Debt Instrument, Number of Tranches

No definition available.

Name:	ora_DebtInstrumentNumberOfTranches
Namespace Prefix:	ora_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Geothermal Power Plants

+ References

No definition available.

+ Details

Name:	ora_NumberOfGeothermalPowerPlants
Namespace Prefix:	ora_
Data Type:	xbrli:integerItemType
Balance Type:	na
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

Name:	ora_PartnershipAgreementExpectedAdditionalInstallments
Namespace Prefix:	ora_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

Name:	ora_PartnershipAgreementInitialPurchasePrice
Namespace Prefix:	ora_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the amount, expressed as a percentage, that the entity receives of the distributable cash flow and taxable income 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

Name:	ora_PartnershipAgreementPercentageOfDistributableCashAndTaxableIncomeGenerated
Namespace Prefix:	ora_
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 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

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

+ Details

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-SubTopic 405
-Topic 942
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477787/942-405-45-2

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

+ Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=ora_GeothermieBouillanteS.A.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=ora_GeothermieBouillanteS.A.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ora_GBLoanAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ora_DebtTrancheAxis=ora_TrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ora_DebtTrancheAxis=ora_TrancheTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	dei_LegalEntityAxis=ora_OrmatNevadaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SUBSEQUENT EVENTS (Details) $ / shares in Units, $ in Thousands, € in Millions				3 Months Ended
	Aug. 06, 2025 USD ($) $ / shares	Jul. 31, 2025 EUR (€) tranches	Jul. 10, 2025 USD ($) geothermalPowerPlant	Jun. 30, 2025 USD ($) $ / shares	Mar. 31, 2025 USD ($) $ / shares	Jun. 30, 2024 USD ($) $ / shares	Mar. 31, 2024 USD ($) $ / shares
Subsequent Event [Line Items]
Dividends, common stock				$ 7,282	$ 7,273	$ 7,344	$ 7,243
Common stock, dividends, per share, declared (in dollars per share) \| $ / shares				$ 0.12	$ 0.12	$ 0.12	$ 0.12
Subsequent Event
Subsequent Event [Line Items]
Dividends, common stock	$ 7,300
Common stock, dividends, per share, declared (in dollars per share) \| $ / shares	$ 0.12
Subsequent Event \| Geothermie Bouillante S.A.
Subsequent Event [Line Items]
Subsidiary, ownership percentage		63.75%
Subsequent Event \| Geothermie Bouillante S.A. \| Secured debt \| GB Loan Agreements
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity \| €		€ 99.8
Debt instrument, number of tranches \| tranches		2
Subsequent Event \| Geothermie Bouillante S.A. \| Secured debt \| GB Loan Agreements \| Tranche one
Subsequent Event [Line Items]
Debt instrument, interest		4.10%
Debt instrument, term		5 years
Subsequent Event \| Geothermie Bouillante S.A. \| Secured debt \| GB Loan Agreements \| Tranche two
Subsequent Event [Line Items]
Debt instrument, interest		4.80%
Debt instrument, term		21 years
Subsequent Event \| Heber Geothermal Power Plants \| Ormat Nevada
Subsequent Event [Line Items]
Number of contracted geothermal power plants, business combination \| geothermalPowerPlant			2
Partnership agreement, initial purchase price			$ 77,100
Partnership agreement, expected additional installments			$ 25,700
Percentage of distributable cash and taxable income generated			95.00%
Percentage of distributable cash flow generated to private investor if target return not reached			75.00%
Percentage of taxable income to private investor if target return not reached			99.00%