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PENSION PLANS. (Details 2) - Postretirement Plan [Member] - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Amounts at the end of the year: |  |
Accumulated/projected benefit obligation | $ 5,274 | $ 5,711
Fair value of plan assets |  |
Funded status, (underfunded)/overfunded | (5,274) | (5,711)
Amounts recognized in the consolidated balance sheets: |  |
Accrued liabilities | (280) | (320)
Other liabilities | (4,994) | (5,391)
Accumulated other comprehensive loss | $ 716 | $ 1,390

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