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Employee Benefit Plans Effect of Change in Discount Rate and Expected Return on Plan Assets Table (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 USD ($)
Pension Plans, Defined Benefit [Member] |
Effect of Twenty-Five Basis Point Change in Discount Rate |
Effect of Twenty-Five Basis Point Increase in Discount Rate on Benefit Obligation | $ (1,370)
Effect of Twenty-Five Basis Point Decrease in Discount Rate on Benefit Obligation | 1,420
Effect of Twenty-Five Basis Point Increase in Discount Rate on Expense | (90)
Effect of Twenty-Five Basis Point Decrease in Discount Rate on Expense | 100
Effect of Fifty Basis Point Change in Expected Return on Plan Assets |
Effect of Fifty Basis Point Increase in Expected Return on Plan Assets on Expense | (150)
Effect of Fifty Basis Point Decrease in Expected Return on Plan Assets on Expense | 150
Other Postretirement Benefit Plans, Defined Benefit [Member] |
Effect of Twenty-Five Basis Point Change in Discount Rate |
Effect of Twenty-Five Basis Point Increase in Discount Rate on Benefit Obligation | (10)
Effect of Twenty-Five Basis Point Decrease in Discount Rate on Benefit Obligation | 10
Effect of Twenty-Five Basis Point Increase in Discount Rate on Expense | 0
Effect of Twenty-Five Basis Point Decrease in Discount Rate on Expense | $ 0

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