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Financial Instruments - Unrealized Losses for Investments in a Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
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Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Less than 12 months, fair value | $ 2,013 | $ 7,065
12 months or greater, fair value | 18,669 | 32,612
Fair value | 20,682 | 39,677
Less than 12 months, unrealized loss | 0 | (23)
12 months or greater, unrealized loss | (211) | (789)
Unrealized loss | (211) | (812)
Corporate bonds |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Less than 12 months, fair value | 2,013 | 0
12 months or greater, fair value | 17,339 | 27,939
Fair value | 19,352 | 27,939
Less than 12 months, unrealized loss | 0 | 0
12 months or greater, unrealized loss | (208) | (676)
Unrealized loss | (208) | (676)
U.S. government treasury bonds |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Less than 12 months, fair value |  | 2,044
12 months or greater, fair value |  | 2,712
Fair value |  | 4,756
Less than 12 months, unrealized loss |  | (11)
12 months or greater, unrealized loss |  | (88)
Unrealized loss |  | (99)
Asset-backed securities |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Less than 12 months, fair value | 0 | 1,018
12 months or greater, fair value | 324 | 83
Fair value | 324 | 1,101
Less than 12 months, unrealized loss | 0 | (1)
12 months or greater, unrealized loss | 0 | 0
Unrealized loss | 0 | (1)
Municipal bonds |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Less than 12 months, fair value |  | 0
12 months or greater, fair value |  | 700
Fair value |  | 700
Less than 12 months, unrealized loss |  | 0
12 months or greater, unrealized loss |  | (2)
Unrealized loss |  | (2)
U.S. government agency bonds |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] |  |
Less than 12 months, fair value | 0 | 4,003
12 months or greater, fair value | 1,006 | 1,178
Fair value | 1,006 | 5,181
Less than 12 months, unrealized loss | 0 | (11)
12 months or greater, unrealized loss | (3) | (23)
Unrealized loss | $ (3) | $ (34)

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