Class of Warrant or Right, Issued

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Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Remeasurement Adjustment

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Number of Battery Energy Storage System Projects Held For Sale

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as noncurrent.

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Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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

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FAIR VALUE MEASUREMENTS - Narrative (Details) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
	Jan. 01, 2026 USD ($)	Jun. 30, 2026 USD ($) project	Mar. 31, 2026 USD ($) project	Jun. 30, 2026 USD ($) project	Jun. 30, 2025 USD ($) $ / shares shares	Dec. 31, 2025 USD ($)	Apr. 03, 2023	Nov. 22, 2021
Debt Instrument [Line Items]
Transfers into or out of Level 3				$ 0	$ 0
Impairment carrying value of the assets		$ 33,990		33,990		$ 43,925
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Logan Energy Storage ULC
Debt Instrument [Line Items]
Disposal group, not discontinued operation, gain (loss) on disposal		400	$ (3,300)
Remeasurement adjustment to impairment of assets held for sale		100
Impairment carrying value of the assets		$ 1,200	$ 1,400	$ 1,200
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Logan Energy Storage ULC \| Logan Energy Storage ULC
Debt Instrument [Line Items]
Number of battery energy storage system projects held for sale \| project		3	4	3
2030 Private Placement Warrants
Debt Instrument [Line Items]
Class of warrant or right issued (in shares) \| shares					439,919
Number of shares called from each warrant (in shares) \| shares					1
Exercise price (in dollars per share) \| $ / shares					$ 30.00
2030 Senior Secured Notes
Debt Instrument [Line Items]
Paid-in-kind interest	$ 4,600			$ 4,600
Convertible Notes \| 2028 Convertible Notes
Debt Instrument [Line Items]
Fixed interest rate, annual		0.50%		0.50%		0.50%		0.50%
Convertible Notes \| 2030 Convertible Notes
Debt Instrument [Line Items]
Fixed interest rate, annual		4.25%		4.25%		4.25%	4.25%
Convertible Notes \| Level 2 \| 2028 Convertible Notes
Debt Instrument [Line Items]
Convertible debt		$ 30,700		$ 30,700		$ 26,300
Convertible Notes \| Level 2 \| 2030 Convertible Notes
Debt Instrument [Line Items]
Convertible debt		46,300		46,300		42,000
Secured Debt \| Level 3 \| 2030 Senior Secured Notes
Debt Instrument [Line Items]
Debt instrument, fair value		$ 145,800		$ 145,800		$ 140,600