Investment and Mortgage-Backed Securities, Available for Sale (Schedule of Available for Sale Securities) (Details) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost of Investment And Mortgage-Backed Securities Available For Sale	$ 432,951,620	$ 430,241,854
Available-for-sale Securities, Gross Unrealized Gains	8,694,272	8,193,931
Available-for-sale Securities, Gross Unrealized Losses	5,200,845	7,432,333
Available-for-sale Securities, Fair Value Disclosure	436,445,047	431,003,452
FHLB Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost of Investment And Mortgage-Backed Securities Available For Sale	13,403,194	13,538,723
Available-for-sale Securities, Gross Unrealized Gains	23,825	25,695
Available-for-sale Securities, Gross Unrealized Losses	656,960	893,968
Available-for-sale Securities, Fair Value Disclosure		12,670,450
US Treasury and Government [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost of Investment And Mortgage-Backed Securities Available For Sale	5,750,000	5,750,000
Available-for-sale Securities, Gross Unrealized Gains	0	0
Available-for-sale Securities, Gross Unrealized Losses	275,010	383,820
Available-for-sale Securities, Fair Value Disclosure	5,474,990	5,366,180
US Government-sponsored Enterprises Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost of Investment And Mortgage-Backed Securities Available For Sale	1,994,888	1,993,473
Available-for-sale Securities, Gross Unrealized Gains	0	0
Available-for-sale Securities, Gross Unrealized Losses	4,718	18,543
Available-for-sale Securities, Fair Value Disclosure	1,990,170	1,974,930
SBA Bonds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost of Investment And Mortgage-Backed Securities Available For Sale	95,294,537	99,228,708
Available-for-sale Securities, Gross Unrealized Gains	1,795,194	1,914,720
Available-for-sale Securities, Gross Unrealized Losses	270,243	319,443
Available-for-sale Securities, Fair Value Disclosure		100,823,985
Tax Exempt Municipal Bonds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost of Investment And Mortgage-Backed Securities Available For Sale	61,653,704	63,590,959
Available-for-sale Securities, Gross Unrealized Gains	935,280	410,151
Available-for-sale Securities, Gross Unrealized Losses	1,502,605	2,685,988
Available-for-sale Securities, Fair Value Disclosure		61,315,122
Mortgage-Backed Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost of Investment And Mortgage-Backed Securities Available For Sale	254,597,359	245,882,053
Available-for-sale Securities, Gross Unrealized Gains	5,939,411	5,843,365
Available-for-sale Securities, Gross Unrealized Losses	2,491,309	3,128,883
Available-for-sale Securities, Fair Value Disclosure		248,596,535
Equity Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost of Investment And Mortgage-Backed Securities Available For Sale	257,938	257,938
Available-for-sale Securities, Gross Unrealized Gains	562	0
Available-for-sale Securities, Gross Unrealized Losses	0	1,688
Available-for-sale Securities, Fair Value Disclosure		$ 256,250