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Employee Benefit Plans (Benefits Plans with Accumulated Benefit Obligations in Excess of Plan Assets) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Amounts applicable to the Company's defined benefit plans with accumulated benefit obligations in excess of plan assets |  |
Projected benefit obligation | $ 1,884 | $ 3,088
Accumulated benefit obligation | $ 1,884 | $ 3,088

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