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Period Type:	instant

The effective date of the contract.

No definition available.

Name:	ora_ContractEffectiveDate
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Balance Type:	na
Period Type:	duration

Expected power generating capacity.

No definition available.

Name:	ora_ExpectedPowerGeneratingCapacity
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Data Type:	num:energyItemType
Balance Type:	na
Period Type:	duration

Number of phases of construction.

No definition available.

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Related to power utilization.

No definition available.

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Period Type:	duration

The length of the agreement term on the power plant usage.

No definition available.

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Data Type:	xbrli:durationItemType
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Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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Amount of the cumulative effect on retained earnings net of related income tax effect.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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-Name Accounting Standards Codification
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The proportionate share of interest (percent) in a jointly owned utility plant.

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The cash outflow from the amount invested for projects in hopes of getting a future return or interest from it.

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