Low-Income Housing Tax Credits (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2015 Fund	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014 Fund
Investments in Affordable Housing Projects [Abstract]
Affordable Housing Program, Number of Investments	4			3
Amortization Method Qualified Affordable Housing Project Investments	$ 663,249.00			$ 721,999.00
Qualified Affordable Housing Project Investments, Commitment	3,681,001.00			2,682,001.00
Affordable Housing Investment Commitments, Term Expiration Year	2030
Expected Affordable Housing Tax Credits, Amount			328,312.00
Affordable Housing Tax Credits and Other Tax Benefits, Amount	$ 118,420.00	$ 64,778.59