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OTHER INCOME AND OTHER EXPENSE (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Other Nonoperating Income (Expense) | $ 5,220 | $ 2,572 | $ 3,123 | $ 3,090
Net periodic credit (cost) other than service cost |  |  |  |
Other Nonoperating Income (Expense) | (972) | 356 | (2,125) | 688
Gain (loss) on investments associated with nonqualified deferred compensation plans |  |  |  |
Other Nonoperating Income (Expense) | 3,739 | 2,062 | 3,001 | 2,209
Unrealized gain (loss) on marketable equity securities |  |  |  |
Other Nonoperating Income (Expense) | 372 | 184 | 250 | 184
Credit due to change in federal tax regulation for securitization |  |  |  |
Other Nonoperating Income (Expense) | 2,390 | 0 | 2,390 | 0
Other, net |  |  |  |
Other Nonoperating Income (Expense) | $ (309) | $ (30) | $ (393) | $ 9

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