Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net loss	$ (516,755)	$ (105,025)
Adjustments to reconcile net loss to cash flows from operating activities:
Loss on debt extinguishment	387,329	0
Depreciation and amortization	11,305	10,719
Reduction in the carrying amounts of the right of use assets	3,218	3,655
Stock-based compensation	41,250	29,198
Accretion of Investment Discount, Net	(8,651)	(50)
Other	1,964	3,845
Changes in operating assets and liabilities, net:
Net increase in accounts receivable	(9,208)	(25,204)
Net increase in inventory	(306)	(4,687)
Net (increase) decrease in other assets	(29,996)	13,401
Net decrease in deferred revenue	(22,005)	(22,005)
Net decrease in accounts payable, accrued expenses, lease liabilities and other liabilities	(67,541)	(5,022)
Net cash used in operating activities	(209,396)	(101,175)
Cash flows from investing activities:
Purchase of property and equipment	(9,485)	(5,551)
Purchase of available-for-sale securities	(426,763)	(779,770)
Maturity and sale of available-for-sale securities	448,834	0
Other	(94)	(486)
Net cash provided by (used in) investing activities	12,492	(785,807)
Cash flows from financing activities:
Partial settlement of capped call share options for 2024 Notes	80,645	0
Proceeds from exercise of stock options and purchase of stock under the Employee Stock Purchase Program	28,037	4,990
Debt conversion costs for 2024 Notes	(6,887)	0
Net cash provided by financing activities	101,795	4,990
Decrease in cash, cash equivalents and restricted cash	(95,109)	(881,992)
Cash, cash equivalents and restricted cash:
Beginning of period	985,801	2,125,523
End of period	890,692	1,243,531
Reconciliation of cash, cash equivalents and restricted cash:
Total cash, cash equivalents and restricted cash	890,692	1,243,531
Cash and cash equivalents	871,668	1,233,877
Restricted cash in other assets	19,024	9,654
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	7,023	11,688
Supplemental schedule of non-cash investing activities and financing activities:
Intangible assets and property and equipment included in accounts payable and accrued expenses	11,136	4,415
Lease liabilities arising from obtaining right of use assets	280	4,106
Common stock issued for exchange of 2024 Notes	$ 693,377	$ 0