Reporting Segments and Related Information - Revenue Components of Farming Segments (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Revenue from External Customer [Line Items]
Total expenses	$ 12,076	$ 11,694
Operating results	(1,527)	(657)
Farming
Revenue from External Customer [Line Items]
Total revenues	952	815
Total expenses	1,702	1,598
Operating results	$ (750)	$ (783)

Total costs of sales and operating expenses for the period.

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