6. IMPAIRED AND NONPERFORMING LOANS AND LEASES AND OTHER REAL ESTATE OWNED (Detail) (USD $)	3 Months Ended			6 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Financing Receivable Recorded Investment Nonperforming	$ 5,364,000			$ 5,364,000		$ 5,474,000
Impaired Financing Receivable, Recorded Investment	5,288,000			5,288,000
Loan and Leases Receivable, Performing loan and leases	15,315,000			15,315,000
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	109,000		200,000	168,000	472,000
Other Real Estate, Foreclosed Assets, and Repossessed Assets	8,120,000			8,120,000		12,237,000
Other Real Estate		432,000
Cost of Real Estate Sales	805,000	3,743,000
Gains (Losses) on Sales of Other Real Estate	22,000	(93,000)		(208,000)	(373,000)
Payments to Acquire Other Real Estate				187,000
OREO expense				137,000
Total [Member]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	9,259,000			9,259,000		12,430,000
Total [ Member]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	11,344,000			11,344,000		14,123,000
Impaired Financing Receivable, Related Allowance	1,495,000			1,495,000		1,595,000
Total [ Member]
Impaired Financing Receivable, Recorded Investment	20,603,000			20,603,000		26,553,000
Impaired Financing Receivable, Related Allowance	1,495,000			1,495,000		1,595,000
Commercial Real Estate [Member]
Other Real Estate	689,000			689,000
Commercial Land Properties [Member]
Other Real Estate	3,896,000			3,896,000
Residential Land Properties [Member]
Other Real Estate	3,265,000			3,265,000
Residential Real Estate [Member]
Other Real Estate	$ 270,000			$ 270,000