CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities
Net loss	$ (11,540)	$ (5,591)
Adjustments to reconcile net loss to net cash provided by operating activities:
Deferred income taxes	445	(910)
Depreciation and amortization of property, plant and equipment	16,826	17,736
Amortization of intangible and other assets	313	602
Other	2,098	627
Cash provided (used) by changes in assets and liabilities:
Accounts receivable	2,543	(7,443)
Inventories	(3,393)	1,650
Prepaid insurance	2,991	2,722
Accounts payable	(10,480)	(431)
Accrued interest	9,659	(7,959)
Other assets and other liabilities	(2,401)	214
Net cash provided by operating activities	7,061	1,217
Cash flows from investing activities
Expenditures for property, plant and equipment	(7,115)	(6,247)
Proceeds from property insurance recovery associated with property, plant and equipment		1,531
Net proceeds from sale of discontinued operations		2,730
Other investing activities	9	95
Net cash used by investing activities	(7,106)	(1,891)
Cash flows from financing activities
Proceeds from other long-term debt	795
Payments on other long-term debt	(1,610)	(1,647)
Payments on short-term financing	(2,714)	(2,447)
Taxes paid on equity awards	(690)	(184)
Other financing activities	(79)
Net cash used by financing activities	(4,298)	(4,278)
Net decrease in cash and cash equivalents	(4,343)	(4,952)
Cash and cash equivalents at beginning of period	26,048	33,619
Cash and cash equivalents at end of period	$ 21,705	$ 28,667