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v3.21.2

Marketable Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Amortized Cost |  |
Amortized Cost | $ 350,953 | $ 150,593
Gross Unrealized Gains |  |
Gross Unrealized Gains | 15 | 5
Gross Unrealized Losses |  |
Gross Unrealized Losses | (63) | (12)
Fair Value |  |
Fair Value | 350,905 | 150,586
U.S. government and municipal obligations |  |
Amortized Cost |  |
Maturing in one year or less | 24,291 | 40,328
Maturing after one year through three years | 75,314 |
Amortized Cost | 99,605 | 40,328
Gross Unrealized Gains |  |
Maturing in one year or less | 5 | 3
Maturing after one year through three years | 2 |
Gross Unrealized Gains | 7 | 3
Gross Unrealized Losses |  |
Maturing in one year or less |  | (2)
Maturing after one year through three years | (17) |
Gross Unrealized Losses | (17) | (2)
Fair Value |  |
Maturing in one year or less | 24,296 | 40,329
Maturing after one year through three years | 75,299 |
Fair Value | 99,595 | 40,329
Corporate debt securities |  |
Amortized Cost |  |
Maturing in one year or less | 183,504 | 110,265
Maturing after one year through three years | 67,844 |
Amortized Cost | 251,348 | 110,265
Gross Unrealized Gains |  |
Maturing in one year or less |  | 2
Maturing after one year through three years | 8 |
Gross Unrealized Gains | 8 | 2
Gross Unrealized Losses |  |
Maturing in one year or less | (10) | (10)
Maturing after one year through three years | (36) |
Gross Unrealized Losses | (46) | (10)
Fair Value |  |
Maturing in one year or less | 183,494 | 110,257
Maturing after one year through three years | 67,816 |
Fair Value | $ 251,310 | $ 110,257

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