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Equity and Long-term Investments and Fair Value Measurements - Schedule of Available-for-Sale Securities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Recurring basis    
Assets    
Total assets measured at estimated fair value $ 1,101,049 $ 765,285
Recurring basis | Money market funds    
Assets    
Total assets measured at estimated fair value 530,278 289,441
Recurring basis | Equity investments and Money market funds | ISP Fund LP    
Assets    
Total assets measured at estimated fair value 79,741 255,658
Recurring basis | Term loan investment | Armata July 2023 Term Loan    
Assets    
Total assets measured at estimated fair value 32,899 30,197
Recurring basis | Term loan investment | Armata March 2024 Term Loan    
Assets    
Total assets measured at estimated fair value 43,290 39,275
Recurring basis | Term loan investment | Armata March 2025 Term Loan    
Assets    
Total assets measured at estimated fair value 11,125  
Recurring basis | Term loan investment | Armata August 2025 Term Loan    
Assets    
Total assets measured at estimated fair value 15,534  
Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1    
Assets    
Total assets measured at estimated fair value 764,753 529,393
Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Money market funds    
Assets    
Total assets measured at estimated fair value 530,278 289,441
Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Equity investments and Money market funds | ISP Fund LP    
Assets    
Total assets measured at estimated fair value 76,993 193,560
Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Term loan investment | Armata July 2023 Term Loan    
Assets    
Total assets measured at estimated fair value 0 0
Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Term loan investment | Armata March 2024 Term Loan    
Assets    
Total assets measured at estimated fair value 0 0
Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Term loan investment | Armata March 2025 Term Loan    
Assets    
Total assets measured at estimated fair value 0  
Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Term loan investment | Armata August 2025 Term Loan    
Assets    
Total assets measured at estimated fair value 0  
Recurring basis | Significant Other Observable Inputs, Level 2    
Assets    
Total assets measured at estimated fair value 36,244 5,901
Recurring basis | Significant Other Observable Inputs, Level 2 | Money market funds    
Assets    
Total assets measured at estimated fair value 0 0
Recurring basis | Significant Other Observable Inputs, Level 2 | Equity investments and Money market funds | ISP Fund LP    
Assets    
Total assets measured at estimated fair value 0 0
Recurring basis | Significant Other Observable Inputs, Level 2 | Term loan investment | Armata July 2023 Term Loan    
Assets    
Total assets measured at estimated fair value 0 0
Recurring basis | Significant Other Observable Inputs, Level 2 | Term loan investment | Armata March 2024 Term Loan    
Assets    
Total assets measured at estimated fair value 0 0
Recurring basis | Significant Other Observable Inputs, Level 2 | Term loan investment | Armata March 2025 Term Loan    
Assets    
Total assets measured at estimated fair value 0  
Recurring basis | Significant Other Observable Inputs, Level 2 | Term loan investment | Armata August 2025 Term Loan    
Assets    
Total assets measured at estimated fair value 0  
Recurring basis | Significant Unobservable Inputs, Level 3    
Assets    
Total assets measured at estimated fair value 300,052 229,991
Recurring basis | Significant Unobservable Inputs, Level 3 | Money market funds    
Assets    
Total assets measured at estimated fair value 0 0
Recurring basis | Significant Unobservable Inputs, Level 3 | Equity investments and Money market funds | ISP Fund LP    
Assets    
Total assets measured at estimated fair value 2,748 62,098
Recurring basis | Significant Unobservable Inputs, Level 3 | Term loan investment | Armata July 2023 Term Loan    
Assets    
Total assets measured at estimated fair value 32,899 30,197
Recurring basis | Significant Unobservable Inputs, Level 3 | Term loan investment | Armata March 2024 Term Loan    
Assets    
Total assets measured at estimated fair value 43,290 39,275
Recurring basis | Significant Unobservable Inputs, Level 3 | Term loan investment | Armata March 2025 Term Loan    
Assets    
Total assets measured at estimated fair value 11,125  
Recurring basis | Significant Unobservable Inputs, Level 3 | Term loan investment | Armata August 2025 Term Loan    
Assets    
Total assets measured at estimated fair value 15,534  
Nonrecurring basis    
Fair Value Measurements    
2028 Notes 267,013  
Total fair value of debt   473,566
Nonrecurring basis | Quoted Price in Active Markets for Identical Assets, Level 1    
Fair Value Measurements    
2028 Notes 0  
Total fair value of debt   0
Nonrecurring basis | Significant Other Observable Inputs, Level 2    
Fair Value Measurements    
2028 Notes 267,013  
Total fair value of debt   473,566
Nonrecurring basis | Significant Unobservable Inputs, Level 3    
Fair Value Measurements    
2028 Notes 0  
Total fair value of debt   0
Nonrecurring basis | 2025 Notes    
Fair Value Measurements    
2028 Notes   222,353
Nonrecurring basis | 2025 Notes | Quoted Price in Active Markets for Identical Assets, Level 1    
Fair Value Measurements    
2028 Notes   0
Nonrecurring basis | 2025 Notes | Significant Other Observable Inputs, Level 2    
Fair Value Measurements    
2028 Notes   222,353
Nonrecurring basis | 2025 Notes | Significant Unobservable Inputs, Level 3    
Fair Value Measurements    
2028 Notes   0
Nonrecurring basis | 2028 Notes    
Fair Value Measurements    
2028 Notes   251,213
Nonrecurring basis | 2028 Notes | Quoted Price in Active Markets for Identical Assets, Level 1    
Fair Value Measurements    
2028 Notes   0
Nonrecurring basis | 2028 Notes | Significant Other Observable Inputs, Level 2    
