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INCOME TAXES - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Income Tax Disclosure [Abstract]          
Income tax expense (benefit) $ 18,269,000 $ 11,479,000 $ 31,537,000 $ 21,003,000  
Effective tax rate 40.80% 41.90% 40.60% 42.40%  
Valuation allowance $ 0   $ 0   $ 0
Net deferred tax asset 7,270,000   7,270,000   11,341,000
Unrecognized tax benefits 0   0   0
Accrued interest or penalties $ 0   $ 0   $ 0