FAIR VALUE - Recurring and Non-Recurring Basis (Detail) (USD $)	9 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Dec. 31, 2012 Fair Value, Inputs, Level 1	Sep. 30, 2013 Fair Value, Inputs, Level 1	Dec. 31, 2012 Fair Value, Inputs, Level 2	Sep. 30, 2013 Fair Value, Inputs, Level 2	Dec. 31, 2012 Fair Value, Inputs, Level 3	Sep. 30, 2013 Fair Value, Inputs, Level 3	Dec. 31, 2012 Fair Value	Sep. 30, 2013 Fair Value	Sep. 30, 2013 Recurring Fair Value, Inputs, Level 1	Dec. 31, 2012 Recurring Fair Value, Inputs, Level 1	Sep. 30, 2013 Recurring Fair Value, Inputs, Level 2	Dec. 31, 2012 Recurring Fair Value, Inputs, Level 2	Sep. 30, 2013 Recurring Fair Value, Inputs, Level 3	Dec. 31, 2012 Recurring Fair Value, Inputs, Level 3	Sep. 30, 2013 Recurring Fair Value	Dec. 31, 2012 Recurring Fair Value	Sep. 30, 2013 Non-recurring Fair Value, Inputs, Level 1	Dec. 31, 2012 Non-recurring Fair Value, Inputs, Level 1	Sep. 30, 2013 Non-recurring Fair Value, Inputs, Level 2	Dec. 31, 2012 Non-recurring Fair Value, Inputs, Level 2	Sep. 30, 2013 Non-recurring Fair Value, Inputs, Level 3	Dec. 31, 2012 Non-recurring Fair Value, Inputs, Level 3	Sep. 30, 2013 Non-recurring Fair Value	Dec. 31, 2012 Non-recurring Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available for sale, at fair value	$ 88,282,000	$ 100,490,000											$ 88,282,000	$ 100,490,000			$ 88,282,000	$ 100,490,000
Maryland Financial Bank stock																							30,000	30,000	30,000	30,000
Impaired loans																							5,637,000	6,084,000	5,637,000	6,084,000
OREO																					1,013,000	478,000			1,013,000	478,000
Assets, fair value disclosure					100,968,000	89,295,000	6,114,000	5,667,000	107,082,000	94,962,000
Investment securities AFS
Purchases of investment securities					21,110,000				21,110,000
Sales, calls and maturities of investment securities					(26,947,000)				(26,947,000)
Amortization/accretion of premium/discount					(919,000)				(919,000)
Increase in market value					(5,437,000)				(5,437,000)
OTTI on investments	15,000				(15,000)				(15,000)
Loans
New impaired loans							342,000		342,000
Payments and other loan reductions							(283,000)		(283,000)
Change in total provision							314,000		314,000
Loans converted to OREO							(820,000)		(820,000)
OREO
OREO converted from loans					820,000				820,000
Sales of OREO					$ (285,000)				$ (285,000)