The fair value of equity interest sold in a transaction.

No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

The initial purchase price of the power plant that sold to a private investor by the company.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of additional installments that are expected to be paid by the buyer pursuant to the partnership agreement.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Represents the amount, expressed as a percentage, that the entity receives of the distributable cash flow generated by the project after the Target Flip Date and the date in which the private investor reaches its target return.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount, expressed as a percentage, that the private investor receives of the distributable cash flow generated by the project after the Target Flip Date and the date in which the private investor reaches its target return, if not reached by Target Flip Date.

+ References

No definition available.

+ Details

Name:	ora_PartnershipAgreementPercentageOfDistributableCashFlowGeneratedToPrivateInvestorIfTargetReturnNotReached
Namespace Prefix:	ora_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount, expressed as a percentage, of taxable income that the entity will receive after the Target Flip Date and the date in which the private investor reaches its target return.

+ References

No definition available.

+ Details

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Namespace Prefix:	ora_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount, expressed as a percentage, of taxable income that the private investor will receive after the Target Flip Date and the date in which the private investor reaches its target return, if target return is not reached by the Target Flip Date.

+ References

No definition available.

+ Details

Name:	ora_PartnershipAgreementPercentageOfTaxableIncomeToPrivateInvestorIfTargetReturnNotReached
Namespace Prefix:	ora_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount, expressed as a percentage, of taxable income that the private investor will receive after the Target Flip Date and the date in which the private investor reaches its target return, if not reached by Target Flip Date, and after the project no longer generates PTCs.

+ References

No definition available.

+ Details

Name:	ora_PartnershipAgreementPercentageOfTaxableIncomeToPrivateInvestorIfTargetReturnNotReachedNoLongerGeneratingPtcs
Namespace Prefix:	ora_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of distributable cash to controlling interest.

+ References

No definition available.

+ Details

Name:	ora_PercentageOfDistributableCashToControllingInterest
Namespace Prefix:	ora_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of distributable cash to nontrolling interests.

+ References

No definition available.

+ Details

Name:	ora_PercentageOfDistributableCashToNontrollingInterests
Namespace Prefix:	ora_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of subsidiary's or equity investee's stock sold.

+ References

No definition available.

+ Details

Name:	ora_PercentageOfEquityInterestSold
Namespace Prefix:	ora_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of income (loss), gain, deduction and credit allocated to controlling Interests

+ References

No definition available.

+ Details

Name:	ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterests
Namespace Prefix:	ora_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of income (loss), gain, deduction and credit allocated to controlling Interests in case of PTCs are not available.

+ References

No definition available.

+ Details

Name:	ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterestsPtcsNotAvailable
Namespace Prefix:	ora_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of income (loss), gain, deduction and credit allocated to Noncontrolling Interests

+ References

No definition available.

+ Details

Name:	ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterests
Namespace Prefix:	ora_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of income (loss), gain, deduction and credit allocated to Noncontrolling Interests in case of PTCs are not available.

+ References

No definition available.

+ Details

Name:	ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterestsPtcsNotAvailable
Namespace Prefix:	ora_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of ownership interests.

+ References

No definition available.

+ Details

Name:	ora_PercentageOfOwnershipInterests
Namespace Prefix:	ora_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of power to be generated under contract.

+ References

No definition available.

+ Details

Name:	ora_PowerGeneratedUnderContract
Namespace Prefix:	ora_
Data Type:	dtr-types:energyItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	srt_OwnershipAxis=ora_DAC2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=ora_OtherGeothermalPowerPlantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=ora_OPCLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=ora_JpmCapitalCorporationMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CapitalUnitsByClassAxis=us-gaap_CapitalUnitClassBMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CapitalizedContractCostAxis=ora_TungstenMountainMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ora_McginnessProjectMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
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Data Type:	na
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- Details

Name:	dei_LegalEntityAxis=ora_OrmatNevadaIncMember
Namespace Prefix:
Data Type:	na
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Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ora_SteamboatHillsRepowerGeothermalPowerPlantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=ora_OpalGeoLLCMember
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Data Type:	na
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- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
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- Details

Name:	us-gaap_CapitalUnitsByClassAxis=us-gaap_CapitalUnitClassAMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_NoncontrollingInterestMember
Namespace Prefix:
Data Type:	na
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- Details

