Consolidated statements of cash flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net income (loss)	$ (136,227)	$ (168,627)	$ (207,043)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	14,650	11,235	10,969
Accrued interest	4,949	(651)	(95)
Asset write-downs and impairment of field equipment	4,851	1,159	493
Share-based compensation	104,832	160,035	115,608
Foreign currency remeasurement loss (gain)	1,251	(227)	161
Decrease (increase) in accounts receivables and prepaid expenses	(38,938)	(26,358)	29,414
Amortization of discount (premium)	(23,262)	(25,644)	(23,084)
Decrease (increase) in inventories	(5,668)	2,568	(8,919)
Decrease (increase) in other long-term assets	10,847	7,395	4,072
Increase (decrease) in accounts payables and accrued expenses	18,958	19,106	14,869
Increase (decrease) in other long-term liabilities	(5,274)	(6,360)	(9,781)
Net cash provided by (used in) operating activities	(49,031)	(26,369)	(73,336)
Cash flows from investing activities:
Purchase of property, equipment and field equipment	(26,648)	(42,855)	(27,093)
Proceeds from maturity of short-term investments	1,285,000	778,000	1,214,982
Purchase of short-term investments	(821,076)	(875,387)	(1,003,741)
Net cash provided by (used in) investing activities	437,276	(140,242)	184,148
Cash flows from financing activities:
Proceeds from issuance of shares, net	3,656	4,150	4,416
Proceeds from senior secured credit facility, net	99,979	96,922	0
Repayment and redemption of long-term debt	(560,945)	(12,913)	(10)
Tax payments related to net settlements on equity awards	(146)	0	0
Exercise of options	6,113	2,156	11,381
Net cash provided by (used in) financing activities	(451,343)	90,315	15,787
Effect of exchange rate changes on cash, cash equivalents and restricted cash	394	(174)	131
Increase (decrease) in cash, cash equivalents and restricted cash	(62,704)	(76,470)	126,730
Cash, cash equivalents and restricted cash at the beginning of the year	166,094	242,564	115,834
Cash, cash equivalents and restricted cash at the end of the year	103,390	166,094	242,564
Cash paid during the year for:
Income taxes paid (refunded), net	30,673	23,463	13,665
Interest paid	13,406	7,714	6
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	93,548	163,767	240,821
Restricted cash	9,842	2,327	1,743
Total cash, cash equivalents and restricted cash	103,390	166,094	242,564
Non-cash activities:
Right-of-use assets obtained in exchange for lease liabilities	29,369	494	18,063
Purchase of property incurred but unpaid at period end	$ 886	$ 1,619	$ 1,714