8. ALLOWANCE FOR LOAN AND LEASE LOSSES (Detail) - (Table 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Pass [Member] | Finance Leases Portfolio Segment [Member]
Grade:
Loan and leases receivable	$ 1,040	$ 1,506
Pass [Member] | Agriculture Portfolio Segment [Member]
Grade:
Loan and leases receivable	2,729	2,938
Pass [Member] | Consumer Portfolio Segment [Member]
Grade:
Loan and leases receivable	5,907	7,696
Pass [Member] | Total [ Member]
Grade:
Loan and leases receivable	200,386	196,129
Watch [Member] | Consumer Portfolio Segment [Member]
Grade:
Loan and leases receivable	23	251
Watch [Member] | Total [ Member]
Grade:
Loan and leases receivable	20,312	23,819
Special Mention [Member] | Agriculture Portfolio Segment [Member]
Grade:
Loan and leases receivable	394	402
Special Mention [Member] | Consumer Portfolio Segment [Member]
Grade:
Loan and leases receivable	121	153
Special Mention [Member] | Total [ Member]
Grade:
Loan and leases receivable	19,612	19,460
Substandard [Member] | Finance Leases Portfolio Segment [Member]
Grade:
Loan and leases receivable		3
Substandard [Member] | Consumer Portfolio Segment [Member]
Grade:
Loan and leases receivable	125	469
Substandard [Member] | Total [ Member]
Grade:
Loan and leases receivable	14,989	18,031
Doubtful [Member] | Total [ Member]
Grade:
Loan and leases receivable	239	690
Total [ Member] | Finance Leases Portfolio Segment [Member]
Grade:
Loan and leases receivable	1,040	1,509
Total [ Member] | Agriculture Portfolio Segment [Member]
Grade:
Loan and leases receivable	3,123	3,340
Total [ Member] | Consumer Portfolio Segment [Member]
Grade:
Loan and leases receivable	6,176	8,569
Total [ Member] | Total [ Member]
Grade:
Loan and leases receivable	$ 255,538	$ 258,129