Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating activities
Net income (loss)	$ 147,252	$ (31,064)
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation, amortization and accretion	36,048	30,088
Impairment of long-lived assets	0	9,540
Asset retirement obligation acceleration	1,229	0
Amortization of debt related costs	737	430
Changes in fair value of contingent assets and liabilities	25,400	28,500
Gain on extinguishment of debt	0	(889)
Provision for excess and obsolete inventory	4,980	2,317
Stock-based compensation	21,138	11,772
Gain on sale of assets	0	(15,263)
Deferred taxes	14,461	1,028
Long-term income tax receivable	668	3,092
Long-term income tax payable and other long-term liabilities	(538)	(3,617)
Other	3,188	1,724
(Decreases) increases in cash from operating assets and liabilities:
Accounts receivable	(112,031)	(7,721)
Inventory	(4,666)	(625)
Other current assets	314	1,998
Other long-term assets	(533)	0
Accounts payable	8,409	4,776
Accrued expenses and other liabilities	30,374	3,941
Net cash provided by operating activities	176,429	40,027
Investing activities
Capital expenditures	(13,623)	(7,596)
Proceeds from sale of assets, net	1,800	15,823
Net cash (used in) provided by investing activities	(11,823)	8,227
Financing activities
Payments on long-term debt and other borrowings	(7,891)	(40,757)
Proceeds from stock option exercises	7,538	4,616
Proceeds from issuance of common stock	1,375	768
Payments for minimum statutory tax withholding related to net share settlement of equity awards	(7,171)	(1,859)
Net cash used in financing activities	(6,149)	(37,232)
Effect of foreign exchange rates on cash, cash equivalents and restricted cash	(266)	(99)
Net increase in cash, cash equivalents and restricted cash	158,191	10,923
Cash, cash equivalents and restricted cash, beginning of period	100,651	82,694
Cash, cash equivalents and restricted cash, end of period	258,842	93,617
Reconciliation to amounts within the condensed consolidated balance sheets
Cash and cash equivalents	257,259	91,475
Restricted cash included in other long-term assets	1,583	2,142
Cash, cash equivalents and restricted cash at end of period	$ 258,842	$ 93,617