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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Face (par) amount of the original debt instrument that was repurchased.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The cash inflow from the issuance of a long-term debt 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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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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SIGNIFICANT ACCOUNTING POLICIES - Debt Issuance Costs (Details) - USD ($) $ in Thousands			3 Months Ended	12 Months Ended
	Apr. 01, 2024	Sep. 22, 2020	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Debt instrument, face amount			$ 230,000	$ 230,000
Proceeds from issuance of convertible senior notes, net of issuance costs paid of $6,900		$ 222,700
Gain on debt extinguishment				13,017	$ 0	$ 0
Accretion of debt discount and non-cash interest expense				1,600	1,600	$ 1,600
2025			1,329	1,329
2026			1,122	1,122
2027			1,122	1,122
2028			1,122	1,122
2029			283	283
Total			4,978	4,978
Convertible Debt
Debt Instrument [Line Items]
Debt issuance costs, gross			7,300	7,300
2024 Convertible Senior Notes
Debt Instrument [Line Items]
Accretion of debt discount and non-cash interest expense				838
Debt issuance costs, gross			5,610	5,610	0
Less accumulated amortization			(839)	(839)	0
Debt issuance costs, net			4,771	4,771	0
2020 Convertible Senior Notes
Debt Instrument [Line Items]
Debt instrument, face amount			230,000	230,000
Accretion of debt discount and non-cash interest expense				585	1,461
Debt issuance costs, gross			5,572	5,572	7,275
Less accumulated amortization			(5,365)	(5,365)	(4,779)
Debt issuance costs, net			207	207	2,496
Convertible Senior Notes, Additional Principal Option
Debt Instrument [Line Items]
Debt instrument, face amount		$ 30,000
Lines of Credit
Debt Instrument [Line Items]
Debt issuance costs, gross			1,211	1,211	839
Less accumulated amortization			(990)	(990)	(780)
Debt issuance costs, net			221	221	$ 59
Convertible Debt \| 2020 Convertible Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount			183,900	$ 183,900
Gain on debt extinguishment			13,000
Convertible Debt \| Convertible Senior Notes 2024
Debt Instrument [Line Items]
Debt instrument, face amount	$ 172,500
Proceeds from issuance of convertible senior notes, net of issuance costs paid of $6,900	166,800		$ 169,300
Debt Instrument, Face Amount, Additional Principal Available	$ 22,500