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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Net Cash Provided by (Used in) Operating Activities [Abstract]      
Net Income (Loss) $ (38,273) $ (50,150) $ (26,098)
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]      
Depreciation and amortization 45,302 46,120 47,231
Amortization of debt issuance costs and discount 2,288 1,941 1,361
Paid-in-Kind Interest 2,677 2,239 0
Impairments of property, plant and equipment 6,546 0 0
Loss on extinguishment of debt 349 0 0
Total derivative loss (gain), net of cash settlements (1,036) 11,933 (5,265)
Share of net income from joint venture, net of cash dividends received (3,311) (1,868) (347)
Gain on sale of business (7,154) 0 0
Share-based compensation expense 3,140 2,821 4,377
Deferred income taxes (690) (1,273) (1,814)
Other (1,074) (785) (3,207)
Changes in operating assets and liabilities:      
Accounts receivable (2,839) 9,087 (4,920)
Inventories 4,210 9,997 (6,672)
Other operating assets (1,558) (5,041) (1,825)
Income taxes receivable and payable, net (662) (89) (1,457)
Accounts payable (3,894) 1,142 8,619
Other operating liabilities 7,049 3,270 (2,266)
Net cash provided by operating activities 11,070 29,344 7,717
Net Cash Provided by (Used in) Investing Activities [Abstract]      
Acquisition of property, plant and equipment (18,314) (20,496) (17,952)
Proceeds received from sale of business 17,000 0 0
Proceeds from Sale of Property, Plant, and Equipment 306 2,898 460
Net cash used in investing activities (1,008) (17,598) (17,492)
Net Cash Provided by (Used in) Financing Activities [Abstract]      
Cash paid for debt issuance costs (2,011) (169) (136)
Proceeds from failed sale-leaseback of equipment 8,324 0 0
Proceeds from failed sale-leaseback of land and buildings 16,863 0 0
Proceeds from long-term debt 63,400 61,000 46,000
Repayments of long-term debt (96,031) (65,395) (47,958)
Proceeds from short-term debt 0 3,648 0
Other (3,009) (1,967) (3,092)
Net cash used in financing activities (13,245) (2,883) (5,186)
Effect of exchange rate changes on cash flows (592) 232 (887)
Net change in cash and cash equivalents (3,775) 9,095 (15,848)
Cash and cash equivalents at beginning of year 21,903 12,808 28,656
Cash and cash equivalents at end of year 18,128 21,903 12,808
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]      
Non-cash additions to property, plant and equipment 3,119 2,743 1,266
Non-cash additions to debt issuance costs 0 2,712 0
Supplemental Cash Flow Information [Abstract]      
Cash paid for interest, net of capitalized interest 17,988 15,272 13,344
Cash paid for income taxes 3,906 3,083 4,739
Repayments of financing obligations $ (781) $ 0 $ 0