinancingAndLeaseCosts	3242000	USD
CY2019Q1	ora	Deferred Financing And Lease Costs DeferredFinancingAndLeaseCosts	1583000	USD
CY2018Q4	ora	Property Plant And Equipment Net Excluding Construction In Progress Net PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet	1959578000	USD
CY2019Q1	ora	Property Plant And Equipment Net Excluding Construction In Progress Net PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet	1946723000	USD
CY2018Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	0	USD
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	62244000	USD
CY2018Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	0	USD
CY2019Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	13476000	USD
CY2018Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	116362000	USD
CY2019Q1	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	113502000	USD
CY2018Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	0	USD
CY2019Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	7532000	USD
CY2018Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	0	USD
CY2019Q1	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	2841000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	16087000	USD
CY2019Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	6117000	USD
CY2018Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	0	USD
CY2019Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	17668000	USD
CY2018Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	0	USD
CY2019Q1	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	10668000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	422222000	USD
CY2019Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	422164000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.05	pure
CY2020Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.05	pure
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51567000
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50867000
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50643000
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	370000
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	360000
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	326000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51937000
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51227000
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50969000
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	369700
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	360500
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	176400
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:13.5pt;"><b><i>Use of estimates in preparation of financial statements</i></b></p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;"> </p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;text-indent:24.75pt;">The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the dates of such financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates. The most significant estimates with regard to the Company’s consolidated financial statements relate to the useful lives of property, plant and equipment, impairment of goodwill and long-lived assets, including intangible assets, revenue recognition of product sales using the percentage of completion method, asset retirement obligations, and the provision for income taxes.</p> <p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"> </p>
CY2019Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	9250000	USD
CY2018Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	8603000	USD
CY2020	ora	Redeemable Noncontrolling Interest Equity Operation Of Consolidated Subsidiary RedeemableNoncontrollingInterestEquityOperationOfConsolidatedSubsidiary	1330000	USD
CY2019	ora	Redeemable Noncontrolling Interest Equity Operation Of Consolidated Subsidiary RedeemableNoncontrollingInterestEquityOperationOfConsolidatedSubsidiary	1132000	USD
CY2020	ora	Redeemable Noncontrolling Interest Equity Payment To Minority For Dividendreturn On Investment RedeemableNoncontrollingInterestEquityPaymentToMinorityForDividendreturnOnInvestment	1779000	USD
CY2019	ora	Redeemable Noncontrolling Interest Equity Payment To Minority For Dividendreturn On Investment RedeemableNoncontrollingInterestEquityPaymentToMinorityForDividendreturnOnInvestment	252000	USD
CY2020	ora	Redeemable Noncontrolling Interest Equity Currency Translation Adjustment RedeemableNoncontrollingInterestEquityCurrencyTranslationAdjustment	-1029000	USD
CY2019	ora	Redeemable Noncontrolling Interest Equity Currency Translation Adjustment RedeemableNoncontrollingInterestEquityCurrencyTranslationAdjustment	233000	USD
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	9830000	USD
CY2019Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	9250000	USD
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	22500000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.44
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	22400000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.44
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	26800000	USD
CY2018	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.53
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2020Q4	us-gaap	Inventory Raw Materials And Supplies Net Of Reserves InventoryRawMaterialsAndSuppliesNetOfReserves	14835000	USD
CY2019Q4	us-gaap	Inventory Raw Materials And Supplies Net Of Reserves InventoryRawMaterialsAndSuppliesNetOfReserves	21942000	USD
CY2020Q4	us-gaap	Inventory Finished Goods And Work In Process Net Of Reserves InventoryFinishedGoodsAndWorkInProcessNetOfReserves	20486000	USD
CY2019Q4	us-gaap	Inventory Finished Goods And Work In Process Net Of Reserves InventoryFinishedGoodsAndWorkInProcessNetOfReserves	13007000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	35321000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	34949000	USD
CY2020Q4	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	227591000	USD
CY2019Q4	us-gaap	Receivables Long Term Contracts Or Programs ReceivablesLongTermContractsOrPrograms	196550000	USD
CY2020Q4	ora	Billings To Date BillingsToDate	214226000	USD
CY2019Q4	ora	Billings To Date BillingsToDate	160940000	USD
CY2020Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	13365000	USD
CY2019Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	35610000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Gross ContractWithCustomerAssetGross	24544000	USD
CY2019Q4	us-gaap	Contract With Customer Asset Gross ContractWithCustomerAssetGross	38365000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	11179000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	2755000	USD
CY2020Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	13365000	USD
