Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Debt, Tranche [Axis] Debt, Tranche [Axis] Debt, Tranche Trading Arrangement: Trading Arrangement [Axis] Cyrq Energy Cyrq Energy [Member] Cyrq Energy Debt, Tranche [Domain] Debt, Tranche [Domain] Debt, Tranche [Domain] Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] Title of 12(b) Security Title of 12(b) Security Carrying Value Reported Value Measurement [Member] Subsequent Event Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Revenue, remaining performance obligation, expected timing of satisfaction, period (month) Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Business combination, acquisition related costs Business Combination, Acquisition-Related Cost, Expense Adjustment to Compensation, Amount Adjustment to Compensation Amount Full recourse Current Portion Of Long Term Debt With Full Recourse The current portion of the aggregate amount of long-term liabilities that incurred by the Company or its subsidiaries for general corporate purposes and, which is expected to be paid within one year from the date of the balance sheet. Customer [Axis] Customer [Axis] Segment Reporting [Abstract] Deposits Deposits Common stock, par value $0.001 per share; 200,000,000 shares authorized; 61,980,201 and 61,104,078 shares issued; 61,496,941 and 60,845,411 shares outstanding, respectively Common Stock, Value, Issued Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Entity Addresses [Table] Entity Addresses [Table] Recourse Status [Axis] Recourse Status [Axis] Restatement Determination Date Restatement Determination Date Costs and estimated earnings in excess of billings on uncompleted contracts Contract assets Contract with Customer, Asset, after Allowance for Credit Loss Derivative Instrument [Axis] Derivative Instrument [Axis] Loss contingency, receivable, proceeds Loss Contingency, Receivable, Proceeds Debt instrument, convertible, conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price Project Subsidiaries, Geothermal Power Plants Project Subsidiaries, Geothermal Power Plants [Member] Project Subsidiaries, Geothermal Power Plants Amendment Flag Amendment Flag Net carrying amount, convertible notes Convertible Notes Payable Consolidated Entities [Axis] Consolidated Entities [Axis] Current liabilities: Liabilities, Current [Abstract] Change in the provision for expected credit losses for the period Accounts Receivable, Credit Loss Expense (Reversal) Storage Storage [Member] Storage Shares acquired, average cost (US dollar per share) Shares Acquired, Average Cost Per Share Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Payments under finance lease obligations Finance Lease, Principal Payments Accounts receivable, past due Accounts Receivable, Past Due Represents the amount of accounts receivable past due as of the specified date. Other cost of revenues expenses Other Cost of Operating Revenue Loss Contingencies [Table] Loss Contingencies [Table] Consolidated Entities [Domain] Consolidated Entities [Domain] Cash paid to noncontrolling interest Payments to Noncontrolling Interests Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Geosystems Inc, Sage Geosystems Inc, Sage [Member] Geosystems Inc, Sage Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Investment Company, Nonconsolidated Subsidiary [Axis] Investment Company, Nonconsolidated Subsidiary [Axis] Change in foreign currency translation adjustments Currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Common stock, par or stated value per share (in dollars per share) Common Stock, Par or Stated Value Per Share Expenditures for long-lived assets Segment Reporting, Long-Lived Asset, Expenditure for Addition Financing liability: fixed-rate Financing Liability, Fair Value Disclosure Financing Liability, Fair Value Disclosure Long-term debt, net of current portion: Liabilities, Noncurrent [Abstract] Intangible assets, net Intangible Asset, Excluding Goodwill, after Accumulated Amortization Basic (in shares) Weighted average number of shares used in computation of basic earnings per share (in shares) Weighted Average Number of Shares Outstanding, Basic Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Convertible Senior Notes Convertible Senior Notes [Member] Represents convertible senior notes. Income related to transferable production tax credits Income Generated From Expected Sale Of Transferable Production Tax Credits Amount of income recognized related to transferable production tax credits. Current portion of long-term debt: Long-Term Debt and Lease Obligation, Current [Abstract] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Number of reportable segments Number of Reportable Segments Total current liabilities Liabilities, Current Derivative liability, current Derivative Liability, Current Power generation storage capacity, maximum megawatts Business Combination, Power Generation Storage Capacity, Maximum Megawatts Business Combination, Power Generation Storage Capacity, Maximum Megawatts Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Concentration Risk [Table] Concentration Risk [Table] Comprehensive income: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Total revenues Net revenue from external customers Revenue from Contract with Customer, Including Assessed Tax Entity Address, City or Town Entity Address, City or Town Primary customers Primary Customers [Member] Represents entity's primary customers. Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Receivables: Receivables [Abstract] Commercial paper (less deferred financing costs of $14 and $17, respectively) Commercial paper Commercial Paper Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Accounting Basis of Accounting, Policy [Policy Text Block] Product Product [Member] Number of financial Institutions, cash investment Number Of Financial Institutions, Cash Investment Number Of Financial Institutions, Cash Investment Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Principal amount Line of Credit Facility, Maximum Borrowing Capacity Total other comprehensive income (loss), net of related taxes: Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Revenue Benchmark Revenue Benchmark [Member] Net Carrying Amount Notes Payable [Abstract] Induced conversion expense Induced Conversion of Convertible Debt Expense United States UNITED STATES Subsequent Event Type [Axis] Subsequent Event Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Impairment of Long-Lived Assets Long-Lived Asset, Excluding Intangible Asset and Goodwill, Impairment and Disposal [Policy Text Block] Schedule of Fair Value of Stock-Based Award on Assumptions Schedule of Share-Based Payment Award, Valuation Assumptions [Table Text Block] Schedule of Share-Based Payment Award, Valuation Assumptions New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Billings in excess of costs and estimated earnings on uncompleted contracts Increase (Decrease) in Contract with Customer, Liability Schedule of Financial Information of Reportable Segments Segment Reporting [Table Text Block] Noncontrolling Interest Noncontrolling Interest [Member] Debt instrument floating rate notes to be issued Debt Instrument, Floating Rate Notes To Be Issued Debt Instrument, Floating Rate Notes To Be Issued TOPP2 Power Plant in New Zealand Revenue from Contract with Customer [Policy Text Block] Repayment of revolving credit lines with banks Repayments of Lines of Credit Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] Net proceeds from the sale of the notes Proceeds from Debt, Net of Issuance Costs Proceeds from long-term loans, net of transaction costs Proceeds From Long-Term Loans, Net Of Transaction Costs The cash inflow from the issuance of long-term loans, net of transaction costs initially having maturity due after one year or beyond the operating cycle, if longer. Variable-rate Variable Rate Loans [Member] Variable Rate Loans Supplemental non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Document Period End Date Document Period End Date Changes in operating assets and liabilities, net of businesses acquired: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Debt instrument, face amount Debt Instrument, Face Amount Security Exchange Name Security Exchange Name Debt Conversion Terms One Debt Conversion Terms One [Member] Debt Conversion Terms One Treasury stock, at cost (483,260 and 258,667 shares held, respectively) Treasury Stock, Common, Value Deferred debt issuance costs Debt Instrument, Interest Rate, Effective Percentage Cash received from noncontrolling interest Proceeds from Noncontrolling Interests Gain on severance pay fund asset Loss (Gain) On Severance Pay Fund Asset Loss (Gain) On Severance Pay Fund Asset Entity Addresses [Line Items] Entity Addresses [Line Items] Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Operating lease liabilities Operating Lease, Liability, Current Schedule of Allowance for Credit Loss Accounts Receivable, Allowance for Credit Loss [Table Text Block] Finance leases right of use (none related to VIEs) Finance Lease, Right-of-Use Asset, after Accumulated Amortization EARNINGS PER SHARE Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Earnings per share attributable to the Company's stockholders: Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Schedule of Weighted Average Number of Shares Schedule of Weighted Average Number of Shares [Table Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] Capital expenditures Payments to Acquire Property, Plant, and Equipment Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Product Product Segment [Member] The business segment that pertains to products. Schedule of Purchase Price Allocation Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Company Selected Measure Name Company Selected Measure Name Transaction [Domain] Transaction [Domain] Self-manufactured assembly parts and finished products Inventory, Finished Goods and Work in Process, Net of Reserves Schedule of Restrictions on Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Income Tax Disclosure [Abstract] Amortization of debt issuance costs and discounts Amortization of Debt Issuance Costs and Discounts Concentration Risk [Line Items] Concentration Risk [Line Items] Tranche Facility A Tranche Facility A [Member] Tranche Facility A Mark-to-market of derivative instruments Unrealized Gain (Loss) on Derivatives Property, plant and equipment and construction-in-process Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment And Construction In Process Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment And Construction In Process Principal amount, convertible notes Long-Term Debt, Gross Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Credit Facility [Domain] Credit Facility [Domain] Equity ownership, excluding consolidated entity and equity method investee (in percentage) Equity Ownership, Excluding Consolidated Entity and Equity Method Investee, Percentage Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Other Other Receivables, Net, Current Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Business acquisition, percentage of voting interests acquired Business Combination, Voting Equity Interest Acquired, Percentage Diluted (in shares) Weighted average number of shares used in computation of diluted earnings per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Cross currency swap Cross Currency Interest Rate Contract [Member] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Total assets acquired, and liabilities assumed, net Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Derivative Instruments Derivatives, Policy [Policy Text Block] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Proceeds from revolving credit lines with banks Proceeds from Lines of Credit Deferred income tax provision Deferred Income Taxes and Tax Credits Commercial Paper Commercial Paper [Member] The 2018 Incentive Compensation Plan The 2018 Incentive Compensation Plan [Member] Represents the 2018 Incentive Compensation Plan. Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Gross profit Total segment gross profit Gross Profit Investment in unconsolidated companies Investment In Unconsolidated Companies In Excess Of Accumulated Losses Represents the amount of investment in unconsolidated companies in excess of accumulated losses, as of the balance sheet date. Impairment of long-lived assets Write-off of long-lived assets Long-Lived Asset, Held and Used, Impairment Loss Cost of revenues: Cost of Revenue [Abstract] Award Timing Predetermined Award Timing Predetermined [Flag] Treasury Stock Treasury Stock, Common [Member] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Level 1 Fair Value, Inputs, Level 1 [Member] Schedules of Concentration of Risk, by Risk Factor Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Derivative asset, noncurrent Derivative Asset, Noncurrent Effective income tax rate reconciliation (in percent) Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of Financial Statements [Abstract] Conversion ratio Debt Instrument, Convertible, Conversion Ratio Additional shares from the assumed exercise of employee stock awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Change in operating lease liabilities Change In Operating Lease Liabilities Represents information related to increase (decrease) in operating lease liabilities. Restricted Stock Units (RSUs) and Performance Stock Units (PSU) Restricted Stock Units (RSUs) and Performance Stock Units (PSUs) [Member] Represents RSU and PSU. Senior Unsecured Bonds Senior Unsecured Bonds [Member] Represents information pertaining to senior unsecured bonds. Redeemable noncontrolling interest Redeemable Noncontrolling Interest, Equity, Carrying Amount Plan Name [Domain] Plan Name [Domain] Selling and marketing expenses Selling and Marketing Expense Operating leases right of use ($24,671 and $17,236 related to VIEs, respectively) Operating leases right of use Operating Lease, Right-of-Use Asset Concentration Risk Type [Domain] Concentration Risk Type [Domain] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Convertible senior notes less current portion Debt Issuance Costs, Current, Net Accounting Changes and Error Corrections [Abstract] Decrease (increase) in severance pay fund asset, net of payments to retired employees Increase (Decrease) In Severance Pay Fund Asset, Net The amount represents the net of total investments and withdrawals to/from the severance pay fund. Fair Value Disclosures [Abstract] Principal Amount Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Investment Company, Nonconsolidated Subsidiary [Domain] Investment Company, Nonconsolidated Subsidiary [Domain] BUSINESS SEGMENTS Segment Reporting [Text Block] Minimum Minimum [Member] TOPP2 Power Plant TOPP2 Power Plant [Member] TOPP2 Power Plant Cash dividends paid Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date Share-Based Compensation Arrangement by Share-Based Payment Award, Additional General Disclosures [Abstract] Current portion of financing liability Finance Liability, Current Amount of current finance liability. Restricted cash and cash equivalents Restricted Cash and Cash Equivalent Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Total equity Balance at the start of the period Balance at the end of the period Equity, Including Portion Attributable to Noncontrolling Interest Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Business Combination [Line Items] Business Combination [Line Items] Cash dividend declared Dividends, common stock Dividends, Common Stock Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Proceeds from issuance of common stock, net of related costs Proceeds from Issuance of Common Stock Common stock, shares authorized (in shares) Common Stock, Shares Authorized Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Ormat Geothermal LLC Ormat Geothermal LLC [Member] Ormat Geothermal LLC Schedule of Fair Value of Long-Term Debt Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Exercise Price Award Exercise Price Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Related Party Transaction [Axis] Related Party Transaction [Axis] Segment Reporting [Line Items] Segment Reporting [Line Items] Exchange for future services Equity Method Investment, Equity Exchange for Future Services Equity Method Investment, Equity Exchange for Future Services 2031 Convertible Notes 2031 Convertible Note Convertible Senior Notes Due 2031 [Member] Convertible Senior Notes Due 2031 Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Cash and cash equivalents and restricted cash and cash equivalents at beginning of period Cash and cash equivalents and restricted cash and cash equivalents at end of period Total cash and cash equivalents and restricted cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Interest rate swap Interest Rate Swap [Member] Effect of exchange rate changes Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Income from operations before income tax and equity in earnings (losses) of investees Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Ormat Geothermal Senior Secured Notes Ormat Geothermal Senior Secured Notes [Member] Ormat Geothermal Senior Secured Notes Contract with customer, asset, noncurrent Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Debt Conversion Terms One, Prior To March 15, 2030 Debt Conversion Terms One, Prior To March 15, 2030 [Member] Debt Conversion Terms One, Prior To March 15, 2030 Financing receivable, after allowance for credit loss Financing Receivable, after Allowance for Credit Loss Deferred financing costs, convertible notes Debt Issuance Costs, Net Debt instrument, unamortized discount (premium) and debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Schedule of Components of Interest Expense Schedule of Other Nonoperating Expense, by Component [Table Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Investment Equity Method Investments Business Combination [Table] Business Combination [Table] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Secured Debt Secured Debt [Member] Deposits and other Increase (Decrease) in Deposit Assets Adoption Date Trading Arrangement Adoption Date Investment in unconsolidated companies Payments to acquire equity method investments Payments to Acquire Equity Method Investments Debt instrument, interest Debt Instrument, Interest Rate, Stated Percentage Total stockholders' equity attributable to Company's stockholders Equity, Attributable to Parent