CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Cash flows from operating activities:
Net income (loss)	$ (49,485)	$ (26,576)	$ (159,964)	$ (55,231)	$ (92,534)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	2,803	2,659	8,246	7,924	10,624
Accrued Interest	480	1	530	(822)	(2,216)
Asset write-downs and impairment of field equipment	112	163	374	514	955
Share-based compensation	26,346	26,305	98,170	77,173	106,955
Foreign currency remeasurement loss (gain)	1,398	(141)	2,185	1,051	(3,256)
Decrease (increase) in accounts receivables	2,642	11,522	24,094	6,318	2,547
Amortization of discount (premium)	(6,691)	232	(15,822)	1,743	(1,536)
Decrease (increase) in inventories	(4,080)	2,952	(8,250)	(2,061)	(4,342)
Decrease (increase) in other long-term assets	3,971	1,665	3,585	5,885	7,107
Increase (decrease) in accounts payables and accrued expenses	6,265	5,265	(3,992)	(1,895)	14,257
Increase (decrease) in other long-term liabilities	(3,075)	(1,627)	(7,934)	(6,104)	(7,773)
Net cash provided by (used in) operating activities	(19,314)	22,420	(58,778)	34,495	30,788
Cash flows from investing activities:
Purchase of property, equipment and field equipment	(7,253)	(5,703)	(20,272)	(14,927)	(21,358)
Proceeds from maturity of short-term investments	275,549	358,729	916,433	1,074,763	1,179,289
Purchase of short-term investments	(251,038)	(503,270)	(810,513)	(1,071,733)	(1,297,888)
Net cash provided by (used in) investing activities	17,258	(150,244)	85,648	(11,897)	(139,957)
Cash flows from financing activities:
Proceeds from issuance of shares, net	0	0	2,883	2,759	5,224
Repayment of long-term debt	0	(7)	(10)	(21)	(28)
Exercise of options	1,171	4,211	11,004	9,343	10,295
Net cash provided by (used in) financing activities	1,171	4,204	13,877	12,081	15,491
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(97)	(107)	(69)	(252)	(97)
Increase (decrease) in cash, cash equivalents and restricted cash	(982)	(123,727)	40,678	34,427	(93,775)
Cash, cash equivalents and restricted cash at the beginning of the period	157,494	367,763	115,834	209,609	209,609
Cash, cash equivalents and restricted cash at the end of the period	156,512	244,036	156,512	244,036	115,834
Cash paid during the period for:
Income taxes paid (refunded), net	1,202	907	8,745	3,933	5,480
Interest paid	0	1	1	3	41
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	154,860	243,805	154,860	243,805	115,326
Restricted cash	1,652	231	1,652	231	508
Total cash, cash equivalents and restricted cash	156,512	244,036	156,512	244,036	115,834
Non-cash activities:
Right-of-use assets obtained in exchange for lease liabilities	$ 4,693	$ 2,828	$ 10,477	$ 6,687	$ 12,117