DISCONTINUED AGRIBUSINESS OPERATIONS - Narrative (Details) $ in Thousands		3 Months Ended	12 Months Ended			17 Months Ended
	Jul. 31, 2015 USD ($) account	Jun. 30, 2015 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2016 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross selling price	$ 105,300			$ 105,300
Selling price	127,000
Working capital adjustment	20,900
Debt	80,900
Selling and other related costs	5,900
Net proceeds	18,400					$ 16,400
Escrow deposit	$ 10,200
Number of escrow accounts | account	2
Impairment loss on classification of assets as held-for-sale, net of tax		$ 16,900	$ 1,856	$ 18,729
Indemnification Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Escrow deposit	$ 6,000
Period for release of escrow	18 months
Period of guarantee	5 years
Performance Guarantee
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Escrow deposit	$ 4,200
Performance Guarantee, Waste Water
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Escrow deposit	1,800
Performance Guarantee, Air Quality
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Escrow deposit	2,400
Maximum | Indemnification Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnification claims guaranteed in excess of escrow	$ 8,000