Increase (decrease) in noncontrolling interest related to tax monetization transaction Increase (Decrease) In Noncontrolling Interest Related To Tax Monetization Transaction Increase (Decrease) In Noncontrolling Interest Related To Tax Monetization Transaction Entity Addresses, Address Type [Axis] Entity Addresses, Address Type [Axis] ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Risk-free interest rates Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Litigation settlement, gain Litigation Settlement, Gain Insider Trading Policies and Procedures [Line Items] Beginning balance of the allowance for expected credit losses Ending balance of the allowance for expected credit losses Accounts Receivable, Allowance for Credit Loss, Current Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Prepaid expenses and other Prepaid Expense and Other Assets, Current Debt instrument commitment fee (in percentage) Debt Instrument, Commitment Fee Percentage Debt Instrument, Commitment Fee Percentage INTEREST EXPENSE, NET Interest Expense Disclosure [Text Block] The entire disclosure for interest expense disclosure. Change in accounts payable related to purchases of property, plant and equipment Change In Accounts Payable Related To Purchases Of Property, Plant And Equipment Increase decrease in accounts payable related to purchases of property plant and equipment. Business Combination [Domain] Business Combination [Domain] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Construction-in-process ($360,291 and $392,644 related to VIEs, respectively) Construction-in-process Construction in Progress, Gross Antidilutive securities excluded from computation of earnings per share, amount (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Central Index Key Entity Central Index Key Debt issuance costs, noncurrent, net Noncurrent portion Debt Issuance Costs, Noncurrent, Net Debt Instrument, Convertible Terms Of Conversion [Domain] Debt Instrument, Convertible Terms Of Conversion [Domain] Debt Instrument, Convertible Terms Of Conversion [Domain] Additional paid-in capital Additional Paid in Capital, Common Stock All Adjustments to Compensation All Adjustments to Compensation [Member] Derivatives, cash collateral deposits Derivatives Cash Collateral Deposits The amount of derivative cash collateral deposits. Business Combination [Axis] Business Combination [Axis] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Transferable Production and Investment Tax Credits Income Tax, Policy [Policy Text Block] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Accounts receivable Accounts Receivable [Member] Revenue, remaining performance obligation, (in percentage) Revenue, Remaining Performance Obligation, Percentage Gain or (loss) recognized in Other comprehensive income (loss): Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Income Statement [Abstract] Income Statement [Abstract] The Company's stockholders' equity: Equity, Attributable to Parent [Abstract] Changes in fair value of equity investments without a readily determinable fair value Increase (Decrease) in Equity Securities, FV-NI Document Transition Report Document Transition Report Convertible senior notes (less deferred financing costs of $4,990) less current portion Convertible Notes Payable, Current Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Operating expenses: Less operating expenses: Operating Expenses [Abstract] Deferred income taxes Deferred Income Tax Assets, Net Finance lease liabilities Finance Lease, Liability, Noncurrent Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Income attributable to sale of tax benefits, net of interest expense Income Attributable To Sale Of Equity Interests, Net Of Interest Expense Income attributable to sale of equity interests net of interest expense. Less — amount capitalized Interest Costs Capitalized Adjustment Variable rate Debt Instrument, Basis Spread on Variable Rate ENEE ENEE (Empresa Nacional de Energía Eléctrica) [Member] Represents information about ENEE, national utility in Honduras. Other long-term assets Business Combination, Recognized Asset Acquired, Other Asset, Current City Area Code City Area Code Debt Conversion Terms One, On Or After March 15, 2030 Debt Conversion Terms One, On Or After March 15, 2030 [Member] Debt Conversion Terms One, On Or After March 15, 2030 Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] SUBSEQUENT EVENTS Subsequent Events [Text Block] Reduction of unamortized debt issuance expense Reduction of Unamortized Debt Issuance Expense Reduction of Unamortized Debt Issuance Expense Debt Conversion Terms Three Debt Conversion Terms Three [Member] Debt Conversion Terms Three Property, plant and equipment, net ($3,583,076 and $3,460,079 related to VIEs, respectively) Property, plant and equipment, net Property, Plant And Equipment, Net (Excluding Construction In Progress) Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Excludes construction in progress, net. Name Forgone Recovery, Individual Name Debt Conversion Terms Two Debt Conversion Terms Two [Member] Debt Conversion Terms Two Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Recourse Status [Domain] Recourse Status [Domain] Statement [Line Items] Statement [Line Items] Total assets Segment assets Assets Entity [Domain] Entity [Domain] Convertible Debt Convertible Debt [Member] Operating Segments Operating Segments [Member] Interest expense, net Total interest expense, net Interest expense, net Interest Expense, Nonoperating Derivatives designated as cash flow hedging instruments Gain (Loss) on Hedging Activity Fair value, net asset (liability) Fair Value, Net Asset (Liability) Loans payable Loans Payable, Fair Value Disclosure Total liabilities assumed Business Combination, Recognized Liability Assumed, Liability STOCK-BASED COMPENSATION Share-Based Payment Arrangement [Text Block] Long-term operating lease liabilities Business Combination, Recognized Liability Assumed, Lease Obligation Proceeds from issuance of convertible notes, net of transaction costs Proceeds from Convertible Debt Common stock issuance for convertible note repayment (in shares) Stock Issued During