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Employee Benefit Plans - Defined Benefit Plans Located within Balance Sheets (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | $ 438,200 | $ 403,500
Benefit obligation | 524,300 | 558,400
Pension Plan |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 411,100 | 378,900
Benefit obligation | 437,500 | 470,100
Pension Plan | Other assets, net |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 73,990 | 58,410
Pension Plan | Other current liabilities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Benefit obligation | 19,788 | 19,432
Pension Plan | Other liabilities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Benefit obligation | $ 69,478 | $ 135,440

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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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