Investment and Mortgage-Backed Securities, Available for Sale (Schedule of Available for Sale Securities) (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Gross Realized Losses	$ 176,000	$ 101,000	$ 607,000	$ 101,000
Available For Sale Securities Pledged as Collateral, Amortized Cost Basis	125,700,000		125,700,000		118,300,000
Available-for-sale Securities Pledged as Collateral, Fair Value	129,100,000		129,100,000		121,100,000
Amortized Cost of Investment And Mortgage-Backed Securities Available For Sale	421,262,865		421,262,865		430,241,854
Available-for-sale Securities, Gross Unrealized Gains			10,017,812		8,193,931
Available-for-sale Securities, Gross Unrealized Losses			2,460,766		7,432,333
Available-for-sale Securities, Fair Value Disclosure	428,819,911		428,819,911		431,003,452
Available-for-sale Securities, Gross Realized Gains	319,000	520,000	795,000	1,300,000
FHLB Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost of Investment And Mortgage-Backed Securities Available For Sale	11,360,428		11,360,428		13,538,723
Available-for-sale Securities, Gross Unrealized Gains			67,439		25,695
Available-for-sale Securities, Gross Unrealized Losses			270,512		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		5,750,000
Available-for-sale Securities, Gross Unrealized Gains			0		0
Available-for-sale Securities, Gross Unrealized Losses			177,026		383,820
Available-for-sale Securities, Fair Value Disclosure	5,572,974		5,572,974		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	996,641		996,641		1,993,473
Available-for-sale Securities, Gross Unrealized Gains			0		0
Available-for-sale Securities, Gross Unrealized Losses			1,143		18,543
Available-for-sale Securities, Fair Value Disclosure	995,498		995,498		1,974,930
SBA Bonds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost of Investment And Mortgage-Backed Securities Available For Sale	93,610,391		93,610,391		99,228,708
Available-for-sale Securities, Gross Unrealized Gains			1,730,343		1,914,720
Available-for-sale Securities, Gross Unrealized Losses			411,445		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	63,623,690		63,623,690		63,590,959
Available-for-sale Securities, Gross Unrealized Gains			2,234,988		410,151
Available-for-sale Securities, Gross Unrealized Losses			46,117		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	245,663,777		245,663,777		245,882,053
Available-for-sale Securities, Gross Unrealized Gains			5,949,642		5,843,365
Available-for-sale Securities, Gross Unrealized Losses			1,554,523		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		257,938
Available-for-sale Securities, Gross Unrealized Gains			35,400		0
Available-for-sale Securities, Gross Unrealized Losses			0		1,688
Available-for-sale Securities, Fair Value Disclosure					$ 256,250