Period, Shares, New Issues PEO PEO [Member] Balance (in shares) Balance (in shares) Shares, Outstanding Interest related to sale of tax benefits Interest Expense, Sale Of Tax Benefits Interest expense sale of tax benefits. Measurement Basis [Axis] Measurement Basis [Axis] Other long-term liabilities Other Liabilities, Noncurrent Goodwill Goodwill Inventory Business Combination, Recognized Asset Acquired, Inventory, Current Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Exercise of stock-based awards by employees and directors (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Wapsalit Geothermal Power Wapsalit Geothermal Power [Member] Wapsalit Geothermal Power Kenya Power and Lighting Co. Ltd. ("KPLC") Kenya Power and Lighting Co LTD [Member] Related to the Kenya Power and Lighting Co LTD. Subsequent Event Type [Domain] Subsequent Event Type [Domain] Retained Earnings Retained Earnings [Member] Operating lease liabilities Operating Lease, Liability, Noncurrent Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Schedule of Financial Assets and Liabilities Measured at Fair Value Fair Value, by Balance Sheet Grouping [Table Text Block] Diluted (in dollars per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Debt Instrument, Convertible Terms Of Conversion [Axis] Debt Instrument, Convertible Terms Of Conversion [Axis] Debt Instrument, Convertible Terms Of Conversion Prepaid expenses and other Increase (Decrease) in Prepaid Expense and Other Assets Unrealized gain Unrealized Gain (Loss) on Investments Financing liability Finance Liability, Noncurrent Amount of finance liability, classified as noncurrent. Loss contingency, damages paid, value Loss Contingency, Damages Paid, Value Research and development expenses Research and Development Expense Weighted average number of shares used in computation of earnings per share attributable to the Company's stockholders: Weighted average number of shares used in computation of earnings per share attributable to the Company's stockholders: Information on the weighted average number of outstanding shares. Total assets acquired Business Combination, Recognized Asset Acquired, Asset Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Power generation capacity, megawatts Business Combination, Power Generation Capacity, Megawatts Business Combination, Power Generation Capacity, Megawatts Repayments of long-term debt Repayments of Other Long-Term Debt Operating lease right-of-use Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Right Of Use Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease Right Of Use Change in operating lease right of use asset Change In Operating Lease Right Of Use Asset Represents the effect on operating cash flows, by way of changes in operating assets and liabilities, of the operating lease right of use asset. INVENTORIES Inventory Disclosure [Text Block] Power generation storage capacity, minimum megawatts Business Combination, Power Generation Storage Capacity, Minimum Megawatts Business Combination, Power Generation Storage Capacity, Minimum Megawatts 2027 Convertible Note 2027 Convertible Notes Convertible Senior Notes Due 2027 [Member] Convertible Senior Notes Due 2027 Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount 2031 Convertible Notes 2031 Convertible Notes [Member] 2031 Convertible Notes Comprehensive income (loss) attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Fair Value Estimate of Fair Value Measurement [Member] Common stock issuance for convertible note repayment Stock Issued During Period, Value, New Issues Leases in which the Company is a Lessor Lessor, Leases [Policy Text Block] Trade receivables and others Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables And Others Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables And Others Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Cash Cash Raw materials and purchased parts for assembly Inventory, Raw Materials and Supplies, Net of Reserves Inventories Increase (Decrease) in Inventories Reconciliation of Cash and Cash Equivalents and Restricted Cash and Cash Equivalents Reconciliation of Cash and Cash Equivalents and Restricted Cash [Policy Text Block] Reconciliation of Cash and Cash Equivalents and Restricted Cash Address Type [Domain] Address Type [Domain] Bargain purchase gain Bargain purchase gain Business Combination, Bargain Purchase, Gain Recognized, Amount Segment Reporting [Table] Segment Reporting [Table] Equity Method Investment [Table] Equity Method Investment [Table] Business combination, pro forma information, revenue of acquiree since acquisition date, actual Business Combination, Acquiree's Revenue since Acquisition Date, Actual Recourse Recourse [Member] Commitments and Contingencies Disclosure [Abstract] Other income (expense): Other Nonoperating Income (Expense) [Abstract] All Trading Arrangements All Trading Arrangements [Member] less current portion Long-Term Debt, Gross, Current Maturities Long-Term Debt, Gross, Current Maturities Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating income Operating Income (Loss) Total receivables Total Receivables [Member] Represents total receivables. Revenue, remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Settlement Agreement Settlement Agreement [Member] Settlement Agreement Related Party Transaction [Domain] Related Party Transaction [Domain] Convertible senior note Notes Payable, Fair Value Disclosure Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Common stock, dividends, per share, declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash paid to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Accounts payable, accrued expenses and others Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable, Accrued Expenses And Others Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable, Accrued Expenses And Others Full recourse (less deferred financing costs of $3,657 and $4,248, respectively) Full Recourse, Less Deferred Financing Costs The aggregate amount of long-term liabilities that incurred by the Company or its subsidiaries for general corporate purposes and, which is expected to be paid after one year from the date of the balance sheet. Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Common stock, issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] GENERAL AND BASIS OF PRESENTATION Business Description and Basis of Presentation [Text Block] Settlement Agreement Catastrophe [Policy Text Block] Catastrophe Energy Storage Energy Storage Segment [Member] Represents information related to energy storage and management services. Treasury stock, common (in shares) Treasury Stock, Common, Shares Equity in losses (earnings) of investees Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Asset retirement obligation Asset Retirement Obligations, Noncurrent Cash, uninsured amount Cash, Uninsured Amount Equity Components [Axis] Equity Components [Axis] Debt instrument, repurchase amount Debt Instrument, Repurchase Amount 2031 Convertible Senior Notes 2031 Convertible Senior Notes [Member] 2031 Convertible Senior Notes Product and Service [Domain] Product and Service [Domain] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Electricity Electricity Segment [Member] Related to the electricity segment. Entity Interactive Data Current Entity Interactive Data Current Business combination, pro forma information, earnings or loss of acquiree since acquisition date, actual Business Combination, Acquiree's Earnings (Loss) since Acquisition Date, Actual Net income (loss) attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Finance lease liabilities Finance Lease, Liability, Current Deferred income taxes Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Derivatives not designated as hedging instruments Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities, Current Entity Small Business Entity Small Business Comprehensive income attributable to the Company's stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Fixed price power purchase agreement period Business Combination, Fixed Price Power Purchase Agreement Period Business Combination, Fixed Price Power Purchase Agreement Period Termination Date Trading Arrangement Termination Date Cash equivalents (primarily restricted cash accounts) Cash, Cash Equivalents And Restricted Cash, Fair Value Disclosure Fair value portion of currency on hand as well as demand deposits with banks or financial institutions and include restricted cash. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Subsequent Events [Abstract] Liability for unrecognized tax benefits Increase (Decrease) In Unrecognized Tax Benefits Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns. Effective income tax rate reconciliation, at federal statutory income tax rate, (in percent) Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Liability for unrecognized tax benefits Liability for Uncertainty in Income Taxes, Noncurrent Document Type Document Type Cash paid for business acquisition, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Derivative asset, current Derivative Asset, Current Fair Value as of Grant Date Award Grant Date Fair Value Prepayments of convertible notes Repayments of Convertible Debt Redemption price Debt Instrument, Redemption Price, Percentage Liabilities for severance pay Increase (Decrease) in Restructuring Reserve Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Limited and non-recourse (primarily related to VIEs and less deferred financing costs of $15,131 and $13,488, respectively) Limited and non-recourse Limited And Non-Recourse The aggregate amount of long-term liabilities that incurred by the Company or its subsidiaries with limited and non-recourse for general corporate purposes and, which is expected to be paid after one year from the date of the balance sheet. Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Tranche Facility B Tranche Facility B [Member] Tranche Facility B Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Registrant Name Entity Registrant Name Cash received from sale of a power plant Cash Received From Sale Of Plant Plant Cash Received From Sale Of Plant Plant Nonrecourse Nonrecourse [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Interest expense Interest Expense, Other Commitments and contingencies (Note 9) Commitments and Contingencies Restricted cash and cash equivalents (primarily related to VIEs) Restricted Cash and Investments, Current Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Equity in earnings (losses) of investees Income (Loss) from Equity Method Investments Income attributable to sale of tax benefits Equity Method Investment, Realized Gain (Loss) on Disposal Right of use assets obtained in exchange for new lease liabilities Right Of Use Assets Obtained In Exchange For New Lease Liabilities Amount of increase in right-of-use asset obtained in exchange for lease liability. Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Percentage of drilling costs Line of Credit Facility, Percentage Of Drilling Costs Line of Credit Facility, Percentage Of Drilling Costs Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Innergex Renewables USA LLC Innergex Renewables USA LLC [Member] Innergex Renewables USA LLC Deferred income taxes Business Combination, Recognized Asset Acquired, Deferred Tax Asset Executive Category: Executive Category [Axis] Share-based compensation arrangement by share-based payment award, award vesting period (year) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Gain from induced conversion Adjustments to Additional Paid in Capital, Gain From Induced Conversion Adjustments to Additional Paid in Capital, Gain From Induced Conversion Other changes in comprehensive income Other Other Comprehensive Income (Loss), Other Changes, Net Of Tax Amount after tax and reclassification adjustments of other changes to other comprehensive income (loss). Inventories Total inventories Inventory, Net Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fixed-rate Fixed Rate Loans [Member] Fixed Rate Loans FAIR VALUE OF FINANCIAL INSTRUMENTS Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Transaction Type [Axis] Transaction Type [Axis] Expected life (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Redemption price, percentage of principal amount