Annual report pursuant to Section 13 and 15(d)

SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION (Details)

v3.10.0.1
SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION (Details) - USD ($)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 37,472,000      
Initial Cost to Company, Land 106,655,063      
Initial Cost to Company, Building & Fixtures 384,778,459      
Cost Capitalized Subsequent to Acquisition, Improvements (6,065,072)      
Gross Amount Carried at Close of Period, Land 106,655,063      
Gross Amount Carried at Close of Period, Building & Fixtures 378,713,387      
Gross Amount Carried at Close of Period, Total 485,368,450 $ 538,112,220 $ 541,478,086 $ 543,095,478
Accumulated Depreciation 87,154,095 $ 72,155,753 $ 52,219,717 $ 33,869,263
Investment in Real Estate, net 398,214,355      
Pinedale LGS        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 37,472,000      
Initial Cost to Company, Land 105,485,063      
Initial Cost to Company, Building & Fixtures 125,119,062      
Cost Capitalized Subsequent to Acquisition, Improvements 0      
Gross Amount Carried at Close of Period, Land 105,485,063      
Gross Amount Carried at Close of Period, Building & Fixtures 125,119,062      
Gross Amount Carried at Close of Period, Total 230,604,125      
Accumulated Depreciation 53,501,538      
Investment in Real Estate, net $ 177,102,587      
Life on which depreciation in latest income statement is computed 26 years      
United Property Systems        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 210,000      
Initial Cost to Company, Building & Fixtures 1,188,000      
Cost Capitalized Subsequent to Acquisition, Improvements 78,621      
Gross Amount Carried at Close of Period, Land 210,000      
Gross Amount Carried at Close of Period, Building & Fixtures 1,266,621      
Gross Amount Carried at Close of Period, Total 1,476,621      
Accumulated Depreciation 138,096      
Investment in Real Estate, net $ 1,338,525      
Life on which depreciation in latest income statement is computed 40 years      
Grand Isle Gathering System        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 960,000      
Initial Cost to Company, Building & Fixtures 258,471,397      
Cost Capitalized Subsequent to Acquisition, Improvements (6,143,693)      
Gross Amount Carried at Close of Period, Land 960,000      
Gross Amount Carried at Close of Period, Building & Fixtures 252,327,704      
Gross Amount Carried at Close of Period, Total 253,287,704      
Accumulated Depreciation 33,514,461      
Investment in Real Estate, net $ 219,773,243      
Life on which depreciation in latest income statement is computed 27 years