7. TROUBLED DEBT RESTRUCTURINGS (Detail) - (Table 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 Loans	Mar. 31, 2012 Loans
Commercial Loan [Member]
Troubled debt restructurings:
Number of Loans		1
Pre-Modification Outstanding Recorded Investment		$ 47
Post-Modification Outstanding Recorded Investment		47
Commercial Real Estate [Member]
Troubled debt restructurings:
Number of Loans	1	2
Pre-Modification Outstanding Recorded Investment	438	2,210
Post-Modification Outstanding Recorded Investment	438	2,210
Real Estate Multi-family [Member]
Troubled debt restructurings:
Number of Loans		1
Pre-Modification Outstanding Recorded Investment		265
Post-Modification Outstanding Recorded Investment		265
Total [ Member]
Troubled debt restructurings:
Number of Loans	1	10
Pre-Modification Outstanding Recorded Investment	438	3,884
Post-Modification Outstanding Recorded Investment	438	3,771
Residential Real Estate [Member]
Troubled debt restructurings:
Number of Loans		3
Pre-Modification Outstanding Recorded Investment		921
Post-Modification Outstanding Recorded Investment		808
Agriculture [Member]
Troubled debt restructurings:
Number of Loans		1
Pre-Modification Outstanding Recorded Investment		410
Post-Modification Outstanding Recorded Investment		410
Consumer Loan [Member]
Troubled debt restructurings:
Number of Loans		2
Pre-Modification Outstanding Recorded Investment		31
Post-Modification Outstanding Recorded Investment		$ 31