Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Thousands, shares in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost	$ 1,176,854	$ 1,176,854	$ 1,183,222
Gross Unrealized Gains	76	76	57
Gross Unrealized Losses	(27,504)	(27,504)	(52,379)
Fair Value	1,149,426	1,149,426	1,130,900
Cash and Cash Equivalents	474,203	474,203	353,684
Marketable Securities	64,800	64,800	39,240
Short-Term Investments	594,942	594,942	581,769
Long-Term Investments	15,481	15,481	156,207
Debt securities, available-for-sale, unrealized Loss		391,700
Continuous unrealized loss position of available-for-sale investments, unrealized losses	21,300	21,300
Continuous unrealized loss position of available-for-sale investments, gross unrealized losses	500	500
Share Purchase Agreement with CLBT
Restricted Cash and Cash Equivalents Items [Line Items]
Marketable securities, unrealized gain (loss)	10,000	25,600
Common stock | Share Purchase Agreement with CLBT
Restricted Cash and Cash Equivalents Items [Line Items]
Marketable Securities				$ 90,000
Investment owned, shares held				9.0
Fair Value, Inputs, Level 1
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost	393,852	393,852	378,805
Gross Unrealized Gains	50	50	24
Gross Unrealized Losses	(25,797)	(25,797)	(51,026)
Fair Value	368,105	368,105	327,803
Cash and Cash Equivalents	177,561	177,561	115,769
Marketable Securities	64,800	64,800	39,240
Short-Term Investments	125,744	125,744	78,427
Long-Term Investments			94,367
Fair Value, Inputs, Level 2
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost	562,556	562,556	660,673
Gross Unrealized Gains	26	26	33
Gross Unrealized Losses	(1,707)	(1,707)	(1,353)
Fair Value	560,875	560,875	659,353
Cash and Cash Equivalents	76,196	76,196	94,171
Short-Term Investments	469,198	469,198	503,342
Long-Term Investments	15,481	15,481	61,840
Cash
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost	220,446	220,446	143,744
Fair Value	220,446	220,446	143,744
Cash and Cash Equivalents	220,446	220,446	143,744
Money market funds | Fair Value, Inputs, Level 1
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost	6,635	6,635	2,669
Fair Value	6,635	6,635	2,669
Cash and Cash Equivalents	6,635	6,635	2,669
Agency bonds | Fair Value, Inputs, Level 1
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost	165,310	165,310	164,486
Gross Unrealized Gains	15	15	6
Gross Unrealized Losses	(597)	(597)	(263)
Fair Value	164,728	164,728	164,229
Cash and Cash Equivalents	38,984	38,984
Short-Term Investments	125,744	125,744	69,862
Long-Term Investments			94,367
Treasury bills | Fair Value, Inputs, Level 1
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost	131,907	131,907
Gross Unrealized Gains	35	35
Fair Value	131,942	131,942
Cash and Cash Equivalents	131,942	131,942
Marketable securities | Fair Value, Inputs, Level 1
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost	90,000	90,000	90,000
Gross Unrealized Losses	(25,200)	(25,200)	(50,760)
Fair Value	64,800	64,800	39,240
Marketable Securities	64,800	64,800	39,240
State and municipal obligations | Fair Value, Inputs, Level 2
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost	1,942	1,942	4,980
Gross Unrealized Losses			(33)
Fair Value	1,942	1,942	4,947
Short-Term Investments	1,942	1,942	4,947
Corporate bonds | Fair Value, Inputs, Level 2
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost			257,422
Gross Unrealized Gains			33
Gross Unrealized Losses			(1,159)
Fair Value			256,296
Cash and Cash Equivalents			28,883
Short-Term Investments			168,074
Long-Term Investments			59,339
Treasury bills | Fair Value, Inputs, Level 1
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost			121,650
Gross Unrealized Gains			18
Gross Unrealized Losses			(3)
Fair Value			121,665
Cash and Cash Equivalents			113,100
Short-Term Investments			8,565
Certificates of deposit | Fair Value, Inputs, Level 2
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost			5,002
Fair Value			5,002
Short-Term Investments			5,002
Term deposits | Fair Value, Inputs, Level 2
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost	176,196	176,196	200,000
Fair Value	176,196	176,196	200,000
Cash and Cash Equivalents	76,196	76,196	25,000
Short-Term Investments	100,000	100,000	175,000
Corporate bonds | Fair Value, Inputs, Level 2
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost	170,413	170,413
Gross Unrealized Gains	26	26
Gross Unrealized Losses	(953)	(953)
Fair Value	169,486	169,486
Short-Term Investments	167,206	167,206
Long-Term Investments	2,280	2,280
Commercial paper | Fair Value, Inputs, Level 2
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost	78,309	78,309	160,241
Fair Value	78,309	78,309	160,241
Cash and Cash Equivalents			40,288
Short-Term Investments	78,309	78,309	119,953
U.S. government | Fair Value, Inputs, Level 2
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost	133,123	133,123	30,525
Gross Unrealized Losses	(737)	(737)	(159)
Fair Value	132,386	132,386	30,366
Short-Term Investments	119,185	119,185	30,366
Long-Term Investments	13,201	13,201
Treasury Inflation-Protected Securities | Fair Value, Inputs, Level 2
Restricted Cash and Cash Equivalents Items [Line Items]
Amortized Cost	2,573	2,573	2,503
Gross Unrealized Losses	(17)	(17)	(2)
Fair Value	2,556	2,556	2,501
Short-Term Investments	$ 2,556	$ 2,556
Long-Term Investments			$ 2,501