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LEASES - Information Regarding Operating Leases (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
ROU Asset: |  |
Total | $ 91,112 | $ 58,713
Lease Liability: |  |
Total | 111,684 | 77,461
Short-term lease liability | 25,335 | 4,822
Long-term lease liability | 86,349 | 72,639
Geothermal land leases |  |
ROU Asset: |  |
Total | 48,071 | 45,609
Lease Liability: |  |
Total | $ 67,053 | $ 62,744
Weighted average remaining term | 14 years | 14 years
Weighted average discount rate | 11.40% | 11.40%
Equipment |  |
ROU Asset: |  |
Total | $ 36,612 | $ 6,188
Lease Liability: |  |
Total | $ 36,140 | $ 6,300
Weighted average remaining term | 4 years | 9 years
Weighted average discount rate | 8.30% | 12.00%
Office space |  |
ROU Asset: |  |
Total | $ 6,180 | $ 6,635
Lease Liability: |  |
Total | $ 8,249 | $ 8,144
Weighted average remaining term | 3 years | 3 years
Weighted average discount rate | 8.10% | 8.70%
Vehicles |  |
ROU Asset: |  |
Total | $ 249 | $ 281
Lease Liability: |  |
Total | $ 242 | $ 273
Weighted average remaining term | 2 years | 2 years
Weighted average discount rate | 9.60% | 9.60%

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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 8 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-1 + Details
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