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FAIR VALUE ACCOUNTING (Details 1) - USD ($) $ in Thousands	3 Months Ended
FAIR VALUE ACCOUNTING (Details 1) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020
Fair Value Disclosures [Abstract]
Fair value of plan assets, beginning	$ 1,881	$ 1,713
Return on plan assets	15	14
Company contributions and benefits paid, net	2	(10)
Effect of rate changes	(98)	(42)
Fair value of plan assets, ending	$ 1,800	$ 1,675

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

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