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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

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- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 4: 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=123450688&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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