Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net sales	$ 365,070	$ 378,160	$ 427,504
Cost of sales	360,085	362,325	422,038
Gross profit	4,985	15,835	5,466
Selling, general and administrative expense	34,172	40,811	34,990
Other expense (income), net	9,904	(1,951)	4,567
Operating loss	(39,091)	(23,025)	(34,091)
Interest expense, net	46,389	43,064	37,267
Loss on extinguishment of debt		5,951
Non-operating other income, net	(1,139)	(1,554)	(306)
Loss from continuing operations before provision (benefit) for income taxes	(84,341)	(70,486)	(71,052)
Provision (benefit) for income taxes	(20,924)	1,740	(40,759)
Loss from continuing operations	(63,417)	(72,226)	(30,293)
Income from discontinued operations, net of taxes			1,076
Net loss	(63,417)	(72,226)	(29,217)
Dividends on convertible preferred stocks	300	300	300
Net loss attributable to common stockholders	$ (96,441)	$ (102,741)	$ (59,447)
Basic and dilutive income (loss) per common share:
Loss from continuing operations	$ (3.44)	$ (3.74)	$ (2.22)
Income from discontinued operations, net of taxes			0.04
Net loss	$ (3.44)	$ (3.74)	$ (2.18)
Series E Preferred Stock [Member]
Dividends on Series E redeemable preferred stock	$ 30,729	$ 26,840	$ 23,443
Accretion of Series E redeemable preferred stock	$ 1,995	$ 3,375	$ 6,487