BUSINESS SEGMENTS (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Year Ended December 31, 2019	Potash		Trio®			Oilfield Solutions		Other			Consolidated
Sales1	$	124,648	$	69,551		$	27,894	$	(2,018	)	$	220,075
Less: Freight costs	18,715		20,514			936		(109		)	40,056
Warehousing and handling costs	4,745		3,876			—		—			8,621
Cost of goods sold	73,401		42,251			12,367		(1,909		)	126,110
Lower of cost or NRV inventory adjustments	—		1,810			—		—			1,810
Gross Margin	$	27,787	$	1,100		$	14,591	$	—		$	43,478
Depreciation, depletion, and amortization2 incurred	$	25,796	$	6,163		$	1,566	$	810		$	34,335
Year Ended December 31, 2018	Potash		Trio®			Oilfield Solutions		Other			Consolidated
Sales1	$	124,058	$	66,808		$	17,404	$	—		$	208,270
Less: Freight costs	17,682		19,370			—		—			37,052
Warehousing and handling costs	5,046		4,225			10		—			9,281
Cost of goods sold	72,322		45,284			4,349		—			121,955
Lower of cost or NRV inventory adjustments	—		1,711			—		—			1,711
Gross Margin (Deficit)	$	29,008	$	(3,782	)	$	13,045	$	—		$	38,271
Depreciation, depletion, and amortization incurred2	$	25,134	$	6,343		$	343	$	395		$	32,215
Year Ended December 31, 2017	Potash		Trio®			Oilfield Solutions		Other			Consolidated
Sales1	$	107,917	$	63,686		$	6,312	$	—		$	177,915
Less: Freight costs	13,912		18,104			—		—			32,016
Warehousing and handling costs	5,556		4,114			—		—			9,670
Cost of goods sold	72,229		45,187			546		—			117,962
Lower of cost or NRV inventory adjustments	550		5,829			—		—			6,379
Gross (Deficit) Margin	$	15,670	$	(9,548	)	$	5,766	$	—		$	11,888
Depreciation, depletion, and amortization incurred2	$	26,485	$	6,576		$	19	$	129		$	33,209

¹ Segment sales include the sales of byproducts generated during the production of potash and Trio^®.

² Depreciation, depletion, and amortization incurred for potash and Trio^® excludes depreciation, depletion, and amortization absorbed in or (relieved from) inventory.