Mortgage-Backed Securities Narrative Tagging (Details)	9 Months Ended
	Sep. 30, 2015 USD ($) Integer	Dec. 31, 2014 USD ($)
Tolerable Range of Difference in Valuation	0.00%
Adverse change rate	10.00%
Unrealized Loss	$ (25,958)	$ (19,582)
Available for Sale Securities, not Including Premiums		$ 59,308,398
Effective rate - minimum [Member]
Effective rate	3.40%	4.70%
Effective rate - maximum [Member]
Effective rate	9.50%	8.30%
Trust Portfolio--MBS Bonds [Member]
Adverse change rate	10.00%
Unrealized Loss	$ (308,700)	$ (526,083)
Number of Available for Sale Securities, Mortgage Backed Securities | Integer	3
Available for Sale Securities, not Including Premiums	$ 14,765,000
Trust Portfolio--MBS Bonds [Member] | Effective rate - minimum [Member]
Effective rate	3.80%	3.70%
Trust Portfolio--MBS Bonds [Member] | Effective rate - maximum [Member]
Effective rate	5.30%	5.20%
10% adverse [Member] | Effective rate - minimum [Member]
Effective rate	3.70%
10% adverse [Member] | Effective rate - maximum [Member]
Effective rate	10.50%
10% adverse [Member] | Trust Portfolio--MBS Bonds [Member]
Available-for-sale Securities, Gross Unrealized Loss	$ 790,000
10% adverse [Member] | Trust Portfolio--MBS Bonds [Member] | Effective rate - minimum [Member]
Effective rate	4.20%
10% adverse [Member] | Trust Portfolio--MBS Bonds [Member] | Effective rate - maximum [Member]
Effective rate	5.80%
LIFERS [Member] | Trust Portfolio--MBS Bonds [Member]
Available for Sale Securities, not Including Premiums	$ 2,800,000
SPEARS [Member] | Trust Portfolio--MBS Bonds [Member]
TOB Financing	$ 11,900,000