OTHER DEFERRED CREDITS AND OTHER LIABILITIES - Narrative (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Mar. 31, 2026 |
Dec. 31, 2025 |
|
| Deferred credits and other liabilities | |||
| Transmission easements | $ 14,976 | $ 15,373 | |
| Transmission Right of Way Easements | |||
| Deferred credits and other liabilities | |||
| Total due for easement right of way | $ 21,400 | ||
| Transmission easements | $ 15,000 | $ 15,400 |