Mortgage-Backed Securities Terms of MBS (Details) - USD ($)		9 Months Ended	12 Months Ended
		Sep. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Available for Sale Securities, not Including Premiums			$ 59,308,398
Trust Portfolio--MBS Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for Sale Securities, not Including Premiums		$ 14,765,000
Standard & Poor's, AAA Rating [Member] | Trust Portfolio--MBS Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt Instrument, Credit Rating	[1]	“AAA”	“AAA”
Available for Sale Securities, not Including Premiums		$ 5,000,000
Debt Instrument, Weighted Average Maturity Date		Jul. 01, 2032
Debt, Weighted Average Interest Rate		4.60%
Standard & Poor's, AA Rating [Member] | Trust Portfolio--MBS Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt Instrument, Credit Rating	[1]	“AA”	“AA”
Available for Sale Securities, not Including Premiums		$ 9,765,000
Debt Instrument, Weighted Average Maturity Date		Jul. 09, 2036
Debt, Weighted Average Interest Rate		4.20%

[1] (1) MBS securities are reported based on the lowest rating issued by a Rating Agency, if more than one rating is issued on the security, on the date presented.