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Equity and Other Investments and Fair Value Measurements - Available-for-Sale Securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Available-for-Sale Securities    
Amortized Cost $ 442,266 $ 289,441
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Estimated Fair Value 442,266 289,441
Credit loss 0 0
Money market funds    
Available-for-Sale Securities    
Amortized Cost 442,266 [1] 289,441 [2]
Gross Unrealized Gains 0 [1] 0 [2]
Gross Unrealized Losses 0 [1] 0 [2]
Estimated Fair Value $ 442,266 [1] $ 289,441 [2]
[1] Money market funds are included in cash and cash equivalents in the condensed consolidated balance sheets.
[2] Money market funds are included in cash and cash equivalents in the condensed consolidated balance sheets.