Income Taxes (Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Abstract]
Employee pensions and other benefits	$ 3,289	$ 2,226
State net operating loss carryforward	1,190	1,040
Equity compensation expense	293	563
Intangible assets	932	785
Other	594us-gaap_DeferredTaxAssetsOther	756us-gaap_DeferredTaxAssetsOther
Total deferred income tax assets	6,298us-gaap_DeferredTaxAssetsGross	5,370us-gaap_DeferredTaxAssetsGross
Valuation allowance	(4,247)	(3,163)	(3,198)
Property, plant and equipment	1,962	2,001
Tax amortizable goodwill	723	541
Other	89us-gaap_DeferredTaxLiabilitiesOther	206us-gaap_DeferredTaxLiabilitiesOther
Total deferred income tax liabilities	2,774us-gaap_DeferredIncomeTaxLiabilities	2,748us-gaap_DeferredIncomeTaxLiabilities
Net deferred income tax liabilities	$ (723)us-gaap_DeferredTaxAssetsLiabilitiesNet	$ (541)us-gaap_DeferredTaxAssetsLiabilitiesNet

Amount of deferred tax liability attributable to taxable temporary differences.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Deferred Tax Liability

-URI http://asc.fasb.org/extlink&oid=6510232

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

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-Number 210

-Section 03

-Paragraph 15

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs.

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The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from employee benefit costs not otherwise specified in the taxonomy, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences from goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences not separately disclosed.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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