CY2019Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	35610000	USD
CY2020Q4	ora	Investment In Unconsolidated Companies In Excess Of Accumulated Losses InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses	98217000	USD
CY2019Q4	ora	Investment In Unconsolidated Companies In Excess Of Accumulated Losses InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses	81140000	USD
CY2020	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	5175000	USD
CY2019	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	2556000	USD
CY2018	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	7411000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	1100000	USD
CY2020Q4	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	14800000	USD
CY2019Q4	us-gaap	Lines Of Credit Fair Value Disclosure LinesOfCreditFairValueDisclosure	40600000	USD
CY2019Q4	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	12200000	USD
CY2020Q4	us-gaap	Capitalized Costs Asset Retirement Costs CapitalizedCostsAssetRetirementCosts	28946000	USD
CY2019Q4	us-gaap	Capitalized Costs Asset Retirement Costs CapitalizedCostsAssetRetirementCosts	19824000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	3494590000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	3225949000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1395543000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1254534000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2099047000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1971415000	USD
CY2020	us-gaap	Depreciation Depreciation	133500000	USD
CY2019	us-gaap	Depreciation Depreciation	126700000	USD
CY2018	us-gaap	Depreciation Depreciation	114400000	USD
CY2020	ora	Depreciation Net Of Amortization Of Cash Grant DepreciationNetOfAmortizationOfCashGrant	7300000	USD
CY2019	ora	Depreciation Net Of Amortization Of Cash Grant DepreciationNetOfAmortizationOfCashGrant	7300000	USD
CY2018	ora	Depreciation Net Of Amortization Of Cash Grant DepreciationNetOfAmortizationOfCashGrant	6400000	USD
CY2020Q4	ora	Property Plant And Equipment Including Construction In Progress Net PropertyPlantAndEquipmentIncludingConstructionInProgressNet	2081600000	USD
CY2019Q4	ora	Property Plant And Equipment Including Construction In Progress Net PropertyPlantAndEquipmentIncludingConstructionInProgressNet	1841400000	USD
CY2020	ora	Property Plant And Equipment Cash Grant Net PropertyPlantAndEquipmentCashGrantNet	155000000.0	USD
CY2019	ora	Property Plant And Equipment Cash Grant Net PropertyPlantAndEquipmentCashGrantNet	162300000	USD
CY2020Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	479315000	USD
CY2019Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	376555000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	14400000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13300000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	11200000	USD
CY2020	us-gaap	Increase Decrease In Intangible Assets Current IncreaseDecreaseInIntangibleAssetsCurrent	20400000	USD
CY2019	us-gaap	Increase Decrease In Intangible Assets Current IncreaseDecreaseInIntangibleAssetsCurrent	0.0	USD
CY2018	us-gaap	Increase Decrease In Intangible Assets Current IncreaseDecreaseInIntangibleAssetsCurrent	127000000.0	USD
CY2019Q4	ora	Finite Lived Intangible Assets Write Off FiniteLivedIntangibleAssetsWriteOff	0	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	16200000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	15947000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	15828000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	14613000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	16539000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	115295000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	194421000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	24600000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	20100000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	20140000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	19950000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	4107000	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2020	us-gaap	Goodwill Transfers GoodwillTransfers	319000	USD
CY2019	us-gaap	Goodwill Transfers GoodwillTransfers	190000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	24566000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	20140000	USD
CY2020Q4	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	75779000	USD
CY2019Q4	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	73271000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	29271000	USD
CY2005Q4	us-gaap	Deferred Revenue Leases Gross DeferredRevenueLeasesGross	83000000.0	USD
CY2005	ora	Lease Payment Term LeasePaymentTerm	P23Y
CY2019Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	24364000	USD
CY2020Q4	ora	Contract With Customer Liability Current Customer Advance ContractWithCustomerLiabilityCurrentCustomerAdvance	1197000	USD
CY2019Q4	ora	Contract With Customer Liability Current Customer Advance ContractWithCustomerLiabilityCurrentCustomerAdvance	2092000	USD
CY2020Q4	us-gaap	Interest Payable Current InterestPayableCurrent	7843000	USD
CY2019Q4	us-gaap	Interest Payable Current InterestPayableCurrent	6321000	USD
CY2020Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	19913000	USD
CY2019Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	11344000	USD
CY2020Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	1378000	USD
CY2019Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	3033000	USD
CY2020Q4	ora	Scheduling And Transmission Current SchedulingAndTransmissionCurrent	2632000	USD
CY2019Q4	ora	Scheduling And Transmission Current SchedulingAndTransmissionCurrent	2264000	USD
CY2020Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	3581000	USD
CY2019Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	6457000	USD
CY2020Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	2087000	USD
CY2019Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	3245000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	9082000	USD
CY2019Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	9466000	USD
CY2020Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	152763000	USD
CY2019Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	141857000	USD
CY2020Q4	ora	Limited And Non Recourse Debt LimitedAndNonRecourseDebt	674844000	USD
CY2019Q4	ora	Limited And Non Recourse Debt LimitedAndNonRecourseDebt	732461000	USD
CY2020Q4	ora	Limited And Non Recourse Debt Current LimitedAndNonRecourseDebtCurrent	60834000	USD
CY2019Q4	ora	Limited And Non Recourse Debt Current LimitedAndNonRecourseDebtCurrent	58932000	USD
