Pension and Other Benefits (Details) - Schedule of Allocation of Plan Assets	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Equity Securities
Target Allocation	100.00%	100.00%
% of Plan Assets	100.00%	100.00%
Weighted Average Expected Long-Term Rate of Return	5.50%	5.50%
Domestic Equity Securities [Member]
Equity Securities
Target Allocation	50.00%	50.00%
% of Plan Assets	53.00%	41.00%
Weighted Average Expected Long-Term Rate of Return	3.40%	3.40%
International Equity Securities [Member]
Equity Securities
Target Allocation	10.00%	10.00%
% of Plan Assets	7.00%	8.00%
Weighted Average Expected Long-Term Rate of Return	0.70%	0.70%
Debt And Fixed Income Securities [Member]
Equity Securities
Target Allocation	36.00%	36.00%
% of Plan Assets	36.00%	49.00%
Weighted Average Expected Long-Term Rate of Return	1.20%	1.20%
Cash And Other Alternative Investments [Member]
Equity Securities
Target Allocation	4.00%	4.00%
% of Plan Assets	4.00%	2.00%
Weighted Average Expected Long-Term Rate of Return	0.20%	2.00%

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- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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