Equity - Distributions (Details) - USD ($)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Schedule of Equity Method Investments
Dividends, Preferred Stock, Stock	$ 3,906	$ 3,906
Terra Fund 5, Terra JV and TIF3
Schedule of Equity Method Investments
Investment Company, Tax Return of Capital Distribution	8,800,000
Proceeds from Equity Method Investment, Distribution, Return of Capital	$ 8,300,000
Terra Fund 5
Schedule of Equity Method Investments
Investment Company, Tax Return of Capital Distribution		7,600,000
Proceeds from Equity Method Investment, Distribution, Return of Capital		$ 3,600,000

Amount of paid and unpaid preferred stock dividends declared with the form of settlement in stock.

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