CY2020Q4	ora	Limited And Nonrecourse Debt Noncurrent LimitedAndNonrecourseDebtNoncurrent	614010000	USD
CY2019Q4	ora	Limited And Nonrecourse Debt Noncurrent LimitedAndNonrecourseDebtNoncurrent	673529000	USD
CY2020Q4	ora	Recourse Debt RecourseDebt	799330000	USD
CY2019Q4	ora	Recourse Debt RecourseDebt	474514000	USD
CY2020Q4	ora	Recourse Debt Current RecourseDebtCurrent	17768000	USD
CY2019Q4	ora	Recourse Debt Current RecourseDebtCurrent	117122000	USD
CY2020Q4	ora	Recourse Debt Noncurrent RecourseDebtNoncurrent	781562000	USD
CY2019Q4	ora	Recourse Debt Noncurrent RecourseDebtNoncurrent	357392000	USD
CY2019Q3	us-gaap	Proceeds From Issuance Of Commercial Paper ProceedsFromIssuanceOfCommercialPaper	50000000.0	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1941400000	USD
CY2020Q4	ora	Percentage Of Company Assets PercentageOfCompanyAssets	0.499	pure
CY2020Q4	ora	Debt To Earnings Before Interest Tax Depreciation And Amortization Ratio DebtToEarningsBeforeInterestTaxDepreciationAndAmortizationRatio	2.36	pure
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	22500000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	78429000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	336997000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	135124000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	118168000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	118621000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	686835000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	1474174000	USD
CY2005	ora	Lease Term LeaseTerm	P31Y
CY2020	ora	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Dividends Growth Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDividendsGrowthRate	0.20	pure
CY2020	ora	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Weighted Average Expected Dividend Rate SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividendRate	0.006	pure
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.004	pure
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.018	pure
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.028	pure
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	50183000	USD
CY2018Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	39475000	USD
CY2020	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-165000	USD
CY2019	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-335000	USD
CY2020	ora	Asset Retirement Obligation Liabilities Incurred And Acquired AssetRetirementObligationLiabilitiesIncurredAndAcquired	10207000	USD
CY2019	ora	Asset Retirement Obligation Liabilities Incurred And Acquired AssetRetirementObligationLiabilitiesIncurredAndAcquired	8334000	USD
CY2020	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	3232000	USD
CY2019	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	2709000	USD
CY2020Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	63457000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	50183000	USD
CY2020Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	18000000.0	USD
CY2020	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y3M18D
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9830000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9359000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10218000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	858000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	736000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	668000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	8972000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	8623000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	9550000	USD
CY2020Q4	ora	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Annual Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate	0.108	pure
CY2019Q4	ora	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Annual Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate	0.107	pure
CY2018Q4	ora	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Annual Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate	0.053	pure
CY2020Q4	ora	Increase Decrease In Stock Based Compensation Expense Due To Forfeitures IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures	0.007	pure
CY2019Q4	ora	Increase Decrease In Stock Based Compensation Expense Due To Forfeitures IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures	1.019	pure
CY2018Q4	ora	Increase Decrease In Stock Based Compensation Expense Due To Forfeitures IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures	3.818	pure
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2240000
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y10M24D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	73039000	USD
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y9M18D
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P3Y6M
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P3Y6M
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.006	pure
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.007	pure
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.009	pure
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.288	pure
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.251	pure
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.255	pure
CY2020	ora	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeitures ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures	0.082	pure
CY2019	ora	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeitures ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures	0.086	pure
CY2018	ora	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeitures ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures	0.031	pure
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	704000
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P2Y7M6D
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	27211000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1792000
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y9M18D
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	43277000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	479000
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y2M12D
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	11729000	USD
CY2020Q4	us-gaap	Share Price SharePrice	90.28
CY2019Q4	us-gaap	Share Price SharePrice	74.52
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	704169
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	479402
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	11000000.0	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	19300000	USD
CY2020	ora	Interest Expense Sale Of Tax Benefits InterestExpenseSaleOfTaxBenefits	9344000	USD