Fair Value Measurements    
2028 Notes   251,213
Nonrecurring basis | 2028 Notes | Significant Unobservable Inputs, Level 3    
Fair Value Measurements    
2028 Notes   0
Armata | Recurring basis | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 101,358 42,095
Armata | Recurring basis | Equity investment | Common stock    
Assets    
Total assets measured at estimated fair value 157,482 46,392
Armata | Recurring basis | Equity investment | Warrants    
Assets    
Total assets measured at estimated fair value 36,244 5,901
Armata | Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0 0
Armata | Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Equity investment | Common stock    
Assets    
Total assets measured at estimated fair value 157,482 46,392
Armata | Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Equity investment | Warrants    
Assets    
Total assets measured at estimated fair value 0 0
Armata | Recurring basis | Significant Other Observable Inputs, Level 2 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0 0
Armata | Recurring basis | Significant Other Observable Inputs, Level 2 | Equity investment | Common stock    
Assets    
Total assets measured at estimated fair value 0 0
Armata | Recurring basis | Significant Other Observable Inputs, Level 2 | Equity investment | Warrants    
Assets    
Total assets measured at estimated fair value 36,244 5,901
Armata | Recurring basis | Significant Unobservable Inputs, Level 3 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 101,358 42,095
Armata | Recurring basis | Significant Unobservable Inputs, Level 3 | Equity investment | Common stock    
Assets    
Total assets measured at estimated fair value 0 0
Armata | Recurring basis | Significant Unobservable Inputs, Level 3 | Equity investment | Warrants    
Assets    
Total assets measured at estimated fair value 0 0
InCarda | Recurring basis | Equity investment | Warrants    
Assets    
Total assets measured at estimated fair value 43 59
InCarda | Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Equity investment | Warrants    
Assets    
Total assets measured at estimated fair value 0 0
InCarda | Recurring basis | Significant Other Observable Inputs, Level 2 | Equity investment | Warrants    
Assets    
Total assets measured at estimated fair value 0 0
InCarda | Recurring basis | Significant Unobservable Inputs, Level 3 | Equity investment | Warrants    
Assets    
Total assets measured at estimated fair value 43 59
ImaginAb Note | Recurring basis | Convertible debt investment    
Assets    
Total assets measured at estimated fair value   4,950
ImaginAb Note | Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value   0
ImaginAb Note | Recurring basis | Significant Other Observable Inputs, Level 2 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value   0
ImaginAb Note | Recurring basis | Significant Unobservable Inputs, Level 3 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value   4,950
InCarda 2024 Convertible Note | Recurring basis | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 436 436
InCarda 2024 Convertible Note | Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0 0
InCarda 2024 Convertible Note | Recurring basis | Significant Other Observable Inputs, Level 2 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0 0
InCarda 2024 Convertible Note | Recurring basis | Significant Unobservable Inputs, Level 3 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 436 436
InCarda February 2025 Convertible Note | Recurring basis | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 475  
InCarda February 2025 Convertible Note | Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0  
InCarda February 2025 Convertible Note | Recurring basis | Significant Other Observable Inputs, Level 2 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0  
InCarda February 2025 Convertible Note | Recurring basis | Significant Unobservable Inputs, Level 3 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 475  
InCarda October 2025 Convertible Note | Recurring basis | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 1,225  
InCarda October 2025 Convertible Note | Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0  
InCarda October 2025 Convertible Note | Recurring basis | Significant Other Observable Inputs, Level 2 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0  
InCarda October 2025 Convertible Note | Recurring basis | Significant Unobservable Inputs, Level 3 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 1,225  
Syndeio 2021 Convertible Note | Recurring basis | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 62,937 50,881
Syndeio 2021 Convertible Note | Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0 0
Syndeio 2021 Convertible Note | Recurring basis | Significant Other Observable Inputs, Level 2 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0 0
Syndeio 2021 Convertible Note | Recurring basis | Significant Unobservable Inputs, Level 3 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 62,937 $ 50,881
Syndeio 2025 Convertible Note | Recurring basis | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 24,490  
Syndeio 2025 Convertible Note | Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0  
Syndeio 2025 Convertible Note | Recurring basis | Significant Other Observable Inputs, Level 2 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0  
Syndeio 2025 Convertible Note | Recurring basis | Significant Unobservable Inputs, Level 3 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 24,490  
Lyndra Convertible Note | Recurring basis | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 3,492  
Lyndra Convertible Note | Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0  
Lyndra Convertible Note | Recurring basis | Significant Other Observable Inputs, Level 2 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0  
Lyndra Convertible Note | Recurring basis | Significant Unobservable Inputs, Level 3 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value $ 3,492