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Employee Benefit Plans (Reconciliation Of The Plan's Benefit Obligations, Fair Value Of Assets And The Funded Status) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Employee Benefit Plans [Abstract]
Projected benefit obligation at beginning of period	$ 48,991us-gaap_DefinedBenefitPlanBenefitObligation	$ 53,625us-gaap_DefinedBenefitPlanBenefitObligation
Service cost	1,918us-gaap_DefinedBenefitPlanServiceCost	2,063us-gaap_DefinedBenefitPlanServiceCost	2,037us-gaap_DefinedBenefitPlanServiceCost
Interest cost	2,291us-gaap_DefinedBenefitPlanInterestCost	2,017us-gaap_DefinedBenefitPlanInterestCost	2,017us-gaap_DefinedBenefitPlanInterestCost
Actuarial (gain) loss	10,938us-gaap_DefinedBenefitPlanActuarialGainLoss	(6,393)us-gaap_DefinedBenefitPlanActuarialGainLoss
Benefits paid and plan expenses	(2,406)us-gaap_DefinedBenefitPlanBenefitsPaid	(2,321)us-gaap_DefinedBenefitPlanBenefitsPaid
Projected benefit obligation at end of period	61,732us-gaap_DefinedBenefitPlanBenefitObligation	48,991us-gaap_DefinedBenefitPlanBenefitObligation	53,625us-gaap_DefinedBenefitPlanBenefitObligation
Fair value of plan assets at beginning of period	64,603us-gaap_DefinedBenefitPlanFairValueOfPlanAssets	57,785us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Actual return on plan assets	5,387us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets	9,139us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets
Employer contributions	8,000us-gaap_DefinedBenefitPlanContributionsByEmployer
Fair value of plan assets at end of period	75,584us-gaap_DefinedBenefitPlanFairValueOfPlanAssets	64,603us-gaap_DefinedBenefitPlanFairValueOfPlanAssets	57,785us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Funded status at end of period	$ 13,852us-gaap_DefinedBenefitPlanFundedStatusOfPlan	$ 15,612us-gaap_DefinedBenefitPlanFundedStatusOfPlan

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The difference between fair value of plan assets at the end of the period and the fair value at the beginning of the period, adjusted for contributions and payments of benefits during the period, and after adjusting for taxes and other expenses, as applicable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Actual Return on Plan Assets (Component of Net Periodic Postretirement Benefit Cost)

-URI http://asc.fasb.org/extlink&oid=6504192



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Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan.

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-Publisher FASB

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-Topic 715

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1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date.

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The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets.

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-Publisher FASB

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The increase in the fair value of plan assets from contributions made by the employer.

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Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets.

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The funded status is measured as the difference between the fair value of plan assets and the benefit obligation. Will normally be the same as the net Defined Benefit Plan, Amounts Recognized in Balance Sheet, Total.

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

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