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Other Operating Income, Net (Tables)
 12 Months Ended
Dec. 31, 2020
Other Income and Expenses [Abstract]  
Components of Other Income, Net
The components of other income, net consisted of the following for the periods presented (in thousands):
Year Ended
December 31,December 31,December 31,
202020192018
Net earnings (loss) of equity method investments$6,082 $2,454 $(180)
Gain on sale of fixed assets and other1,190 7,331 5,160 
    Total $7,272 $9,785 $4,980