Benefit Plans (Funded Status of Plan) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Benefit Plans [Abstract]
Projected benefit obligation	$ (6,133)	$ (6,925)	$ (6,695)
Accumulated benefit obligation	(6,133)	(6,925)
Fair value of plan assets	4,457	4,960	$ 4,887
Other liabilities	(1,676)	(1,965)
Funded status	(1,676)	(1,965)
Amounts recognized in accumulated other comprehensive loss consist of: Net loss	1,637	1,849
Total	$ 1,637	$ 1,849

Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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

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Amount, after tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Amount of actuarial present value of benefits attributed to service rendered by employee for 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.

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Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.

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Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans.

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