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Pension Plans and Other Post-Retirement Benefits - Schedule of Plan Asset Allocation (Details) | Dec. 31, 2018 | Dec. 31, 2017
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Employee Benefits [Abstract] |  |
Equity investments | 3.00% | 3.00%
Fixed income investments | 76.00% | 86.00%
Real estate investments | 8.00% | 7.00%
Qualifying insurance contract | 9.00% | 0.00%
Other | 4.00% | 4.00%
Total composition of fair value of plan assets | 100.00% | 100.00%

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- Definition Employee Benefits [Abstract] + References No definition available. + Details
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- Definition Equity Instruments, Amount Contributed To Fair Value Of Plan Assets, Allocation Percentage + References No definition available. + Details
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- Definition Fixed Income Instruments, Amount Contributed To Fair Value Of Plan Assets, Allocation Percentage + References No definition available. + Details
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- Definition Other Assets, Amount Contributed To Fair Value Of Plan Assets, Allocation Percentage + References No definition available. + Details
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- Definition Qualifying Insurance Contract, Amount Contributed To Fair Value Of Plan Assets, Allocation Percentage + References No definition available. + Details
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- Definition Real Estate, Amount Contributed To Fair Value Of Plan Assets, Allocation Percentage + References No definition available. + Details
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