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INCOME TAXES - Components of Income Tax Expenses (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Current year provision (benefit):    
Federal $ (112) $ (15)
State (2) 4
Current income tax expense (benefit) (114) (11)
Deferred tax expense    
Federal 722 720
State 6 6
Deferred tax expense (benefit) 728 726
Net income tax expense $ 614 $ 715