redeemed Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Purchase of treasury stock (in shares) Purchase of treasury stock (in shares) Treasury Stock, Shares, Acquired PEO Name PEO Name Threshold percentage of stock price trigger Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Geographical [Axis] Geographical [Axis] Contract liabilities Contract with Customer, Liability Short term revolving credit lines with banks (full recourse) Other Short-Term Borrowings Segment operating expenses (income) Segment Reporting, Other Segment Item, Amount Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Legal Entity [Axis] Legal Entity [Axis] Convertible senior notes (less deferred financing costs of $18,545 and $4,103, respectively) Noncurrent portion Convertible Notes Payable, Noncurrent Change in unrealized gains or losses in respect of a cross-currency swap / interest rate swap derivative instrument that qualifies as a cash flow hedge Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Purchase of treasury stock Treasury Stock, Value, Acquired, Cost Method Proceeds over due accounts receivable Proceeds Overdue, Accounts Receivable Represents the amount of proceeds received during the period from payments on accounts receivable that were overdue. Revenues from Contracts with Customers Revenue [Policy Text Block] Equity Investment in Sage Equity Method Investments [Policy Text Block] Lease income relating to lease payments from operating leases Operating Lease, Lease Income, Lease Payments Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Performance Stock Units (PSU) Performance Stock Units (PSUs) [Member] Represents performance stock units (PSU). Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Currency forward and option contracts Currency Forward And Option Contracts [Member] Contracts negotiated between two parties to purchase and sell a specific quantity of a financial instrument, foreign currency, or commodity at a price specified at origination of the contract, with delivery and settlement at a specified future date. Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Other long-term liability Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Ownership percentage Equity Method Investment, Ownership Percentage Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Interest Expense, Operating and Nonoperating [Abstract] Allowance for Credit Losses Credit Loss, Financial Instrument [Policy Text Block] Disposal of property, plant and equipment Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Customer [Domain] Customer [Domain] Investment, Name [Domain] Investment, Name [Domain] Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Basic (in dollars per share) Earnings Per Share, Basic Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Purchase of treasury stock Purchase of treasury stock Payments for Repurchase of Common Stock Costs and estimated earnings in excess of billings on uncompleted contracts Increase (Decrease) in Contract with Customer, Current, Assets Increase (Decrease) in Contract with Customer, Current, Assets Limited and non-recourse (primarily related to VIEs) Current Portion Of Long Term Debt With Limited And Nonrecourse The current portion of the aggregate amount of long-term liabilities that incurred by the Company or its subsidiaries with limited and non-recourse for general corporate purposes and, which is expected to be paid within one year from the date of the balance sheet. Billings in excess of costs and estimated earnings on uncompleted contracts Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Schedule of Gain (Loss) Recognized in the Consolidated Statements of Operations and Comprehensive Income (Loss) Derivative Instruments, Gain (Loss) [Table Text Block] Write-offs of Unsuccessful Exploration and Storage Activities Oil and Gas, Capitalized Exploratory Well Cost [Policy Text Block] Proceeds related to tax monetization transactions Proceeds Related To Tax Monetization Transactions Proceeds Related To Tax Monetization Transactions Award Type [Axis] Award Type [Axis] Debt issuance costs Payments of Financing Costs Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Trade less allowance for credit losses of $476 and $308, respectively (primarily related to VIEs) Trade allowance for credit losses Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Threshold trading days Debt Instrument, Convertible, Threshold Trading Days Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Geothermal Exploration Project Geothermal Exploration Project [Member] Geothermal Exploration Project Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Expected volatility (weighted average) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Schedule of Operating Lease, Lease Income Operating Lease, Lease Income [Table Text Block] Former Address Former Address [Member] Gain from sale of a power plant Gain (Loss) on Disposition of TOPP2 Power Plant Gain (Loss) on Disposition of TOPP2 Power Plant Deposits and other (primarily related to VIEs) Deposits and other Noncurrent Deposits And Other Assets. Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Income related to transferable investment tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Investment, Amount Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Non-US Foreign Non-US [Member] Purchase agreement, reduction to the cost of good purchased Loss Contingency, Purchase Agreement, Reduction To The Cost of Good Purchased Loss Contingency, Purchase Agreement, Reduction To The Cost of Good Purchased Statement [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Other comprehensive income (loss), net of related taxes: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Alternative [Abstract] Concentration risk (in percentage) Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Schedule of Convertible Notes Convertible Debt [Table Text Block] Derivative liability, noncurrent Derivative Liability, Noncurrent Total liabilities, redeemable noncontrolling interest and equity Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Electricity Electricity [Member] Noncontrolling interest Equity, Attributable to Noncontrolling Interest Number of segment, allocation