Real Estate (Narrative) (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Real Estate [Abstract]
Accumulated depreciation and amortization on properites	$ 59,832,000	$ 44,340,000
Depreciation	15,033,000	$ 20,644,000
Lease future minimum payments 2019	59,975,701
Lease future minimum payments 2020	62,145,941
Lease future minimum payments 2021	62,734,252
Lease future minimum payments 2022	56,477,620
Lease future minimum payments 2023	54,281,781
Lease future minimum payments thereafter	573,636,251
Non-recourse loan
Debt Instrument [Line Items]
Face value of debt	$ 101,750,000
Interest rate	4.21%

Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Future rental payments receivable within one year of the balance sheet date under an operating lease.

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The cumulative amount of depreciation for real estate property held for investment purposes.

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Amount of depreciation expense of real estate investments for entities with a substantial portion of business acquiring and holding investment real estate.

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