11. EMPLOYEE BENEFITS (Detail) - (Table 2) (USD $)	12 Months Ended
	Dec. 31, 2012
Stock Option Plans	90,393
Stock Option Plans (in Dollars per share)	$ 16.12
1998 Incentive Stock Option Plan
Stock Option Plans	3,250
Stock Option Plans (in Dollars per share)	$ 11.75
Stock Option Plans	4 years 335 days
2000 Incentive Stock Option Plan
Stock Option Plans	24,850
Stock Option Plans (in Dollars per share)	$ 14.54
Stock Option Plans	2 years 149 days
2004 Director Stock Option Plan
Stock Option Plans	60,750
Stock Option Plans (in Dollars per share)	$ 16.51
Stock Option Plans	2 years 69 days
2010 Incentive Stock Option Plan
Stock Option Plans	32,773
Stock Option Plans (in Dollars per share)	$ 11.45
Stock Option Plans	7 years 62 days
Total [Member}
Stock Option Plans	121,623
Stock Option Plans (in Dollars per share)	$ 14.62
Stock Option Plans	3 years 233 days