UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net income (loss)	$ 117,964	$ (46,510)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	18,171	13,420
Purchase accounting adjustments to goodwill	58
Loss on disposal and abandonment of intangible assets	68	130
Loss on disposal and impairment of property, equipment, and other assets, net	1,964	74
Realized and unrealized gains on strategic investments and marketable securities, net	(92,498)	(34,195)
Stock-based compensation	74,454	262,221
Deferred income taxes	30,349	(58,893)
Unrecognized tax benefits	3,519	77
Bond amortization	(61)	4,606
Noncash lease expense	4,997	4,087
Provision for expected credit losses	569	615
Change in assets and liabilities:
Accounts and notes receivable and contract assets	(115,046)	(118,094)
Inventory	(66,267)	(3,154)
Prepaid expenses and other assets	(17,871)	(28,906)
Accounts payable, accrued and other liabilities	28,684	28,528
Deferred revenue	115,187	87,558
Net cash provided by operating activities	104,241	111,564
Cash flows from investing activities:
Purchases of investments	(194,142)	(362,479)
Proceeds from call / maturity of investments	15,485	499,172
Exercise of warrants of strategic investments	(6,555)
Proceeds from sale of strategic investments		14,546
Purchases of property and equipment	(44,218)	(36,501)
Proceeds from disposal of property and equipment	226	31
Purchases of intangible assets	(193)	(157)
Strategic investments	(70,500)	(20,500)
Business acquisition, net of cash acquired	(2,104)	(700)
Net cash provided by (used in) investing activities	(302,001)	93,412
Cash flows from financing activities:
Net proceeds from equity offering	(74)	105,615
Income and payroll tax payments for net-settled stock awards	(2,391)	(182,517)
Net cash used in financing activities	(2,465)	(76,902)
Effect of exchange rate changes on cash and cash equivalents	(6,783)	(1,827)
Net increase (decrease) in cash and cash equivalents	(207,008)	126,247
Cash and cash equivalents and restricted cash, beginning of period	356,438	155,551
Cash and cash equivalents and restricted cash, end of period	$ 149,430	$ 281,798