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Benefit Plans - Schedule Of Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total   $ 4,756
Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total $ 5,334 4,756
Fair Value Recurring [Member] | Corporate / government bonds [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 2,354 982
Defined Benefit Plan, Equity Securities [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 789 1,562
Mutual funds [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 2,171 2,202
Cash and cash equivalents [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 20 10
Level 1 [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 2,960 3,584
Level 1 [Member] | Fair Value Recurring [Member] | Corporate / government bonds [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 0 0
Level 1 [Member] | Defined Benefit Plan, Equity Securities [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 789 1,562
Level 1 [Member] | Mutual funds [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 2,171 2,022
Level 1 [Member] | Cash and cash equivalents [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 0 0
Level 2 [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 2,374 992
Level 2 [Member] | Fair Value Recurring [Member] | Corporate / government bonds [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 2,354 982
Level 2 [Member] | Defined Benefit Plan, Equity Securities [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 0 0
Level 2 [Member] | Mutual funds [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 0 0
Level 2 [Member] | Cash and cash equivalents [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 20 10
Level 3 [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 0 0
Level 3 [Member] | Fair Value Recurring [Member] | Corporate / government bonds [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 0 0
Level 3 [Member] | Defined Benefit Plan, Equity Securities [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 0 0
Level 3 [Member] | Mutual funds [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total 0 0
Level 3 [Member] | Cash and cash equivalents [Member] | Fair Value Recurring [Member]    
Defined Benefit Plan, Plan Assets Reconciliation at Fair Value measurement hierarchy [Line Items]    
Total $ 0 $ 0