EMPLOYEE BENEFIT PLANS Narrative 2 (Details) - Pension Plan [Member] - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.84%	3.34%	4.40%
Fair value of plan assets	$ 182,727	$ 159,036	$ 126,949
Accumulated benefit obligation for the Pension Plans	181,263	164,183
Excess Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Accumulated benefit obligation for the Pension Plans	$ 3,800	$ 3,700

Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

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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.

+ References

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