6. IMPAIRED AND NONPERFORMING LOANS AND LEASES AND OTHER REAL ESTATE OWNED (Detail) - (Table 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Commercial Loan [Member]
Impaired Financing Receivable Average Recorded Investment	$ 3,193	$ 5,704	$ 2,703	$ 5,403
Commercial Real Estate [Member]
Impaired Financing Receivable Average Recorded Investment	15,872	21,377	15,846	21,451
Real Estate Multi-family [Member]
Impaired Financing Receivable Average Recorded Investment	1,356	1,781	1,484	1,665
Construction Loans [Member]
Impaired Financing Receivable Average Recorded Investment	925	4,726	1,356	4,712
Residential Real Estate [Member]
Impaired Financing Receivable Average Recorded Investment	1,475	4,163	1,407	4,329
Agriculture [Member]
Impaired Financing Receivable Average Recorded Investment	494	507	493	525
Consumer Loan [Member]
Impaired Financing Receivable Average Recorded Investment	408	442	604	405
Total [ Member]
Impaired Financing Receivable Average Recorded Investment	$ 23,723	$ 38,700	$ 23,893	$ 38,490