Significant Accounting Policies - Additional Information (Detail) (USD $)	9 Months Ended		12 Months Ended
	Sep. 30, 2013 Quarter	Sep. 30, 2012 Quarter	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2008 Quarter	Dec. 31, 2000 Branch
Significant Accounting Policies [Line Items]
Interest-Bearing Deposits in Banks, maturity period			1 year
Secured borrowings maturity period under repurchase agreements			1 year
Credit card and other personal loans charged off period no later than period			180 days
Number of Quarters	19	6			16
Percentage of excess loan balance for watch category			90.00%
Impaired loans measurement			Impaired loans measured for impairment generally include (1) non-accruing Special mention, Substandard and Doubtful loans in excess of $250,000; (2) Substandard and Doubtful loans in excess of $500,000; (3) Special Mention loans in excess of $500,000 if any of the loans in the relationship are more than 30 days past due or if the borrower has filed for bankruptcy; and (4) all TDRs.
Loan Receivables			$ 105,842,762	$ 98,046,533
Overstatement of income, after tax			215,000
Overstatement of income, pre-tax			325,000
Pre-tax adjusted			34.00%	34.00%
Basic and diluted earnings per share			$ 0.04
Number of branches purchased during the years 1994 through 2000						5
Liabilities for recognized tax benefits			0	0
Deferred tax assets valuation allowance			0
Advertising expense			175,000	127,000
Residential Mortgage
Significant Accounting Policies [Line Items]
Minimum balance in order to assign a risk rating grade			1,000,000
Consumer Loan
Significant Accounting Policies [Line Items]
Minimum balance in order to assign a risk rating grade			250,000
Special Mention
Significant Accounting Policies [Line Items]
Loan Receivables			2,904,073	4,835,215
Loan due days			30 days
Minimum
Significant Accounting Policies [Line Items]
Number of days past due for a loan to remain on accrual status			90 days
Minimum | Non-accruing Special mention, Substandard and Doubtful loans
Significant Accounting Policies [Line Items]
Loan Receivables			250,000
Minimum | Substandard and Doubtful loans
Significant Accounting Policies [Line Items]
Loan Receivables			500,000
Minimum | Special Mention
Significant Accounting Policies [Line Items]
Loan Receivables			$ 500,000
Building | Minimum
Significant Accounting Policies [Line Items]
Estimated useful lives			10 years
Building | Maximum
Significant Accounting Policies [Line Items]
Estimated useful lives			40 years
Furniture and Equipment | Minimum
Significant Accounting Policies [Line Items]
Estimated useful lives			3 years
Furniture and Equipment | Maximum
Significant Accounting Policies [Line Items]
Estimated useful lives			10 years