Cash, Cash Equivalents, Restricted Cash and Investments - Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Marketable Securities [Line Items]
Amortized Cost	$ 319,960	$ 350,416
Unrealized Gains	0	74
Unrealized Losses	(49)	(1)
Estimated Fair Value	319,911	350,489
Total cash, cash equivalents, restricted cash and investments, Amortized Cost	320,159	350,616
Total cash, cash equivalents, restricted cash and investments, unrealized gains	1	75
Total cash, cash equivalents, restricted cash and investments, unrealized losses	(49)	(1)
Total cash, cash equivalents, restricted cash and investments	320,111	350,690
Cash, cash equivalents and restricted cash
Marketable Securities [Line Items]
Amortized Cost	64,459	48,875
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value	64,459	48,875
Corporate bonds
Marketable Securities [Line Items]
Amortized Cost	23,547	33,576
Unrealized Gains	0	4
Unrealized Losses	(3)	0
Estimated Fair Value	23,544	33,580
Commercial paper
Marketable Securities [Line Items]
Amortized Cost	38,273	39,305
Unrealized Gains	0	0
Unrealized Losses	(30)	(1)
Estimated Fair Value	38,243	39,304
Treasury bills
Marketable Securities [Line Items]
Amortized Cost	134,984	122,757
Unrealized Gains	0	49
Unrealized Losses	(9)	0
Estimated Fair Value	134,975	122,806
Treasury bonds
Marketable Securities [Line Items]
Amortized Cost	58,697	105,903
Unrealized Gains	0	21
Unrealized Losses	(7)	0
Estimated Fair Value	58,690	105,924
Total long-term investment corporate bond
Marketable Securities [Line Items]
Amortized Cost	199	200
Unrealized Gains	1	1
Unrealized Losses	0	0
Estimated Fair Value	$ 200	$ 201

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