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Note 13 - Tax Monetization Transactions (Details Textual) $ in Thousands						12 Months Ended			72 Months Ended
	Dec. 31, 2022	Oct. 25, 2021 USD ($) Boe	Aug. 14, 2019 USD ($) MWh	May 17, 2018 USD ($) MWh	Dec. 16, 2016 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2022 USD ($)
Proceeds from Noncontrolling Interests						$ 5,390	$ 7,577	$ 3,346
DAC 2 [Member]
Percentage Of Ownership Interests					63.25%
Other Geothermal Power Plants [Member]
Percentage Of Ownership Interests					100.00%
OPC LLC [Member] \| JPM Capital Corporation [Member] \| Capital Unit, Class B [Member]
Fair Value of Equity Interest Sold					$ 3,000
Tungsten Mountain [Member]
Power Generated Under Contract (Barrel of Oil Equivalent) \| MWh				26
Parternship Agreement, Initial Purchase Price				$ 33,400
Partnership Agreement, Expected Additional Installments				$ 13,000
Partnership Agreement, Percentage of Distributable Cash Flow Generated				97.50%
Partnership Agreement, Percentage of Taxable Income				95.00%
Partnership Agreement, Percentage of Distributable Cash Flow Generated to Private Investor if Target Return Not Reached				100.00%
Partnership Agreement, Percentage of Taxable Income to Private Investor if Target Return Not Reached				99.00%
Partnership Agreement, Percentage of Taxable Income to Private Investor if Target Return Not Reached, No Longer Generating PTCs				5.00%
McGinness Plant [Member]
Power Generated Under Contract (Barrel of Oil Equivalent) \| MWh			48
Parternship Agreement, Initial Purchase Price			$ 59,300
Partnership Agreement, Expected Additional Installments			$ 9,000
Partnership Agreement, Percentage of Distributable Cash Flow Generated			97.50%
Partnership Agreement, Percentage of Taxable Income			95.00%
Partnership Agreement, Percentage of Distributable Cash Flow Generated to Private Investor if Target Return Not Reached			100.00%
Partnership Agreement, Percentage of Taxable Income to Private Investor if Target Return Not Reached			99.00%
Partnership Agreement, Percentage of Taxable Income to Private Investor if Target Return Not Reached, No Longer Generating PTCs			5.00%
McGinness Plant [Member] \| Maximum [Member]
Partnership Agreement, Expected Additional Installments			$ 22,000
Ormat Nevada Inc. [Member] \| Steamboat Hills Repower Geothermal Power Plant [Member]
Power Generated Under Contract (Barrel of Oil Equivalent) \| Boe		28.4
Parternship Agreement, Initial Purchase Price		$ 38,900
Partnership Agreement, Expected Additional Installments		$ 5,300
Partnership Agreement, Percentage of Distributable Cash Flow Generated		97.50%
Partnership Agreement, Percentage of Taxable Income		95.00%
Partnership Agreement, Percentage of Distributable Cash Flow Generated to Private Investor if Target Return Not Reached		100.00%
Partnership Agreement, Percentage of Taxable Income to Private Investor if Target Return Not Reached		99.00%
Partnership Agreement, Percentage of Taxable Income to Private Investor if Target Return Not Reached, No Longer Generating PTCs		5.00%
Opal Geo LLC [Member]
Percentage Of Distributable Cash to Controlling Interest					97.50%
Percentage of Income (Loss), Gain, Deduction and Credit Allocated to Controlling Interests					1.00%
Percentage of Income (Loss), Gain, Deduction and Credit Allocated to Controlling Interests, PTCs Not Available					95.00%
Opal Geo LLC [Member] \| Forecast [Member]
Percentage of Income (Loss), Gain, Deduction and Credit Allocated to Controlling Interests	95.00%
Opal Geo LLC [Member] \| Capital Unit, Class A [Member]
Percentage Of Ownership Interests					100.00%
Opal Geo LLC [Member] \| JPM Capital Corporation [Member]
Proceeds from Noncontrolling Interests					$ 62,100
Percentage Of Distributable Cash to Nontrolling Interests					2.50%
Percentage of Income (Loss), Gain, Deduction and Credit Allocated to Noncontrolling Interests					99.00%
Percentage of Income (Loss), Gain, Deduction and Credit Allocated to Noncontrolling Interests, PTCs Not Available					5.00%
Opal Geo LLC [Member] \| JPM Capital Corporation [Member] \| Noncontrolling Interest [Member]
Proceeds from Noncontrolling Interests					$ 3,700
Opal Geo LLC [Member] \| JPM Capital Corporation [Member] \| Allocation to Liability Associated With Sale of Tax Benefits [Member]
Proceeds from Noncontrolling Interests					$ 58,500
Opal Geo LLC [Member] \| JPM Capital Corporation [Member] \| Forecast [Member]
Proceeds from Noncontrolling Interests									$ 21,000
Percentage Of Distributable Cash to Nontrolling Interests	100.00%
Percentage of Income (Loss), Gain, Deduction and Credit Allocated to Noncontrolling Interests	5.00%
Opal Geo LLC [Member] \| JPM Capital Corporation [Member] \| Capital Unit, Class B [Member]
Percentage of Equity Interest Sold					100.00%