Organization and Summary of Significant Accounting Policies - Narrative (Details)				12 Months Ended
	Oct. 01, 2025	May 10, 2024 tranche condition	May 24, 2018 tranche shares	Dec. 31, 2025 USD ($) item option institution segment shares	Dec. 31, 2024 USD ($) segment shares	Dec. 31, 2023 USD ($) segment shares
Summary Of Significant Accounting Policy [Line Items]
Number of depository institutions | institution				3
Aggregate balances in depository institution accounts				$ 1,100,000,000
Number of reportable segments | segment				2	2	2
Credit losses				$ 0	$ 0	$ 0
Restricted cash				12,200,000	11,900,000
Restricted cash related to potential construction				$ 9,700,000
Number of options to renew | option				1
Renewal term				20 years
Option to terminate, term				1 year
Impairment charges				$ 0	0	0
Goodwill, impairment loss				$ 0	0	0
Number of primary revenue sources | item				2
Payment due date from date of invoice				30 days
Reserve for expected credit losses				$ 7,800,000	5,600,000	4,000,000.0
Warranty period				1 year
Research and development				$ 684,308,000	$ 441,593,000	$ 303,719,000
Income Tax, Interest Recognition, Classification [Extensible Enumeration]				Income Tax Expense (Benefit)	Income Tax Expense (Benefit)	Income Tax Expense (Benefit)
Cash surrender value of corporate-owned life insurance policies				$ 9,914,000	$ 8,398,000
Performance shares authorized (in shares) | shares				0	0	0
Invictus Apps, Inc.
Summary Of Significant Accounting Policy [Line Items]
Business Combination, Achieved in Stages, Preacquisition Equity Interest in Acquiree, Remeasurement, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other income (loss), net
Chief Executive Officer
Summary Of Significant Accounting Policy [Line Items]
Number of award tranches | tranche			12
Service Based Restricted Stock Unit
Summary Of Significant Accounting Policy [Line Items]
Expiration period				10 years
Performance Shares | Chief Executive Officer
Summary Of Significant Accounting Policy [Line Items]
Performance shares authorized (in shares) | shares			6,400,000
Performance Based Restricted Stock Unit
Summary Of Significant Accounting Policy [Line Items]
Expiration period				10 years
eXponential Stock Units | Employee XSP
Summary Of Significant Accounting Policy [Line Items]
Number of award tranches | tranche		7
Independent vesting conditions | condition		3
Risk-free interest rate, minimum (as percentage)				3.60%
Risk-free interest rate, maximum (as percentage)				4.50%
Expected volatility, minimum (as percentage)				41.00%
Expected volatility, maximum (as percentage)				51.80%
Expected dividend rate				0.00%
Weighted-average expected volatility				41.90%
Minimum | Service Based Restricted Stock Unit
Summary Of Significant Accounting Policy [Line Items]
Vesting period				1 year
Minimum | Performance Based Restricted Stock Unit
Summary Of Significant Accounting Policy [Line Items]
Vesting period				1 year
Minimum | eXponential Stock Units | Employee XSP
Summary Of Significant Accounting Policy [Line Items]
Expected life of options				7 years
Maximum
Summary Of Significant Accounting Policy [Line Items]
Remaining terms				12 years
Maximum | Service Based Restricted Stock Unit
Summary Of Significant Accounting Policy [Line Items]
Vesting period				3 years
Maximum | Performance Based Restricted Stock Unit
Summary Of Significant Accounting Policy [Line Items]
Vesting period				8 years
Maximum | eXponential Stock Units | Employee XSP
Summary Of Significant Accounting Policy [Line Items]
Expected life of options				8 years 7 months 6 days