CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net income	$ 304,064	$ 128,797
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	34,419	28,102
Net amortization (accretion) of premium (discount) on marketable securities	(17,705)	2,703
Provision for doubtful accounts	629	131
Asset impairments	0	1,200
Non-cash interest expense	4,140	4,025
Net (gain) loss from change in fair value of debt securities	(3,498)	129
Stock-based compensation	113,821	100,861
Deferred income taxes	(26,796)	15,617
Changes in operating assets and liabilities:
Accounts receivable	(83,497)	27,546
Inventory	(16,403)	(55,866)
Prepaid expenses and other assets	(41,993)	(21,352)
Accounts payable, accrued and other liabilities	107,225	10,228
Warranty obligations	49,269	22,878
Deferred revenues	91,800	38,094
Net cash provided by operating activities	515,475	303,093
Cash flows from investing activities:
Purchases of property and equipment	(66,478)	(21,066)
Business acquisitions, net of cash acquired	0	(27,680)
Purchases of marketable securities	(1,272,908)	(60,061)
Maturities and sale of marketable securities	911,804	193,033
Net cash provided by (used in) investing activities	(427,582)	84,226
Cash flows from financing activities:
Proceeds from exercise of equity awards and employee stock purchase plan	596	4,587
Payment of withholding taxes related to net share settlement of equity awards	(84,635)	(14,807)
Repurchase of common stock	(200,000)	0
Net cash used in financing activities	(284,039)	(10,220)
Effect of exchange rate changes on cash and cash equivalents	1,578	(942)
Net increase (decrease) in cash and cash equivalents	(194,568)	376,157
Cash and cash equivalents—Beginning of period	473,244	119,316
Cash and cash equivalents—End of period	278,676	495,473
Supplemental disclosures of non-cash investing and financing activities:
Purchases of property and equipment included in accounts payable	8,310	2,783
Purchases of property and equipment through tenant improvement allowance	$ 0	$ 748