6. IMPAIRED AND NONPERFORMING LOANS AND LEASES AND OTHER REAL ESTATE OWNED (Detail) - (Table 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Nonaccrual loans and leases that are current to terms (less than 30 days past due)	$ 1,770	$ 1,514
Nonaccrual loans and leases that are past due	3,041	3,960
Other real estate owned	8,946	12,237
Total nonperforming assets	$ 13,757	$ 17,111
Nonperforming loans and leases to total loans and leases	1.91%	2.12%
Total nonperforming assets to total assets	2.34%	2.79%