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Pension And Postretirement Benefit Plans (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 USD ($) employee | Mar. 31, 2015 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |
Retired employees receiving health care and life insurance benefits | employee | 9 |
Post retirement benefits, age eligibility requirement | 65 years |
Post retirement benefits, service eligibility requirement | 15 years |
Postretirement Benefits [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Net periodic benefit cost | $ | $ (1) | $ 0

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- Definition Number Of Retired Employees Provided Health Care And Life Insurance + References No definition available. + Details
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- Definition Post retirement benefits, age eligibility requirement + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Details
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