Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE AND DIRECTOR BENEFITS (Additional Information) (Detail)

v2.4.0.8
EMPLOYEE AND DIRECTOR BENEFITS (Additional Information) (Detail) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share based compensation $ 322,000 $ 262,000 $ 581,000 $ 522,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 8.03 $ 6.43
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized 1,620,000   1,620,000  
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition     1 year 8 months 12 days  
Restricted Stock [Member]
        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 1,424,000   $ 1,424,000  
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition     3 years 8 months 12 days  
Share issued during the period     12,000  
Plan 2005 [Member]
        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Shares available for grant 1,025,000   1,025,000  
Plan 2009 [Member]
        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Shares available for grant 425,000   425,000  
Non Plan Stock Option [Member]
        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Shares available for grant 55,000   55,000  
Non Plan Stock Option [Member] | Minimum [Member]
        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share Price $ 15.00   $ 15.00  
Non Plan Stock Option [Member] | Maximum [Member]
        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share Price $ 20.00   $ 20.00  
Stock Warrants [Member]
        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Warrants outstanding 79,000   79,000  
Warrants expire during the period     64,000  
Warrants exercise price 25   25  
Warrants exercisable number 15,000   15,000