Fair Value Measurements (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
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