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Fair Value Measurements (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	$ 794,420	$ 798,655
Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	31,427	33,613
Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	762,993	765,042
Cash Equivalents
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	134,160	71,237
Cash Equivalents | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	31,427	33,613
Cash Equivalents | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	102,733	37,624
Short-Term Investments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	616,461	671,414
Short-Term Investments | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	0	0
Short-Term Investments | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	616,461	671,414
Long Term Investments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	43,799	56,004
Long Term Investments | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	0	0
Long Term Investments | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	43,799	56,004
Money market funds | Cash Equivalents
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	31,427	33,613
Money market funds | Cash Equivalents | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	31,427	33,613
Money market funds | Cash Equivalents | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	0	0
Commercial paper | Cash Equivalents
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	45,906	19,575
Commercial paper | Cash Equivalents | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	0	0
Commercial paper | Cash Equivalents | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	45,906	19,575
Commercial paper | Short-Term Investments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	221,827	237,870
Commercial paper | Short-Term Investments | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	0	0
Commercial paper | Short-Term Investments | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	221,827	237,870
Municipal debt securities | Cash Equivalents
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	20,004	7,848
Municipal debt securities | Cash Equivalents | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	0	0
Municipal debt securities | Cash Equivalents | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	20,004	7,848
Municipal debt securities | Short-Term Investments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	14,013	13,914
Municipal debt securities | Short-Term Investments | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	0	0
Municipal debt securities | Short-Term Investments | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	14,013	13,914
US Treasury Bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	7,298	14,126
US Treasury Bonds | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	0	0
US Treasury Bonds | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	7,298	14,126
US Treasury Bonds | Cash Equivalents
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	24,746	2,000
US Treasury Bonds | Cash Equivalents | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	0	0
US Treasury Bonds | Cash Equivalents | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	24,746	2,000
Corporate debt securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	39,054	43,869
Corporate debt securities | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	0	0
Corporate debt securities | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	39,054	43,869
Corporate debt securities | Short-Term Investments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	225,735	210,982
Corporate debt securities | Short-Term Investments | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	0	0
Corporate debt securities | Short-Term Investments | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	225,735	210,982
Federal agency debt securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	12,077	8,201
Debt Securities, Available-for-Sale	4,745	12,135
Federal agency debt securities | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	0	0
Debt Securities, Available-for-Sale	0	0
Federal agency debt securities | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Cash Equivalents	12,077	8,201
Debt Securities, Available-for-Sale	4,745	12,135
Federal agency debt securities | Short-Term Investments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	140,588	194,522
Federal agency debt securities | Short-Term Investments | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	0	0
Federal agency debt securities | Short-Term Investments | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	140,588	194,522
Certificates of Deposit
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	7,000	0
Certificates of Deposit | Fair Value, Inputs, Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	0	0
Certificates of Deposit | Fair Value, Inputs, Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt Securities, Available-for-Sale	$ 7,000	$ 0

X

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (aa)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481830/320-10-45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(6))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479130/326-30-45-1

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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