Real Estate (Narrative) (Details) - USD ($)	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Debt Instrument [Line Items]
Accumulated depreciation and amortization on properties	$ 55,515,000		$ 46,250,000
Real estate depreciation expense	8,931,000	$ 10,784,000
Lease future minimum payments 2019	32,963,388
Lease future minimum payments 2020	66,249,918
Lease future minimum payments 2021	68,157,589
Lease future minimum payments 2022	71,308,839
Lease future minimum payments 2023	64,897,648
Lease future minimum payments 2024	62,673,400
Lease future minimum payments there after	$ 666,203,503
Secured Debt
Debt Instrument [Line Items]
Fae value of debt			$ 101,750,000,000
Interest rate, percent			4.21%

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

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

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