CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
ASSETS
Cash and cash equivalents	$ 88,365	$ 110,920
Accounts receivable, net	81,314	74,758
Inventories, net	45,115	44,362
Derivative assets	13,419	18,510
Prepaid and other current assets	17,774	19,154
Total current assets	245,987	267,704
Investments in affiliated companies	440,198	436,013
Property, plant and equipment, net	576,904	584,889
Goodwill	404,470	403,163
Other intangible assets, net	116,550	129,932
Right-of-use lease assets	24,281	28,265
Other long-term assets	29,361	34,587
Total assets	1,837,751	1,884,553
LIABILITIES
Current maturities of long-term debt	9,000	9,000
Accounts payable	40,195	40,019
Operating lease liabilities—current	8,193	8,155
Accrued liabilities	61,693	72,229
Total current liabilities	119,081	129,403
Long-term debt, excluding current portion	858,946	865,870
Deferred income taxes	115,791	136,184
Operating lease liabilities—noncurrent	16,030	20,021
Other long-term liabilities	22,439	25,846
Total liabilities	1,132,287	1,177,324
Commitments and contingencies (Note 23)
EQUITY
Common stock, value, issued	1,407	1,396
Preferred stock, value, issued	0	0
Additional paid-in capital	1,102,581	1,091,475
Accumulated deficit	(170,856)	(242,010)
Treasury stock, value	(226,710)	(149,624)
Accumulated other comprehensive (loss) income	(958)	5,992
Total equity	705,464	707,229
Total liabilities and equity	$ 1,837,751	$ 1,884,553