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Segment Information-Acquisitions (Details)
$ in Millions
1 Months Ended 6 Months Ended
Feb. 23, 2019
USD ($)
Jun. 29, 2019
USD ($)
segment
Segment Information    
Number of reportable segments | segment   6
Power barge | Minimum    
Segment Information    
Project cost   $ 160
Ethanol plant | Pork    
Acquisition    
Asset purchase $ 40