CONVERTIBLE SENIOR NOTES (Schedule of Convertible Senior Notes) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Liability Abstract
Convertible senior notes, net	$ 331,944		$ 331,561
Notes 2025 [Member]
Liability Abstract
Debt issuance cost	0	$ 405
Notes 2029 [Member]
Liability Abstract
Principal	337,000		337,000
Unamortized issuance costs	(5,056)		(5,439)
Convertible Debt, Current	331,944		$ 331,561
Debt issuance cost	383	383
Contractual interest expense	$ 1,896	$ 1,896

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The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer. The debt is convertible into another form of financial instrument, typically the entity's common stock.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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