CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
OPERATING ACTIVITIES:
Net income (loss)	$ 2,000	$ (32,000)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization expense	57,000	58,000
Amortization of deferred debt financing costs	1,000	1,000
Net gain on sale of business and investments	0	9,000
Impairment charges	0	19,000
Stock-based compensation expense	9,000	8,000
Equity in net income from unconsolidated investments	1,000	1,000
Increase (Decrease) in Deferred Income Taxes	20,000	6,000
Other, net	(3,000)	3,000
Increase (Decrease) in Partners' Capital	7,000	20,000
Net cash provided by operating activities	52,000	61,000
INVESTING ACTIVITIES:
Purchase of property, plant and equipment	(43,000)	(43,000)
Proceeds from asset sales	0	3,000
Investment in equity affiliate	1,000	10,000
Other, net	1,000	1,000
Net cash used in investing activities	(45,000)	(51,000)
FINANCING ACTIVITIES:
Proceeds from Other Debt	0	9,000
Proceeds from borrowings on revolving credit facility	97,000	181,000
Payments on long-term debt	(5,000)	(4,000)
Payments on revolving credit facility	(69,000)	(146,000)
Payments on project debt	(1,000)	(1,000)
Cash dividends paid to stockholders	(11,000)	(34,000)
Payment of insurance premium financing	(9,000)	(8,000)
Other, net	(8,000)	(5,000)
Net cash used in financing activities	(6,000)	(8,000)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(1,000)	(1,000)
Net increase in cash, cash equivalents and restricted cash	0	1,000
Cash, cash equivalents and restricted cash at beginning of period	72,000	63,000
Cash, cash equivalents and restricted cash at end of period	72,000	64,000
Cash, cash equivalents and restricted cash at end of period	56,000	42,000
Restricted funds held in trust	10,000	14,000
Restricted funds held in trust	$ 6,000	$ 8,000