Pension (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Pension [Abstract]
Expected pension expense	$ 420
Pension Contributions		$ 1,000
Pension expense	$ 120	$ 125	$ 500

No definition available.

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- Definition

Amount of contributions received and expected to be received by defined benefit plan from employer in current fiscal year.

+ References

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- Definition

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

+ References

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-Publisher FASB
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- Definition

Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit.

+ References

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