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Debt Financing Narrative Tagging (Details)
1 Months Ended 3 Months Ended
Mar. 31, 2017
USD ($)
Trust
Feb. 28, 2017
USD ($)
Agreement
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Trust
Dec. 31, 2016
USD ($)
Debt Instrument [Line Items]          
Deferred financing costs - net $ 386,548   $ 386,548   $ 456,890
Term A/B Trust [Member]          
Debt Instrument [Line Items]          
Deferred financing costs - net $ 47,000 $ 1,200,000 47,000    
Number of Term Trusts refinanced | Trust 4        
Term A/B Trust [Member] | Farnam Capital Advisors, LLC [Member]          
Debt Instrument [Line Items]          
Consulting fees   $ 921,000 $ 921,000 $ 0  
Mortgage Revenue Bonds [Member]          
Debt Instrument [Line Items]          
Number of paid off and collapsed TOB Trusts | Trust       3  
Mortgage Revenue Bonds [Member] | Term A/B Trust [Member]          
Debt Instrument [Line Items]          
Number of new agreements | Agreement   19