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Amount of commitment fee under debt instrument as a percentage.

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Represent the maximum debt to adjusted EBITDA ratio pursuant the loan agreement.

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The percent of equity capital to total assets under a debt instrument covenant.

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The amount of minimum equity capital covenant under a debt instrument.

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Amount of floating rate notes to be issued under debt instrument.

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The number of quarterly payments on the debt instrument.

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Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

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Represents the write-off of energy storage projects that the Company is no longer pursuing as well as specific certain customer related assets, including unsuccessful exploration activites and storage assets.

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Amount of income recognized related to investment production tax credits.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

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The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.

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Face amount or stated value per share of common stock.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Face (par) amount of debt instrument at time of issuance.

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

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Amount of the required periodic payments applied to principal.

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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.

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The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

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

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The cash inflow from the additional capital contribution to the entity.

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Per share or per unit amount of equity securities issued.

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Note 1 - General and Basis of Presentation 1 (Details Textual) $ / shares in Units, $ in Thousands					1 Months Ended	3 Months Ended			12 Months Ended
	Mar. 28, 2024 USD ($)	Jan. 04, 2024 USD ($)	Jan. 02, 2024 USD ($)	Mar. 14, 2023 USD ($) $ / shares shares	Apr. 30, 2024 USD ($)	Mar. 31, 2024 USD ($) $ / shares	Mar. 31, 2024 USD ($) $ / shares	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) $ / shares
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares				$ 0.001		$ 0.001	$ 0.001		$ 0.001
Proceeds from Issuance of Common Stock						$ 0		$ 297,121
Energy Storage Projects and Assets, Write-off, Including Unsuccessful Exploration Activities and Storage Assets						0		0
Cash, FDIC Insured Amount						68,200	$ 68,200		$ 43,200
Cash, Uninsured Amount						55,900	55,900		57,500
Accounts Receivable, after Allowance for Credit Loss, Current						154,557	154,557		$ 208,704
Income Related to Transferable Production Tax Credits						4,400		1,800
Income Related to Transferable Investment Tax Credits						11,500		$ 1,600
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]	Secured Overnight Financing Rate (SOFR) [Member]		Secured Overnight Financing Rate (SOFR) [Member]
Kenya Power and Lighting Co LTD [Member]
Accounts Receivable, Past Due						40,000	40,000
Kenya Power and Lighting Co LTD [Member] \| Subsequent Event [Member]
Proceeds, Overdue Accounts Receivable					$ 12,400
ENEE [Member]
Accounts Receivable, Past Due						$ 16,900	16,900
ENEE [Member] \| Subsequent Event [Member]
Proceeds, Overdue Accounts Receivable					$ 0
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Primary Customers [Member]
Concentration Risk, Percentage						61.00%			57.00%
Total Receivables [Member] \| Customer Concentration Risk [Member]
Financing Receivable, after Allowance for Credit Loss						$ 85,300	85,300		$ 161,000
Non-US [Member]
Accounts Receivable, after Allowance for Credit Loss, Current						98,100	98,100		152,200
Goldman Sachs & Co. LLC [Member]
Proceeds from Issuance of Common Stock				$ 341,700
Public Offering [Member] \| Goldman Sachs & Co. LLC [Member]
Stock Issued During Period, Shares, New Issues (in shares) \| shares				3,600,000
Shares Issued, Price Per Share (in dollars per share) \| $ / shares				$ 82.6
Over-Allotment Option [Member] \| Goldman Sachs & Co. LLC [Member]
Stock Issued During Period, Shares, New Issues (in shares) \| shares				540,000
Mammoth Pacific [Member] \| Project Subsidiaries [Member]
Subsidiary, Ownership Percentage, Parent	100.00%
Hapoalim 2024 Loan Agreement [Member]
Debt Instrument, Face Amount			$ 75,000
Debt Instrument Number of Quarterly Payments			32
Debt Instrument, Periodic Payment, Principal			$ 2,300
Debt Instrument, Term (Year)			8 years
Debt Instrument, Interest Rate, Stated Percentage			6.60%
Hapoalim 2024 Loan Agreement [Member] \| Maximum [Member]
Debt Instrument, Covenant, Debt to Adjusted EBITDA Ratio			6.00%
Debt Instrument, Covenant, Minimum Equity Capital, Amount			$ 750,000
Debt Instrument, Covenant, Equity Capital to Total Assets, Percent			25.00%
HSBC 2024 Loan Agreement [Member]
Debt Instrument, Face Amount			$ 125,000
Debt Instrument, Periodic Payment, Principal			$ 12,500
Debt Instrument, Term (Year)			4 years
Debt Instrument, Number of Semi-annual Payments			7
Debt Instrument, Periodic Payment Terms, Final Princiapl Payment to be Paid			$ 37,500
Debt Instrument, Basis Spread on Variable Rate			2.25%
HSBC 2024 Loan Agreement [Member] \| Interest Rate Swap [Member]
Derivative, Basis Spread on Variable Rate			3.90%
HSBC 2024 Loan Agreement [Member] \| Maximum [Member]
Debt Instrument, Covenant, Debt to Adjusted EBITDA Ratio			6.00%
Debt Instrument, Covenant, Minimum Equity Capital, Amount			$ 750,000
Debt Instrument, Covenant, Equity Capital to Total Assets, Percent			25.00%
Mammoth Senior Secured Notes [Member] \| Mammoth Pacific [Member]
Debt Instrument, Face Amount	$ 135,100
Debt Instrument, Interest Rate, Stated Percentage	6.73%
Debt Instrument, Number of Semi-annual Payments	46
Debt Instrument, Basis Spread on Variable Rate	1.25%
Debt Instrument, Floating Rate Notes to be Issued	$ 9,000
Debt Instrument, Commitment Fee, Percentage	0.50%
Purchase Agreement With Enel Green Power North America [Member]
Payments to Acquire Businesses, Gross		$ 274,600
Business Acquisition, Percentage of Voting Interests Acquired		100.00%
Purchase Agreement With Enel Green Power North America [Member] \| Electricity Segment [Member]
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual							9,400
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual							$ 3,300
Purchase Agreement With Enel Green Power North America [Member] \| General and Administrative Expense [Member]
Business Combination, Acquisition Related Costs						$ 1,300			$ 1,100