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2. Cash, Cash Equivalents, and Marketable Securities (Details) - Cash, Cash Equivalents, and Marketable Securities - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Cash and cash equivalents	$ 1,005,130		$ 1,946,994
Marketable securities	264,691		155,495
Total cash, cash equivalents, and marketable securities	1,269,821		2,102,489
Restricted cash - current	8,262		8,262
Restricted cash - noncurrent	3,612		3,621
Restricted cash equivalents - noncurrent	4,463		6,192
Total cash, cash equivalents, restricted cash, and restricted cash equivalents	1,021,467	$ 1,510,242	1,965,069	$ 1,493,462
Marketable Securities, Sale Proceeds	67,500	34,900
Marketable Securities, Realized Gain	100
Marketable Securities, Realized Loss		$ (100)
Foreign debt [Member]
Debt Securities, Available-for-sale [Line Items]
Marketable securities	0		34,895
U.S. debt [Member]
Debt Securities, Available-for-sale [Line Items]
Marketable securities	8,822		44,089
Time deposits [Member]
Debt Securities, Available-for-sale [Line Items]
Marketable securities	255,869		76,511
Cash [Member]
Debt Securities, Available-for-sale [Line Items]
Cash and cash equivalents	602,749		841,310
Money market funds [Member]
Debt Securities, Available-for-sale [Line Items]
Cash and cash equivalents	$ 402,381		$ 1,105,684