Trade and Finance Receivables - Finance Receivables (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Grower Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross receivable	$ 32,437	$ 36,089	$ 34,012
Reserve	(31,660)	(32,074)	(32,777)
Net receivable	777	4,015	1,235
Current portion, net	777	4,015	1,235
Long-term portion, net	0	0	0
Seller Financing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross receivable	23,491	25,629	25,327
Reserve	0	0	0
Net receivable	23,491	25,629	25,327
Current portion, net	4,928	4,740	4,148
Long-term portion, net	$ 18,563	$ 20,889	$ 21,179