Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
OPERATING ACTIVITIES:
Net loss	$ (114,985)	$ (133,533)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	10,712	10,345
Operating lease costs	7,619	7,339
Stock-based compensation	27,041	22,266
Amortization of debt issuance costs	645	644
Amortization of premium (discount) on marketable debt securities	111	(1,009)
Unrealized losses (gains) on marketable equity securities	30,054	(3,882)
Impairment of non-marketable equity securities and other related assets	0	5,485
Other	652	(300)
Cash effect of changes in operating assets and liabilities:
Accounts receivable, net	4,220	12,349
Inventory, net	(1,042)	5,125
Prepaid expenses and other current assets, net	(5,627)	(3,354)
Other assets, net	1,024	1,765
Accounts payable and accrued liabilities	13,240	13,886
Operating lease liabilities	(8,835)	(7,422)
Deferred revenue	4,887	(4,145)
Net cash used in operating activities	(30,284)	(74,441)
INVESTING ACTIVITIES:
Purchase of marketable debt securities	0	(63,252)
Maturity of marketable debt securities	35,000	228,000
Purchase of property and equipment	(6,934)	(7,524)
Net cash provided by investing activities	28,066	157,224
FINANCING ACTIVITIES:
Proceeds from issuance of common stock upon exercise of stock options	213	157
Taxes paid related to net share settlement of restricted stock units	(1,544)	(993)
Other	257	(18)
Net cash used in financing activities	(1,074)	(854)
Net effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	(1,138)	(163)
Net (decrease) increase in cash, cash equivalents and restricted cash	(4,430)	81,766
Cash, cash equivalents and restricted cash—Beginning of period	1,133,687	141,948
Cash, cash equivalents and restricted cash—End of period	1,129,257	223,714
Supplemental Disclosures of Noncash Investing and Financing Activities:
Purchase of property and equipment included in accounts payable and accrued liabilities	1,640	8,016
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	1,029,027	223,640
Restricted cash – included in cash, cash equivalents and restricted cash	100,230	74
Total cash, cash equivalents and restricted cash	$ 1,129,257	$ 223,714