Fair Value Measurements - Debt Securities (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025 USD ($) Y	Sep. 30, 2025 USD ($) Y
changes in our debt securities
Beginning balance	$ 13,046	$ 0
Noncash changes in fair value	$ (685)	$ 10,234
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration]	OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax	OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
Payments	$ 832	$ 2,959
Ending balance	$ 13,193	$ 13,193
Industry volatility \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, Measurement Input	0.381	0.381
Industry volatility \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, Measurement Input	0.648	0.648
Industry volatility \| Arithmetic average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, Measurement Input	0.48	0.48
Estimated time to exit \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, Measurement Input \| Y	1.75	1.75
Estimated time to exit \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, Measurement Input \| Y	3.75	3.75
Estimated time to exit \| Arithmetic average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, Measurement Input \| Y	2.75	2.75
Forecasted future cash flow \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, Measurement Input	906,600	906,600
Forecasted future cash flow \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, Measurement Input	1,285,900	1,285,900
Forecasted future cash flow \| Arithmetic average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, Measurement Input	1,096,300	1,096,300
Cost of capital \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, Measurement Input	0.1467	0.1467
Cost of capital \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, Measurement Input	0.1951	0.1951
Cost of capital \| Arithmetic average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities, Measurement Input	0.1658	0.1658

Value of input used to measure investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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