Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Assets, Current [Abstract]
Cash and cash equivalents	$ 12,551	$ 28,656
Accounts receivable, net of allowances of $1,476 and $1,352 at September 30, 2022 and December 31, 2021, respectively	83,496	71,419
Inventories	84,172	75,027
Income tax receivable	11,104	11,808
Other current assets	12,768	9,372
Total current assets	204,091	196,282
Property, plant and equipment, net of accumulated depreciation of $214,254 and $197,936 at September 30, 2022 and December 31, 2021, respectively	195,084	209,105
Operating lease right-of-use assets	46,164	46,443
Intangible assets, net	77,958	88,718
Investment in joint venture	28,193	34,045
Deferred tax assets	375	314
Other non-current assets	5,750	4,194
Total assets	557,615	579,101
Liabilities, Current [Abstract]
Accounts payable	45,107	36,710
Accrued salaries, wages and benefits	13,024	17,739
Income tax payable	902	2,072
Current maturities of long-term debt	3,150	3,074
Current portion of operating lease liabilities	5,033	5,704
Other current liabilities	11,351	8,718
Total current liabilities	78,567	74,017
Deferred tax liabilities	6,408	7,456
Long-term debt, net of current portion	154,351	151,052
Operating lease liabilities, net of current portion	51,102	51,295
Other non-current liabilities	10,635	17,289
Total liabilities	301,063	301,109
Commitments and contingencies (Note 9)
Common stock - $0.01 par value per share, 90,000 shares authorized, 43,882 and 43,027 shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively	439	430
Additional paid-in capital	470,543	474,757
Accumulated deficit	(233,184)	(219,100)
Accumulated other comprehensive loss	(43,032)	(31,902)
Total stockholders’ equity	194,766	224,185
Total liabilities, preferred stock, and stockholders’ equity	557,615	579,101
Series D Preferred Stock
Liabilities, Current [Abstract]
Series D perpetual preferred stock - $0.01 par value per share, 65 shares authorized, issued and outstanding at September 30, 2022 and December 31, 2021, respectively	$ 61,786	$ 53,807