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Equity and Other Investments and Fair Value Measurements - Schedule of Available-for-Sale Securities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Recurring basis    
Assets    
Total assets measured at estimated fair value $ 806,893 $ 765,285
Recurring basis | Money market funds    
Assets    
Total assets measured at estimated fair value 383,231 289,441
Recurring basis | Equity investments and Money market funds | ISP Fund LP    
Assets    
Total assets measured at estimated fair value 147,460 255,658
Recurring basis | Term loan investment | Armata July 2023 Term Loan    
Assets    
Total assets measured at estimated fair value 31,564 30,197
Recurring basis | Term loan investment | Armata March 2024 Term Loan    
Assets    
Total assets measured at estimated fair value 41,263 39,275
Recurring basis | Term loan investment | Armata March 2025 Term Loan    
Assets    
Total assets measured at estimated fair value 10,475  
Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1    
Assets    
Total assets measured at estimated fair value 575,693 529,393
Recurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Money market funds    
Assets    
Total assets measured at estimated fair value 383,231 289,441
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 144,816 193,560
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 | Significant Other Observable Inputs, Level 2    
Assets    
Total assets measured at estimated fair value 4,180 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 Unobservable Inputs, Level 3    
Assets    
Total assets measured at estimated fair value 227,020 229,991
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 2,644 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 31,564 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 41,263 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 10,475  
Nonrecurring basis | Debt    
Fair Value Measurements    
Total fair value of debt 503,206 473,566
Nonrecurring basis | Quoted Price in Active Markets for Identical Assets, Level 1 | Debt    
Fair Value Measurements    
Total fair value of debt 0 0
Nonrecurring basis | Significant Other Observable Inputs, Level 2 | Debt    
Fair Value Measurements    
Total fair value of debt 503,206 473,566
Nonrecurring basis | Significant Unobservable Inputs, Level 3 | Debt    
Fair Value Measurements    
Total fair value of debt 0 0
Nonrecurring basis | 2025 Notes | Debt    
Fair Value Measurements    
2025 Notes 237,373 222,353
Nonrecurring basis | 2025 Notes | Quoted Price in Active Markets for Identical Assets, Level 1 | Debt    
Fair Value Measurements    
2025 Notes 0 0
Nonrecurring basis | 2025 Notes | Significant Other Observable Inputs, Level 2 | Debt    
Fair Value Measurements    
2025 Notes 237,373 222,353
Nonrecurring basis | 2025 Notes | Significant Unobservable Inputs, Level 3 | Debt    
Fair Value Measurements    
2025 Notes 0 0
Nonrecurring basis | 2028 Notes | Debt    
Fair Value Measurements    
2028 Notes 265,833 251,213
Nonrecurring basis | 2028 Notes | Quoted Price in Active Markets for Identical Assets, Level 1 | Debt    
Fair Value Measurements    
2028 Notes 0 0
Nonrecurring basis | 2028 Notes | Significant Other Observable Inputs, Level 2 | Debt    
Fair Value Measurements    
2028 Notes 265,833 251,213
Nonrecurring basis | 2028 Notes | Significant Unobservable Inputs, Level 3 | Debt    
Fair Value Measurements    
2028 Notes 0 0
Armata | Recurring basis | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 43,959 42,095
Armata | Recurring basis | Equity investment | Common stock    
Assets    
Total assets measured at estimated fair value 47,646 46,392
Armata | Recurring basis | Equity investment | Warrants    
Assets    
Total assets measured at estimated fair value 4,180 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 47,646 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 4,180 5,901
Armata | Recurring basis | Significant Unobservable Inputs, Level 3 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 43,959 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 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value   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
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  
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 2025 Convertible Note | Recurring basis | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 474  
InCarda 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 2025 Convertible Note | Recurring basis | Significant Other Observable Inputs, Level 2 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0  
InCarda 2025 Convertible Note | Recurring basis | Significant Unobservable Inputs, Level 3 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 474  
ImaginAb | Recurring basis | Convertible debt investment    
Assets    
Total assets measured at estimated fair value   4,950
ImaginAb | 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 | Recurring basis | Significant Other Observable Inputs, Level 2 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value   0
ImaginAb | Recurring basis | Significant Unobservable Inputs, Level 3 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value   4,950
Syndeio 2021 Convertible Note | Recurring basis | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 71,342 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 71,342 $ 50,881
Syndeo 2025 Convertible Note | Recurring basis | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 15,620  
Syndeo 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  
Syndeo 2025 Convertible Note | Recurring basis | Significant Other Observable Inputs, Level 2 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 0  
Syndeo 2025 Convertible Note | Recurring basis | Significant Unobservable Inputs, Level 3 | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 15,620  
Lyndra Convertible Note | Recurring basis | Convertible debt investment    
Assets    
Total assets measured at estimated fair value 9,200  
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 $ 9,200