CY2019	ora	Interest Expense Sale Of Tax Benefits InterestExpenseSaleOfTaxBenefits	11786000	USD
CY2018	ora	Interest Expense Sale Of Tax Benefits InterestExpenseSaleOfTaxBenefits	11284000	USD
CY2020	us-gaap	Interest Expense Other InterestExpenseOther	79018000	USD
CY2019	us-gaap	Interest Expense Other InterestExpenseOther	71883000	USD
CY2018	us-gaap	Interest Expense Other InterestExpenseOther	63368000	USD
CY2020	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	10409000	USD
CY2019	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	3285000	USD
CY2018	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	3728000	USD
CY2020	us-gaap	Interest Expense InterestExpense	77953000	USD
CY2019	us-gaap	Interest Expense InterestExpense	80384000	USD
CY2018	us-gaap	Interest Expense InterestExpense	70924000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	43273000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	14187000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	14097000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	125444000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	123116000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	123084000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	168717000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	137303000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	137181000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	363000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	172000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	381000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	61574000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	16969000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	14992000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	61937000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	17141000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	15373000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	22682000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-12179000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-6886000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	7277000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	4671000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-2595000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-24893000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	35980000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	28841000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5066000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	28472000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	19360000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	67003000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45613000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34733000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0	pure
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.026	pure
CY2019	ora	Effective Income Tax Rate Reconciliation Transition Tax Inclusion EffectiveIncomeTaxRateReconciliationTransitionTaxInclusion	0	pure
CY2018	ora	Effective Income Tax Rate Reconciliation Transition Tax Inclusion EffectiveIncomeTaxRateReconciliationTransitionTaxInclusion	-0.057	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.003	pure
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.228	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Foreign EffectiveIncomeTaxRateReconciliationTaxCreditsForeign	0.042	pure
CY2020	ora	Effective Income Tax Rate Reconciliation Withholding Tax Percent EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent	0.044	pure
CY2019	ora	Effective Income Tax Rate Reconciliation Withholding Tax Percent EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent	0.104	pure
CY2018	ora	Effective Income Tax Rate Reconciliation Withholding Tax Percent EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent	0.059	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.038	pure
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.037	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.010	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.075	pure
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	0.021	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	0.021	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.085	pure
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.097	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.056	pure
CY2020	ora	Effective Income Tax Rate Reconciliation Tax Credit Production Percent EffectiveIncomeTaxRateReconciliationTaxCreditProductionPercent	-0.018	pure
CY2019	ora	Effective Income Tax Rate Reconciliation Tax Credit Production Percent EffectiveIncomeTaxRateReconciliationTaxCreditProductionPercent	-0.050	pure
CY2018	ora	Effective Income Tax Rate Reconciliation Tax Credit Production Percent EffectiveIncomeTaxRateReconciliationTaxCreditProductionPercent	-0.031	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.002	pure
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.005	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings	0.005	pure
CY2020	ora	Effective Income Tax Rate Reconciliation Tax On Global Intangible Lowincome Tax Percent EffectiveIncomeTaxRateReconciliationTaxOnGlobalIntangibleLowincomeTaxPercent	0.111	pure
CY2019	ora	Effective Income Tax Rate Reconciliation Tax On Global Intangible Lowincome Tax Percent EffectiveIncomeTaxRateReconciliationTaxOnGlobalIntangibleLowincomeTaxPercent	0.169	pure
CY2018	ora	Effective Income Tax Rate Reconciliation Tax On Global Intangible Lowincome Tax Percent EffectiveIncomeTaxRateReconciliationTaxOnGlobalIntangibleLowincomeTaxPercent	0.186	pure
CY2020	ora	Effective Income Tax Rate Reconciliation Intraentity Transfers Of Assets Other Than Inventory Percent EffectiveIncomeTaxRateReconciliationIntraentityTransfersOfAssetsOtherThanInventoryPercent	-0.004	pure
CY2019	ora	Effective Income Tax Rate Reconciliation Intraentity Transfers Of Assets Other Than Inventory Percent EffectiveIncomeTaxRateReconciliationIntraentityTransfersOfAssetsOtherThanInventoryPercent	0.003	pure
CY2018	ora	Effective Income Tax Rate Reconciliation Intraentity Transfers Of Assets Other Than Inventory Percent EffectiveIncomeTaxRateReconciliationIntraentityTransfersOfAssetsOtherThanInventoryPercent	-0.021	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.016	pure
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.004	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.015	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.007	pure
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.005	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.018	pure
