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Real Estate Real Estate (Narrative) (Details) - USD ($)
3 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Real Estate [Abstract]      
Accumulated depreciation and amortization on properties $ 18,600,000   $ 14,996,000
Real estate depreciation expense 3,604,000 $ 3,279,000  
Lease future minimum payments 2017 9,248,244    
Lease future minimum payments 2018 27,797,511    
Lease future minimum payments 2019 29,246,483    
Lease future minimum payments 2020 28,527,541    
Lease future minimum payments 2021 29,145,221    
Lease future minimum payments 2022 28,784,655    
Lease future minimum payments there after $ 466,275,306