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Marketable Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Amortized Cost |  |
Amortized Cost | $ 696,208 | $ 388,070
Gross Unrealized Gains |  |
Gross Unrealized Gains | 1,169 | 777
Gross Unrealized Losses |  |
Gross Unrealized Losses | (452) | (63)
Fair Value |  |
Fair Value | 696,925 | 388,784
U.S. government and municipal obligations |  |
Amortized Cost |  |
Maturing in one year or less | 185,388 | 132,459
Maturing after one year through three years | 102,331 | 26,009
Amortized Cost | 287,719 | 158,468
Gross Unrealized Gains |  |
Maturing in one year or less | 467 | 143
Maturing after one year through three years | 316 | 77
Gross Unrealized Gains | 783 | 220
Gross Unrealized Losses |  |
Maturing in one year or less |  | (53)
Maturing after one year through three years | (144) |
Gross Unrealized Losses | (144) | (53)
Fair Value |  |
Maturing in one year or less | 185,855 | 132,549
Maturing after one year through three years | 102,503 | 26,086
Fair Value | 288,358 | 158,635
Corporate debt securities |  |
Amortized Cost |  |
Maturing in one year or less | 336,350 | 183,625
Maturing after one year through three years | 72,139 | 45,977
Amortized Cost | 408,489 | 229,602
Gross Unrealized Gains |  |
Maturing in one year or less | 350 | 300
Maturing after one year through three years | 36 | 257
Gross Unrealized Gains | 386 | 557
Gross Unrealized Losses |  |
Maturing in one year or less | (54) | (10)
Maturing after one year through three years | (254) |
Gross Unrealized Losses | (308) | (10)
Fair Value |  |
Maturing in one year or less | 336,646 | 183,915
Maturing after one year through three years | 71,921 | 46,234
Fair Value | $ 408,567 | $ 230,149

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