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.397	pure
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.332	pure
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.253	pure
CY2020Q4	ora	Deferred Tax Liability Net Foreign Deferred Taxes Primarily Depreciation DeferredTaxLiabilityNetForeignDeferredTaxesPrimarilyDepreciation	66452000	USD
CY2019Q4	ora	Deferred Tax Liability Net Foreign Deferred Taxes Primarily Depreciation DeferredTaxLiabilityNetForeignDeferredTaxesPrimarilyDepreciation	88508000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	23835000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	21958000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	6689000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	-1405000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	35346000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	45307000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	46449000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	30964000	USD
CY2020Q4	ora	Deferred Tax Liabilities Lease Liabilities Right Of Use Asset DeferredTaxLiabilitiesLeaseLiabilitiesRightOfUseAsset	3753000	USD
CY2019Q4	ora	Deferred Tax Liabilities Lease Liabilities Right Of Use Asset DeferredTaxLiabilitiesLeaseLiabilitiesRightOfUseAsset	3715000	USD
CY2020Q4	ora	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	3846000	USD
CY2019Q4	ora	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	3755000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	813000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	813000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	103592000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	100524000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	92077000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	92497000	USD
CY2020Q4	ora	Deferred Tax Liabilities Withholding Tax DeferredTaxLiabilitiesWithholdingTax	12416000	USD
CY2019Q4	ora	Deferred Tax Liabilities Withholding Tax DeferredTaxLiabilitiesWithholdingTax	15539000	USD
CY2020Q4	ora	Deferred Tax Assets Stock Options Amortization DeferredTaxAssetsStockOptionsAmortization	1510000	USD
CY2019Q4	ora	Deferred Tax Assets Stock Options Amortization DeferredTaxAssetsStockOptionsAmortization	1409000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	41818000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	39622000	USD
CY2020Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	10971000	USD
CY2019Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	6189000	USD
CY2020Q4	ora	Deferred Tax Assets Tax Deferred Expense Reserves Accruals Accrued Liabilities And Other Amounts DeferredTaxAssetsTaxDeferredExpenseReservesAccrualsAccruedLiabilitiesAndOtherAmounts	6777000	USD
CY2019Q4	ora	Deferred Tax Assets Tax Deferred Expense Reserves Accruals Accrued Liabilities And Other Amounts DeferredTaxAssetsTaxDeferredExpenseReservesAccrualsAccruedLiabilitiesAndOtherAmounts	1013000	USD
CY2020Q4	ora	Deferred Tax Assets Liabilities Gross DeferredTaxAssetsLiabilitiesGross	53520000	USD
CY2019Q4	ora	Deferred Tax Assets Liabilities Gross DeferredTaxAssetsLiabilitiesGross	49796000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	22193000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	17412000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	31327000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	32384000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	17412000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	22441000	USD
CY2020	ora	Valuation Allowance Deferred Tax Asset Addition ValuationAllowanceDeferredTaxAssetAddition	20214000	USD
CY2019	ora	Valuation Allowance Deferred Tax Asset Addition ValuationAllowanceDeferredTaxAssetAddition	15437000	USD
CY2020	ora	Valuation Allowance Deferred Tax Asset Release ValuationAllowanceDeferredTaxAssetRelease	15433000	USD
CY2019	ora	Valuation Allowance Deferred Tax Asset Release ValuationAllowanceDeferredTaxAssetRelease	20466000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	22193000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	17412000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	22200000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	17400000	USD
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	4800000	USD
CY2020Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	119299000	USD
CY2019Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	129510000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	87972000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	97126000	USD
CY2020Q4	ora	Deferred Tax Assets Before Uncertain Tax Benefits DeferredTaxAssetsBeforeUncertainTaxBenefits	31327000	USD
CY2019Q4	ora	Deferred Tax Assets Before Uncertain Tax Benefits DeferredTaxAssetsBeforeUncertainTaxBenefits	32384000	USD
CY2020Q4	ora	Uncertain Tax Benefit Decrease To Deferred Tax Asset UncertainTaxBenefitDecreaseToDeferredTaxAsset	95000	USD
CY2019Q4	ora	Uncertain Tax Benefit Decrease To Deferred Tax Asset UncertainTaxBenefitDecreaseToDeferredTaxAsset	95000	USD
CY2020Q4	ora	Deferred Tax Assets Liabilities After Uncertain Tax Benefit Offset DeferredTaxAssetsLiabilitiesAfterUncertainTaxBenefitOffset	31232000	USD
CY2019Q4	ora	Deferred Tax Assets Liabilities After Uncertain Tax Benefit Offset DeferredTaxAssetsLiabilitiesAfterUncertainTaxBenefitOffset	32289000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2000000.0	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	14600000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	10623000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	8820000	USD
CY2020	ora	Unrecognized Tax Benefits Increases Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromPriorPeriodTaxPositions	283000	USD
CY2019	ora	Unrecognized Tax Benefits Increases Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromPriorPeriodTaxPositions	104000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1570000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2314000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	10803000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	615000	USD
CY2019	us-gaap	Interest Expense InterestExpense	80384000	USD
CY2018	us-gaap	Interest Expense InterestExpense	70924000	USD
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	3802000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	624000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-4761000	USD
CY2020	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	25720000	USD
CY2019	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	20872000	USD
CY2018	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	19003000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1673000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	10623000	USD
