Condensed Consolidated Statements of Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
NET SALES	$ 317,103	$ 352,014	$ 763,050	$ 1,062,206
Cost of sales	285,135	335,967	730,762	973,042
GROSS PROFIT	31,968	16,047	32,288	89,164
Selling, general and administrative expenses	12,730	16,290	36,541	46,737
Impairment of goodwill and indefinite-lived intangibles			193,641
INCOME (LOSS) FROM OPERATIONS	19,238	(243)	(197,894)	42,427
Interest expense, net	(10,414)	(11,807)	(34,448)	(35,532)
Other (expense) income, net	(1,576)	634	(923)	3,393
INCOME (LOSS) BEFORE INCOME TAXES	7,248	(11,416)	(233,265)	10,288
Income tax benefit (provision)	3,898	4,785	11,111	(7,699)
NET INCOME (LOSS)	$ 11,146	$ (6,631)	$ (222,154)	$ 2,589
EARNINGS (LOSS) PER SHARE – BASIC	$ 0.12	$ (0.57)	$ (9.66)	$ (0.84)
EARNINGS (LOSS) PER SHARE – DILUTED	$ 0.12	$ (0.57)	$ (9.66)	$ (0.84)