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PHC Certificates Information Table on Public Housing Capital Fund Trusts (Details) - Public housing capital fund trusts [Member] - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Jul. 31, 2012
Schedule of Available-for-sale Securities [Line Items]      
Weighted Average Interest Rate over Life 5.20%    
Principal Outstanding $ 58,344,872 $ 59,308,398 $ 65,300,000
Standard & Poor's, AA- Rating [Member] | Public Housing Capital Fund Trust I [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Weighted Average Lives (Years) 9 years 3 months 10 years 3 months  
Investment Rating AA- AA-  
Weighted Average Interest Rate over Life 5.33% 5.33%  
Principal Outstanding $ 25,980,780 $ 25,980,780  
Standard & Poor's, A+ Rating [Member] | Public Housing Capital Fund Trust II [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Weighted Average Lives (Years) 8 years 8 months 1 day 9 years 8 months 19 days  
Investment Rating A+ A+  
Weighted Average Interest Rate over Life 4.29% 4.28%  
Principal Outstanding $ 11,465,660 $ 12,429,186  
Standard & Poor's, BBB Rating [Member] | Public Housing Capital Fund Trust III [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Weighted Average Lives (Years) 9 years 9 months 22 days 10 years 9 months 22 days  
Investment Rating BBB BBB  
Weighted Average Interest Rate over Life 5.42% 5.42%  
Principal Outstanding $ 20,898,432 $ 20,898,432