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Benefit Plans - Projected Benefit Obligation (Details) - Defined Benefit Pension Plans - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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United States |  |  |
Defined Benefit Plan Disclosure |  |  |
Projected benefit obligation | $ 86,465 | $ 91,937 | $ 82,726
Defined Benefit Plan, Funded (Unfunded) Status of Plan |  |  |
Projected benefit obligation | 86,465 | 91,937 |
Plan assets | 82,914 | 80,395 |
Foreign |  |  |
Defined Benefit Plan Disclosure |  |  |
Projected benefit obligation | 0 | 22,210 | $ 19,673
Defined Benefit Plan, Funded (Unfunded) Status of Plan |  |  |
Projected benefit obligation | 0 | 0 |
Plan assets | $ 0 | $ 0 |

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- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + 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 (a) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Amount of plan asset for defined benefit pension plan with projected benefit obligation in excess of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2417-114920 Reference 2: 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 + Details
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