Investment and Mortgage-Backed Securities, Available for Sale (Schedule of Held to Maturity Securities, Contractual Maturities) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Investments, Debt and Equity Securities [Abstract]
Available-for-sale Securities, Gross Realized Losses	$ 176,000	$ 101,000	$ 607,000	$ 101,000
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Less Than One Year, Amortized Cost	658,223		658,223
One – Five Years, Amortized Cost	12,750,683		12,750,683
Five – Ten Years, Amortized Cost	65,430,624		65,430,624
After Ten Years, Amortized Cost	96,759,558		96,759,558
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis	421,262,865		421,262,865
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Less Than One Year, Fair Value	668,859		668,859
One – Five Years, Fair Value	12,967,641		12,967,641
Five – Ten Years, Fair Value	66,324,657		66,324,657
After Ten Years, Fair Value	98,799,858		98,799,858
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value	$ 428,819,911		$ 428,819,911