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Inventories (Tables)
 12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Components of inventories
Inventories consisted of the following at December 31:
($ in thousands)
 
2018
 
2017
Farming inventories
 
$
2,269

 
$
2,012

Other
 
349

 
457

 
 
$
2,618

 
$
2,469