Pension and Other Benefits (Details) - Schedule of Changes in Fair Value of Plan Assets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	$ 15,868	$ 14,616
Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	15,868	14,616
Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	406	1,171
Cash [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	406	1,171
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 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Us Companies [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	8,737	6,896
Us Companies [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	8,737	6,896
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 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
International Companies [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	1,031	1,023
International Companies [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	1,031	1,023
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 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Debt And Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	5,522	5,355
Debt And Fixed Income Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	5,522	5,355
Commodity funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	115	115
Commodity funds [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	115	115
Commodity funds [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets
Real Estate Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	57	56
Real Estate Fund [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets	57	56
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 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets