| INCOME TAXES - Schedule of Components of Income Tax Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | |
|---|---|---|
| Mar. 31, 2017 | Mar. 31, 2016 | |
| Current Taxes: | ||
| Federal | $ 11,573 | $ 6,541 | 
| State | 1,624 | 1,375 | 
| Total | $ 13,197 | $ 7,916 | 
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- References No definition available. 
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- Definition Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of state and local current and deferred income tax expense (benefit) attributable to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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