Carrying Amounts and Fair Value of Financial Instruments (Summary of the carrying value and estimated fair value of financial instruments) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011
Financial Assets:
Cash And Cash Equivalents	$ 10,380,000	$ 7,904,000
Cash And Cash Equivalents	10,379,990	7,903,950	14,408,177	7,797,544
Certificates of Deposits With Other Banks	1,480,000	1,729,000
Investments	426,846,798	430,988,478
Certificates Of Deposit With Other Banks	1,479,931	1,728,567
Investment And Mortgage-Backed Securities		430,988,000
Loans Receivable, Net	364,923,000	397,706,000
FHLB Stock	4,675,000	6,179,000
Federal Home Loan Bank (FHLB) Stock, At Cost	4,674,700	6,178,700
Financial Liabilities:
Checking, Savings, And Money Market Accounts	406,479,000	383,534,000
Certificate Accounts	262,874,000	292,804,000
Advances From FHLB	78,144,371	105,257,182
Advances From FHLB		105,257,000
Other Borrowed Money		9,317,000
Other Borrowings	9,872,619	9,317,244
Senior Convertible Debentures	6,084,000	6,084,000
Junior Subordinated Debentures	5,155,000	5,155,000
Junior Subordinated Debentures	5,155,000	5,155,000
Senior Convertible Debentures	6,084,000	6,084,000
Netting
Financial Assets:
Cash And Cash Equivalents	10,380,000	7,904,000
Certificates of Deposits With Other Banks	1,480,000	1,729,000
Investment And Mortgage-Backed Securities	426,847,000	434,588,000
Loans Receivable, Net	365,955,000	397,360,000
FHLB Stock	4,675,000	6,179,000
Financial Liabilities:
Checking, Savings, And Money Market Accounts	406,479,000	383,534,000
Certificate Accounts	264,241,000	295,734,000
Advances From FHLB	83,721,000	113,471,000
Other Borrowed Money	9,873,000	9,317,000
Senior Convertible Debentures	6,084,000	6,084,000
Junior Subordinated Debentures	5,155,000	5,155,000
Fair Value, Inputs, Level 1
Financial Assets:
Cash And Cash Equivalents		7,904,000
Cash And Cash Equivalents	10,380,000
Certificates of Deposits With Other Banks	0	0
Investment And Mortgage-Backed Securities	0	0
Loans Receivable, Net	0	0
FHLB Stock		6,179,000
Federal Home Loan Bank (FHLB) Stock, At Cost	4,675,000
Financial Liabilities:
Checking, Savings, And Money Market Accounts	406,479,000	383,534,000
Certificate Accounts	0	0
Advances From FHLB	0	0
Other Borrowed Money		9,317,000
Other Borrowings	9,873,000
Senior Convertible Debentures	0	0
Junior Subordinated Debentures	0	0
Fair Value, Inputs, Level 2
Financial Assets:
Cash And Cash Equivalents	0	0
Certificates of Deposits With Other Banks		1,729,000
Certificates Of Deposit With Other Banks	1,480,000
Investment And Mortgage-Backed Securities	426,847,000	434,588,000
Loans Receivable, Net	0	0
FHLB Stock	0	0
Financial Liabilities:
Checking, Savings, And Money Market Accounts	0	0
Certificate Accounts	264,241,000	295,734,000
Advances From FHLB	83,721,000	113,471,000
Other Borrowed Money	0	0
Senior Convertible Debentures		6,084,000
Junior Subordinated Debentures	6,084,000
Junior Subordinated Debentures		5,155,000
Senior Convertible Debentures	5,155,000
Fair Value, Inputs, Level 3
Financial Assets:
Cash And Cash Equivalents	0	0
Certificates of Deposits With Other Banks	0	0
Investment And Mortgage-Backed Securities	0	0
Loans Receivable, Net	365,955,000	397,360,000
FHLB Stock	0	0
Financial Liabilities:
Checking, Savings, And Money Market Accounts	0	0
Certificate Accounts	0	0
Advances From FHLB	0	0
Other Borrowed Money	0	0
Senior Convertible Debentures	0	0
Junior Subordinated Debentures	$ 0	$ 0