of other segment items Number Of Segment, Allocation Of Other Segment Items Number Of Segment, Allocation Of Other Segment Items Segments [Axis] Segments [Axis] Debt instrument number of semiannual installment Debt Instrument, Number Of Semi Annual Payments Debt Instrument, Number Of Semi Annual Payments Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Plan Name [Axis] Plan Name [Axis] Inventory Disclosure [Abstract] Tabular List, Table Tabular List [Table Text Block] Pomona 1 Battery Energy Storage Facility Pomona 1 Battery Energy Storage Facility [Member] Pomona 1 Battery Energy Storage Facility Other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Noncurrent portion Long-Term Debt, Gross, Excluding Current Maturities Long-Term Debt, Gross, Excluding Current Maturities Other non-operating income (expense), net Other Nonoperating Income (Expense) Accretion of asset retirement obligation Asset Retirement Obligation, Accretion Expense Total Parent [Member] Additional shares related to the effect of dilutive convertible senior notes (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Other operating income Other Operating Income (Expense), Net Name Awards Close in Time to MNPI Disclosures, Individual Name Equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Series A Convertible Senior Notes Due 2031 Series A Convertible Senior Notes Due 2031 [Member] Series A Convertible Senior Notes Due 2031 Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Cross-currency swap Cross Currency Swap [Member] Related to cross currency swap. General and administrative expenses General and Administrative Expense Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Adjustment to Compensation: Adjustment to Compensation [Axis] Liability associated with sale of tax benefits Liability Associated With Sale Of Tax Benefits Liability associated with sale of tax benefits. Accounted for Under ASC 606 Accounted for Under ASC 606 [Member] Represents accounted for under ASC 606. Amounts reclassified from Other comprehensive income (loss) into earnings: Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name INCOME TAXES Income Tax Disclosure [Text Block] Long-term costs and estimated earnings in excess of billings on uncompleted contracts Increase (Decrease) in Contract with Customer, Noncurrent, Assets Increase (Decrease) in Contract with Customer, Noncurrent, Assets Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total cash consideration paid Business Combination, Consideration Transferred 2027 Convertible Senior Notes 2027 Convertible Senior Notes [Member] 2027 Convertible Senior Notes Loss (gain) on foreign currency exchange rates Loss (Gain) on Foreign Currency Exchange Rates Loss (Gain) on Foreign Currency Exchange Rates Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Schedule of Reconciling Information Between Reportable Segments Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Table Text Block] Depreciation and amortization expenses Depreciation, Depletion and Amortization Liabilities for severance pay Liability, Retirement and Postemployment Benefits Asset retirement obligation Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Asset Retirement Obligation Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Asset Retirement Obligation Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Current assets: Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Income tax (provision) benefit Income Tax Expense (Benefit) Derivatives and foreign currency transaction gains (losses) Gain (Loss), Foreign Currency Transaction, before Tax Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Customer Concentration Risk Customer Concentration Risk [Member] Net income Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Total cost of revenues Cost of Product and Service Sold Series B Convertible Senior Notes Due 2031 Series B Convertible Senior Notes Due 2031 [Member] Series B Convertible Senior Notes Due 2031 Award Timing Method Award Timing Method [Text Block] Net change in cash and cash equivalents and restricted cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Sierra Pacific Power Company and Nevada Power Company Sierra Pacific Power Company And Nevada Power Company [Member] Related to the entities Sierra Pacific Power Company and Nevada Power Company. Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] NEW ACCOUNTING PRONOUNCEMENTS Accounting Standards Update and Change in Accounting Principle [Text Block] Net income attributable to the Company's stockholders Net Income (Loss) Attributable to Parent Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] Cash, FDIC insured amount Cash, FDIC Insured Amount Statement [Table] Statement [Table] Segment Reconciling Items Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Restatement Determination Date: Restatement Determination Date [Axis] Series A Investee Series A Investee [Member] Series A Investee Deferred Financing Costs Debt Issuance Costs, Net [Abstract] Change in unrealized gains or losses in respect of the Company's share in derivatives instruments of an unconsolidated investment that qualifies as a cash flow hedge Change In Unrealized Gains Or Losses In Respect Of The Company's Share In Derivatives Instruments Of Unconsolidated Investment That Qualifies As A Cash Flow Hedge The amount of other comprehensive income (loss) from unrealized gains (losses) in derivative instruments of unconsolidated investments. Interest income Investment Income, Interest Southern California Public Power Authority (“SCPPA”) Southern California Public Power Authority [Member] Represents information pertaining to the major customer, Southern California Public Power Authority. Schedule of Total Contract Assets and Contract Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Receivables Increase (Decrease) in Receivables Threshold consecutive trading days Debt Instrument, Convertible, Threshold Consecutive Trading Days Aron Willis [Member] Aron Willis Revenues: Revenues [Abstract] Write-off of unsuccessful exploration and storage activities Impairment, Oil and Gas, Property with Unproved Reserve Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]