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Pension and Other Benefits (Details) - Schedule of Allocation of Plan Assets | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Equity Securities |  |  |
% of Plan Assets | 100.00% | 100.00% |
Weighted Average Expected Long-Term Rate of Return | 5.50% | 5.50% | 5.50%
Domestic Equity Securities [Member] |  |  |
Equity Securities |  |  |
Target Allocation | 43.00% |  |
% of Plan Assets | 44.00% | 47.00% |
Weighted Average Expected Long-Term Rate of Return | 3.40% |  |
International Equity Securities [Member] |  |  |
Equity Securities |  |  |
Target Allocation | 7.00% |  |
% of Plan Assets | 8.00% | 15.00% |
Weighted Average Expected Long-Term Rate of Return | 0.60% |  |
Debt And Fixed Income Securities [Member] |  |  |
Equity Securities |  |  |
Target Allocation | 49.00% |  |
% of Plan Assets | 47.00% | 36.00% |
Weighted Average Expected Long-Term Rate of Return | 1.50% |  |
Cash And Other Alternative Investments [Member] |  |  |
Equity Securities |  |  |
Target Allocation | 1.00% |  |
% of Plan Assets | 1.00% | 2.00% |
Weighted Average Expected Long-Term Rate of Return | 0.00% |  |

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- Definition An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Expected Long-Term Rate of Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512046 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Target allocation of investments of this type to total plan assets presented on a weighted average basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c)(i) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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