CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Cash flows from operating activities:
Net income (loss)	$ (33,375)	$ (57,418)	$ (72,135)	$ (110,479)	$ (207,043)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	2,858	2,721	5,673	5,443	10,969
Accrued Interest	(349)	1,170	1,273	50	(95)
Asset write-downs and impairment of field equipment	140	136	334	262	493
Share-based compensation	31,830	32,740	65,914	71,824	115,608
Foreign currency remeasurement loss (gain)	653	914	1,266	787	161
Decrease (increase) in accounts receivables and prepaid expenses	(11,119)	6,941	(14,394)	21,452	29,414
Amortization of discount (premium)	(6,854)	(5,075)	(12,235)	(9,131)	(23,084)
Decrease (increase) in inventories	1,888	(1,452)	(2,762)	(4,170)	(8,919)
Decrease (increase) in other long-term assets	4,889	(1,920)	6,063	(386)	4,072
Increase (decrease) in accounts payables and accrued expenses	9,548	207	(8,697)	(10,257)	14,869
Increase (decrease) in other long-term liabilities	(1,829)	(1,701)	(3,594)	(4,859)	(9,781)
Net cash provided by (used in) operating activities	(1,720)	(22,737)	(33,294)	(39,464)	(73,336)
Cash flows from investing activities:
Purchase of property, equipment and field equipment	(11,446)	(6,931)	(23,230)	(13,019)	(27,093)
Proceeds from maturity of short-term investments	160,000	314,597	418,000	640,884	1,214,982
Purchase of short-term investments	(522,994)	(321,563)	(522,994)	(559,475)	(1,003,741)
Net cash provided by (used in) investing activities	(374,440)	(13,897)	(128,224)	68,390	184,148
Cash flows from financing activities:
Proceeds from issuance of shares, net	2,187	2,883	2,187	2,883	4,416
Proceeds from senior secured credit facility, net	96,922	0	96,922	0	0
Repayment and redemption of long-term debt	(12,913)	(3)	(12,913)	(10)	(10)
Exercise of options	1,121	4,622	1,334	9,833	11,381
Net cash provided by (used in) financing activities	87,317	7,502	87,530	12,706	15,787
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(77)	(13)	(133)	28	131
Increase (decrease) in cash, cash equivalents and restricted cash	(288,920)	(29,145)	(74,121)	41,660	126,730
Cash, cash equivalents and restricted cash at the beginning of the period	457,363	186,639	242,564	115,834	115,834
Cash, cash equivalents and restricted cash at the end of the period	168,443	157,494	168,443	157,494	242,564
Cash paid during the period for:
Income taxes paid (refunded), net	7,501	5,831	10,415	7,543	13,665
Interest paid	1,968	0	1,970	1	6
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	164,796	156,978	164,796	156,978	240,821
Restricted cash	3,647	516	3,647	516	1,743
Total cash, cash equivalents and restricted cash	168,443	157,494	168,443	157,494	242,564
Non-cash activities:
Right-of-use assets obtained (disposed) in exchange for lease liabilities	(1,649)	2,333	(1,367)	5,784	18,063
Purchase of property incurred but unpaid at period end	$ 401	$ 0	$ 401	$ 0	$ 1,714