RELATED PARTY TRANSACTIONS - Leases (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
Jul. 31, 2023 |
Feb. 28, 2022 |
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| Related Party Transaction [Line Items] | ||||
| Right-of-use assets | $ 258,414 | $ 241,974 | ||
| Present value of lease obligations | 303,988 | 289,605 | ||
| KAEC Lease Agreement | Related Party | ||||
| Related Party Transaction [Line Items] | ||||
| Lease initial term | 25 years | |||
| Right-of-use assets | 3,900 | 4,000 | ||
| Present value of lease obligations | 6,600 | 6,500 | ||
| KAFD Lease Agreement | Related Party | ||||
| Related Party Transaction [Line Items] | ||||
| Lease initial term | 6 years | |||
| Right-of-use assets | 1,600 | 1,700 | ||
| Present value of lease obligations | $ 2,500 | $ 2,400 |
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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