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Pension Benefit (Details) - Pension Plans, Defined Benefit [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
COMPONENTS OF NET PERIODIC BENEFIT COST:
Service cost	$ 374	$ 409
Interest cost	402	303
Expected return on plan assets	(762)	(711)
Recognized net actuarial loss	366	386
Net periodic pension cost	$ 380	$ 387

X

- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.

+ References

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Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

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Amount of net periodic benefit cost (credit) for defined benefit plan.

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Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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