Real Estate (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) a item	Dec. 31, 2018 USD ($) item
Farms acquired and allocation of purchase price
Area of real estate property | a	158,500
Number of acquisitions | item	2	6
Aggregate purchase price	$ 3.3	$ 33.8
Consideration paid in cash	1.4
Reduction in notes receivable and related interest through the acquisition of collateralized property.	1.9
Intangible assets acquired	$ 0.0	$ 0.0
Number of dispositions | item	4
Number of farms sold | item	7
Proceeds from sale of real estate	$ 34.1
Gain on sale	$ 7.9