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Employee Benefit Plans - Schedule of Assumptions Used to Determine Benefit Obligation (Details) | Dec. 31, 2020 | Dec. 31, 2019
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Retirement Benefits [Abstract] |  |
Discount rate | 2.55% | 3.39%

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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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