Consolidated Statements of Cash Flows - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		$ (13,225)	$ (100,592)	$ (46,741)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization of continuing operations		46,195	45,680	44,896
Depreciation and amortization of discontinued operations		0	35,731	46,950
Amortization of debt issuance costs and discount		1,381	15,692	4,789
Goodwill impairment		0	92,942	0
Goodwill impairment of discontinued operations		0	146,757	0
Other impairments		0	4,148	643
Loss on extinguishment of debt and write-off of debt issuance costs		2,390	1,532	3,293
Total derivative loss (gain), net of cash settlements		(3,259)	15,309	0
Share of net income from joint venture		(6,261)	(3,626)	(1,681)
Gain on disposal of discontinued operations, net of tax and cost to sell		(1,200)	(233,824)	0
Compensation expense from issuance of share-based awards		3,216	4,226	2,822
Deferred income taxes		(4,845)	(21,697)	(3,142)
Other		(2,611)	(4,730)	3,169
Changes in operating assets and liabilities:
Accounts receivable		13,698	10,831	1,265
Inventories		(12,959)	5,114	1,426
Accounts payable		343	(8,606)	(7,900)
Income taxes receivable and payable, net		(4,516)	(633)	(5,292)
Other		(2,761)	11,295	4,711
Net cash provided by operating activities		15,586	15,549	49,208
Cash flows from investing activities
Acquisition of property, plant and equipment		(18,221)	(23,773)	(54,003)
Proceeds from liquidation of short-term investment		0	0	8,000
Proceeds from (cash paid for post-closing adjustments on) sale of business, net of cash sold		(3,880)	743,178	0
Proceeds from sale of property, plant, and equipment		1,418	3,317	7,287
Cash settlements of interest rate swap		(15,420)	(4,133)	0
Other		0	695	(711)
Net cash provided by (used in) investing activities		(36,103)	719,284	(39,427)
Cash flows from financing activities
Cash paid for debt issuance costs		(7,360)	(661)	(11,336)
Dividends paid		0	0	(8,879)
Proceeds from issuance of preferred stock		61,793	0	95,741
Payments for Repurchase of Preferred Stock and Preference Stock		(122,434)	0	0
Proceeds from long-term debt		171,000	66,195	54,209
Repayments of long-term debt		(93,729)	(776,331)	(108,157)
Repayments of short-term debt, net		(1,563)	(924)	(12,564)
Other		(5,150)	(3,133)	(3,715)
Net cash provided by (used in) financing activities		2,557	(714,854)	5,299
Effect of exchange rate changes on cash flows		(1,522)	(3,544)	(1,365)
Net change in cash and cash equivalents		(19,482)	16,435	13,715
Cash and cash equivalents at beginning of period	[1]	48,138	31,703	17,988
Cash and cash equivalents at end of period	[1]	28,656	48,138	31,703
Supplemental schedule of non-cash operating, investing and financing activities:
Non-cash additions to property, plant and equipment		4,438	9,644	23,281
Supplemental disclosures:
Cash paid for interest		10,739	51,542	50,514
Cash paid for income taxes		$ 7,624	$ 2,241	$ 6,428

[1] Cash and cash equivalents include $13.8 million and $10.2 million of cash and cash equivalents that were included in current assets of discontinued operations as of December 31, 2019 and December 31, 2018, respectively.