CY2020	ora	Depreciation Bonus Permitted Write Off Equipment Cost Percentage DepreciationBonusPermittedWriteOffEquipmentCostPercentage	1	pure
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	pure
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	705342000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	156612000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	214013000	USD
CY2020Q4	us-gaap	Assets Assets	3888987000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	320738000	USD
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	746044000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	148761000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	193796000	USD
CY2019Q4	us-gaap	Assets Assets	3250494000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	279986000	USD
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	719267000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	132233000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	185110000	USD
CY2018Q4	us-gaap	Assets Assets	3121350000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	258521000	USD
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	705342000	USD
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	746044000	USD
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	719267000	USD
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	705342000	USD
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	746044000	USD
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	719267000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	214013000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	193796000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	185110000	USD
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	1717000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	1515000	USD
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	974000	USD
CY2020	us-gaap	Interest Expense InterestExpense	77953000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1418000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	880000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	7779000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	168717000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	137303000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	137181000	USD
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	705342000	USD
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	746044000	USD
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	719267000	USD
CY2020Q4	us-gaap	Noncurrent Assets NoncurrentAssets	2606240000	USD
CY2019Q4	us-gaap	Noncurrent Assets NoncurrentAssets	2379537000	USD
CY2018Q4	us-gaap	Noncurrent Assets NoncurrentAssets	2221267000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	1891000	USD
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	1647000	USD
CY2020	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.60	pure
CY2020	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.04	pure
CY2019	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.04	pure
CY2018	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.04	pure
CY2020	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1600000	USD
CY2019	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1600000	USD
CY2018	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1600000	USD
CY2020	us-gaap	Severance Costs1 SeveranceCosts1	3000000.0	USD
CY2019	us-gaap	Severance Costs1 SeveranceCosts1	3500000	USD
CY2018	us-gaap	Severance Costs1 SeveranceCosts1	3000000.0	USD
CY2020	ora	Gain Loss Of Severance Fund GainLossOfSeveranceFund	900000	USD
CY2019	ora	Gain Loss Of Severance Fund GainLossOfSeveranceFund	1000000.0	USD
CY2018	ora	Gain Loss Of Severance Fund GainLossOfSeveranceFund	-1100000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	4968000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	1910000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	148000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	686000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	1160000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	11582000	USD
CY2020Q4	ora	Defined Benefit Plan Expected Future Benefit Payments Total DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal	20454000	USD
CY2020Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	190300000	USD
CY2020Q4	us-gaap	Recorded Unconditional Purchase Obligation RecordedUnconditionalPurchaseObligation	159900000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	3422000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	3273000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1226000	USD
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1330000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	3303000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	8057000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	0	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	0	USD
CY2020	us-gaap	Lease Cost LeaseCost	9842000	USD
CY2019	us-gaap	Lease Cost LeaseCost	14307000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	1226000	USD
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	1330000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	3213000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	9004000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	2890000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	3164000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	1028000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	5262000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2614000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	6364000	USD
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P5Y2M12D
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P4Y
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y8M12D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y3M18D
CY2020Q4	ora	Lease Weighted Average Discount Rate Percent LeaseWeightedAverageDiscountRatePercent	0.05	pure
CY2019Q4	ora	Lease Weighted Average Discount Rate Percent LeaseWeightedAverageDiscountRatePercent	0.05	pure
CY2019Q2	us-gaap	Gross Profit GrossProfit	65147000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	3694000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	20320000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	16723000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	4501000	USD
CY2020Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	4450000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	15819000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	12273000	USD
