Correction of Prior Period Errors - Narrative (Details) $ in Thousands	3 Months Ended								6 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) error	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 01, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Additional paid-in capital	$ 552,776	$ 557,716	$ 562,072	$ 561,298	$ 560,890				$ 562,072	$ 557,716	$ 552,776	$ 560,890
Income taxes expense (benefit)		33,214	630	(3,831)					(3,201)	30,013	31,376	(24,500)	$ 1,840
Impairment on investments					10,000							10,000
Deferred income taxes		24,700			(2,300)						29,251	(28,988)	1,154
Net loss	(2,663)	(29,738)	(16,751)	(3,814)	(22,218)	$ 3,011	$ (22,361)	$ (12,585)	(20,565)	(50,303)	(52,966)	(54,153)	$ (30,240)
Deferred income tax liabilities	37,834	35,577	4,320	7,799	9,217				4,320	35,577	37,834	9,217
Valuation allowance	55,996				19,587						55,996	19,587
Accumulated deficit	$ (244,836)	(241,710)	(212,466)	(195,912)	(192,264)				(212,466)	(241,710)	$ (244,836)	(192,264)
Error In Calculation Of Pre-Tax Loss Attributable To U.S. Entity And Error Related To Impairment Charge On Equity Investment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Number of errors identified | error											2
Error In Calculation Of Pre-Tax Loss Attributable To U.S. Entity
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Number of errors identified | error											2
Valuation allowance		7,400								7,400
Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Additional paid-in capital		(1,321)	(512)	(185)	(116)				(512)	(1,321)		(116)
Income taxes expense (benefit)		7,357	0	0					0	7,357		7,357
Deferred income taxes												(7,357)
Net loss		(7,357)	0	0					0	(7,357)		7,357
Deferred income tax liabilities		0	(7,357)	(7,357)	(7,357)				(7,357)	0		(7,357)
Accumulated deficit		0	7,357	7,357	7,357				7,357	0		7,357
Adjustment | Error Correction Related To Tecnidex Acquisition
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Additional paid-in capital		(800)	(300)	(100)	(100)				(300)	(800)		(100)
Adjustment | Error In Calculation Of Pre-Tax Loss Attributable To U.S. Entity And Error Related To Impairment Charge On Equity Investment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss												7,400
Deferred income tax liabilities					(7,400)							(7,400)
Accumulated deficit					7,400							$ 7,400
Adjustment | Error In Calculation Of Pre-Tax Loss Attributable To U.S. Entity
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Income taxes expense (benefit)		7,400			$ (9,700)					7,400
Net loss		$ (7,400)								$ (7,400)
Deferred income tax liabilities			(7,400)	(7,400)					(7,400)
Accumulated deficit			$ 7,400	$ 7,400					$ 7,400
Tecnidex Fruit Protection, S.A.U. | Option Agreement
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Percentage of voting interests acquired														25.00%
Tecnidex Fruit Protection, S.A.U.
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Percentage of voting interests acquired														75.00%