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Inventories (Tables)
 12 Months Ended
Dec. 31, 2016
Inventory Disclosure [Abstract]  
Components of inventories
Inventories consist of the following at December 31:
($ in thousands)
 
2016
 
2015
Farming inventories
 
$
2,709

 
$
3,248

Other
 
375

 
269

 
 
$
3,084

 
$
3,517