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INCOME TAXES - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Income Tax Disclosure [Abstract]      
Income tax expense (benefit) $ 13,268,000 $ 9,524,000  
Effective tax rate 40.30% 43.10%  
Valuation allowance $ 0   $ 0
Net deferred tax asset 7,441,000   11,341,000
Unrecognized tax benefits 0   0
Accrued interest or penalties $ 0   $ 0