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STOCKHOLDERS' EQUITY - Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Thousands
 8 Months Ended 12 Months Ended
Dec. 31, 2014
Dec. 31, 2016
Dec. 31, 2015
Apr. 30, 2014
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance $ (8,537) $ (21,597) $ (12,020) $ 15,451
Other comprehensive income (loss) before reclassifications       (24)
Amounts reclassified from accumulated other comprehensive income (loss)       655
Other comprehensive (loss) income 19 (75) (51) 631
Ending balance (12,020) (24,550) (21,597) (8,537)
Marketable Securities        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 39 7 58 27
Other comprehensive income (loss) before reclassifications       12
Amounts reclassified from accumulated other comprehensive income (loss)       0
Other comprehensive (loss) income 19 (75) (51) 12
Ending balance 58 (68) 7 39
Commodity Hedges        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 0 0 0 (619)
Other comprehensive income (loss) before reclassifications       (36)
Amounts reclassified from accumulated other comprehensive income (loss)       655
Other comprehensive (loss) income 0 0 0 619
Ending balance 0 0 0 0
Accumulated Other Comprehensive (Loss) Income        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 39 7 58 (592)
Other comprehensive (loss) income 19 (75) (51) 631
Ending balance $ 58 $ (68) $ 7 $ 39