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EMPLOYEE BENEFIT PLANS - Pre-tax amounts recognized in other comprehensive income (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
EMPLOYEE BENEFIT PLANS |  |  |
Settlement loss |  | $ 600,000 |
Retirement Income Plan |  |  |
EMPLOYEE BENEFIT PLANS |  |  |
Net loss (gain) | $ 879,000 | (154,000) | $ 300,000
Amortization of net loss | (73,000) | (98,000) | (87,000)
Net transition obligation (asset) | 0 | 0 | 0
Settlement loss | 0 | (647,000) | 0
Amount recognized in accumulated other comprehensive (loss) income | $ 806,000 | $ (899,000) | $ 213,000

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