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Accumulated Other Comprehensive Loss Parenthetical (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |
Other comprehensive income, reclassification adjustment from AOCI, pension plans, tax | $ (2) | $ 870

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- Definition Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. + References No definition available. + Details
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