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RETIREMENT BENEFIT PLANS (Scheduled of Funded Status) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation Of Funded Status
Fair value of plan assets	$ 39,914	$ 37,825	$ 30,770
Benefit obligations	65,184	72,869	$ 66,972
Unfunded benefit obligations	$ 25,270	$ 35,044

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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