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INCOME TAXES - Components of Income Tax Expenses (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Current year provision (benefit):        
Federal $ 238 $ 56 $ 126 $ 41
State (1) 4 (3) 8
Current income tax expense (benefit) 237 60 123 49
Deferred tax expense        
Federal 10 257 732 977
State 5 4 11 10
Deferred tax expense (benefit) 15 261 743 987
Net income tax expense $ 252 $ 321 $ 866 $ 1,036