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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (15,482)	$ (28,773)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization expense	70,404	54,149
Equity in income of joint ventures	(6,631)	(8,049)
Stock-based compensation expense	10,248	0
Change in fair value of investments	1,538	0
Elimination of unrealized profit on sales to joint ventures	0	5
Deferred taxes	(1,929)	(2,463)
Unrealized foreign exchange	2,647	1,148
Changes in assets and liabilities:
Accounts receivable, net	(52,971)	(38,756)
Inventories	(15,441)	(8,656)
Other assets	1,012	3,442
Accounts payable and accrued liabilities	11,217	15,146
Other liabilities	(12,840)	16,122
Income taxes, net	568	1,657
Other	(7,432)	(2,577)
Dividends from joint ventures	2,985	0
Net cash (used in) provided by operating activities	(12,107)	2,395
Cash flows from investing activities:
Capital expenditures	(31,526)	(37,644)
Acquisition of technology	(7,967)	0
Proceeds from disposal of assets	6,579	0
Proceeds from sale / maturity of investments	8,169	0
Net cash used in investing activities	(24,745)	(37,644)
Cash flows from financing activities:
(Cash pledged for) release of collateral deposits	(256)	42
Payments of loan issuance and other transaction costs	(132)	(438)
Acquisition of common stock	(12,309)	0
Payment of withholding taxes on stock-based compensation plans	(4,291)	0
Repayment of financed insurance premium	(2,805)	0
Repayments of finance leases	(409)	(584)
Net cash used in financing activities	(20,202)	(980)
Effect of exchange rate changes on cash and cash equivalents	(3,382)	(173)
Net decrease to cash and cash equivalents and restricted cash	(60,436)	(36,402)
Cash and cash equivalents and restricted cash at beginning of period	239,847	120,709
Cash and cash equivalents and restricted cash at end of period	$ 179,411	$ 84,307

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