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Fair Value Measurements (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | $ 835,849 | $ 707,109
Fair Value, Inputs, Level 1 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 48,309 | 41,494
Fair Value, Inputs, Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 787,540 | 665,615
Cash Equivalents |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Cash Equivalents | 160,814 | 160,150
Cash Equivalents | Fair Value, Inputs, Level 1 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Cash Equivalents | 48,309 | 41,494
Cash Equivalents | Fair Value, Inputs, Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Cash Equivalents | 112,505 | 118,656
Short-Term Investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 640,495 | 495,234
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 | 640,495 | 495,234
Long Term Investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 34,540 | 51,725
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 | 34,540 | 51,725
Money market funds | Cash Equivalents |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Cash Equivalents | 48,309 | 41,494
Money market funds | Cash Equivalents | Fair Value, Inputs, Level 1 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Cash Equivalents | 48,309 | 41,494
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 | 85,176 | 22,689
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 | 85,176 | 22,689
Commercial paper | Short-Term Investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 253,068 | 149,807
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 | 253,068 | 149,807
Municipal debt securities | Cash Equivalents |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Cash Equivalents | 12,189 | 10,299
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 | 12,189 | 10,299
Municipal debt securities | Short-Term Investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 12,119 | 1,580
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 | 12,119 | 1,580
Municipal debt securities | Long Term Investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 5,109 | 1,342
Municipal debt securities | Long 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 | Long Term Investments | Fair Value, Inputs, Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 5,109 | 1,342
US Government and agency obligations | Short-Term Investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 65,752 | 94,295
US Government and agency obligations | Short-Term Investments | Fair Value, Inputs, Level 1 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 0 | 0
US Government and agency obligations | Short-Term Investments | Fair Value, Inputs, Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 65,752 | 94,295
Corporate debt securities | Cash Equivalents |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Cash Equivalents | 3,013 | 4,133
Corporate debt securities | Cash Equivalents | Fair Value, Inputs, Level 1 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Cash Equivalents | 0 | 0
Corporate debt securities | Cash Equivalents | Fair Value, Inputs, Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Cash Equivalents | 3,013 | 4,133
Corporate debt securities | Short-Term Investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 281,717 | 242,313
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 | 281,717 | 242,313
Corporate debt securities | Long Term Investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 15,076 | 39,931
Corporate debt securities | Long Term Investments | Fair Value, Inputs, Level 1 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 0 |
Corporate debt securities | Long Term Investments | Fair Value, Inputs, Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 15,076 | 39,931
US Government and agency obligations | Cash Equivalents |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Cash Equivalents | 12,127 | 81,535
US Government and agency obligations | Cash Equivalents | Fair Value, Inputs, Level 1 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Cash Equivalents | 0 | 0
US Government and agency obligations | Cash Equivalents | Fair Value, Inputs, Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Cash Equivalents | 12,127 | 81,535
US Government and agency obligations | Long Term Investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 14,355 | 10,452
US Government and agency obligations | Long Term Investments | Fair Value, Inputs, Level 1 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 0 | 0
US Government and agency obligations | Long Term Investments | Fair Value, Inputs, Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 14,355 | 10,452
Certificates of Deposit | Short-Term Investments |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 27,839 | 7,239
Certificates of Deposit | Short-Term Investments | Fair Value, Inputs, Level 1 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | 0 | 0
Certificates of Deposit | Short-Term Investments | Fair Value, Inputs, Level 2 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Debt Securities, Available-for-Sale | $ 27,839 | $ 7,239

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