Pension and Other Benefits (Details) - Schedule of Changes in Fair Value of Plan Assets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	$ 13,023	$ 12,609
Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	13,023	12,609
Real Estate Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	55	64
Real Estate Fund [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Real Estate Fund [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Real Estate Fund [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	55	64
Debt And Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	4,651	6,139
Debt And Fixed Income Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Debt And Fixed Income Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Debt And Fixed Income Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	4,651	6,139
International Companies [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	901	1,056
International Companies [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
International Companies [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
International Companies [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	901	1,056
Us Companies [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	6,957	5,175
Us Companies [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Us Companies [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Us Companies [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	6,957	5,175
Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	298	175
Cash [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Cash [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Cash [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	298	$ 175
Commodity funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	161
Commodity funds [Member] | Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Commodity funds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Commodity funds [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	$ 161