CY2020Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	11870000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	3255000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	4177000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	2539000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	4116000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1902000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	3015000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1625000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	1156000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1440000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	565000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	9559000	USD
CY2020	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	473260000	USD
CY2019	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	479059000	USD
CY2019Q1	us-gaap	Revenues Revenues	199038000	USD
CY2019Q2	us-gaap	Revenues Revenues	184065000	USD
CY2019Q3	us-gaap	Revenues Revenues	170499000	USD
CY2019Q4	us-gaap	Revenues Revenues	192442000	USD
CY2020Q1	us-gaap	Revenues Revenues	192113000	USD
CY2020Q2	us-gaap	Revenues Revenues	174900000	USD
CY2020Q3	us-gaap	Revenues Revenues	158947000	USD
CY2020Q4	us-gaap	Revenues Revenues	179382000	USD
CY2019Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	124859000	USD
CY2019Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	118918000	USD
CY2019Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	115004000	USD
CY2019Q4	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	117940000	USD
CY2020Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	110295000	USD
CY2020Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	109514000	USD
CY2020Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	104917000	USD
CY2020Q4	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	104341000	USD
CY2019Q1	us-gaap	Gross Profit GrossProfit	74179000	USD
CY2019Q4	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	4123000	USD
CY2020Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	4794000	USD
CY2020Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	4854000	USD
CY2020Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	4076000	USD
CY2020Q4	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	3660000	USD
CY2019Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	15689000	USD
CY2019Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	14181000	USD
CY2019Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	11931000	USD
CY2019Q4	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	14032000	USD
CY2020Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	16745000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	55495000	USD
CY2019Q4	us-gaap	Gross Profit GrossProfit	74502000	USD
CY2020Q1	us-gaap	Gross Profit GrossProfit	81818000	USD
CY2020Q2	us-gaap	Gross Profit GrossProfit	65386000	USD
CY2020Q3	us-gaap	Gross Profit GrossProfit	54030000	USD
CY2020Q4	us-gaap	Gross Profit GrossProfit	75041000	USD
CY2019Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	900000	USD
CY2019Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	810000	USD
CY2019Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1062000	USD
CY2019Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1875000	USD
CY2020Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1619000	USD
CY2020Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1172000	USD
CY2020Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1490000	USD
CY2020Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1114000	USD
CY2019Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	3865000	USD
CY2019Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	3276000	USD
CY2019Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	3783000	USD
CY2020Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	14539000	USD
CY2020Q4	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	17072000	USD
CY2019Q1	us-gaap	Insurance Recoveries InsuranceRecoveries	-0	USD
CY2019Q2	us-gaap	Insurance Recoveries InsuranceRecoveries	-0	USD
CY2019Q3	us-gaap	Insurance Recoveries InsuranceRecoveries	-0	USD
CY2019Q4	us-gaap	Insurance Recoveries InsuranceRecoveries	-0	USD
CY2020Q1	us-gaap	Insurance Recoveries InsuranceRecoveries	2397000	USD
CY2020Q2	us-gaap	Insurance Recoveries InsuranceRecoveries	585000	USD
CY2020Q3	us-gaap	Insurance Recoveries InsuranceRecoveries	17761000	USD
CY2020Q4	us-gaap	Insurance Recoveries InsuranceRecoveries	-0	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	53725000	USD
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	46880000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	38719000	USD
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	54472000	USD
CY2020Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	61057000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	48075000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	51686000	USD
CY2020Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	53195000	USD
CY2019Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	293000	USD
CY2019Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	420000	USD
CY2019Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	482000	USD
CY2019Q4	us-gaap	Investment Income Interest InvestmentIncomeInterest	320000	USD
CY2020Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	402000	USD
CY2020Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	441000	USD
CY2020Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	626000	USD
CY2020Q4	us-gaap	Investment Income Interest InvestmentIncomeInterest	248000	USD
CY2019Q1	us-gaap	Interest Expense InterestExpense	21223000	USD
CY2019Q2	us-gaap	Interest Expense InterestExpense	21517000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	20076000	USD
CY2019Q4	us-gaap	Interest Expense InterestExpense	17568000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	36197000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	15089000	USD
CY2020Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	75000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	41122000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	31466000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	23630000	USD
CY2019Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	41085000	USD
CY2019Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	14127000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	29906000	USD
CY2020Q1	us-gaap	Interest Expense InterestExpense	17273000	USD
CY2020Q2	us-gaap	Interest Expense InterestExpense	19785000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	21756000	USD
CY2020Q4	us-gaap	Interest Expense InterestExpense	19139000	USD
CY2019Q1	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	472000	USD
CY2019Q2	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	19000	USD
CY2019Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	205000	USD
CY2019Q4	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-72000	USD
CY2020Q1	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	393000	USD
CY2020Q2	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	671000	USD
CY2020Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	1047000	USD
CY2020Q4	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	1691000	USD
CY2019Q1	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	7764000	USD
CY2019Q2	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	4637000	USD
CY2019Q3	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	4056000	USD
CY2019Q4	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	4415000	USD
CY2020Q1	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	4132000	USD
CY2020Q2	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	5672000	USD
CY2020Q3	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	7014000	USD
CY2020Q4	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	8902000	USD
CY2019Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	91000	USD
CY2019Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1027000	USD
CY2019Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	244000	USD
CY2019Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-482000	USD
CY2020Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	78000	USD
CY2020Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	304000	USD
CY2020Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	961000	USD
CY2020Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	48789000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	35378000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	39578000	USD
CY2020Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	44972000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14039000	USD
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3529000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9626000	USD
CY2019Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	25477000	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	18148000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11766000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15361000	USD
CY2020Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21728000	USD
CY2019Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1047000	USD
CY2019Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1202000	USD
CY2019Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1085000	USD
CY2019Q4	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1481000	USD
CY2020Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-735000	USD
CY2020Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1658000	USD
CY2020Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1119000	USD
CY2020Q4	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	288000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	28130000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	25270000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	23098000	USD
CY2020Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	23532000	USD
CY2019Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2184000	USD
CY2019Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2259000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-516000	USD
CY2019Q4	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1521000	USD
CY2020Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3873000	USD
CY2020Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2224000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	7419000	USD
CY2020Q4	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2834000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	25946000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	33938000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	15605000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	12606000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	26033000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	23046000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	15679000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	20698000	USD
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.51
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.67
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.31
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.25
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.51
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.45
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.31
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.39
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.51
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.66
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.30
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.24
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.51
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.45
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.31
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.39
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50709000
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50800000
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50933000
CY2019Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51017000
CY2020Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51036000
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51043000
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51072000
CY2020Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53106000
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51012000
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51094000
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51334000
CY2019Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51511000
CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51526000
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51362000
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51282000
CY2020Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53551000

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$ORA
ORMAT TECHNOLOGIES, INC. Stock $ora

2020 Q4 Form 10-K Financial Statement

#000143774921004274 Filed on February 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ORA ORMAT TECHNOLOGIES, INC. Stock $ora

2020 Q4 Form 10-K Financial Statement

#000143774921004274 Filed on February 26, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ORA
ORMAT TECHNOLOGIES, INC. Stock $ora