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Marketable Securities - Marketable Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Securities, Available-for-Sale [Line Items] |  |
Adjusted Cost | $ 90,321 | $ 113,778
Unrealized Gain/(Loss) | (6,615) | (1,255)
Fair Value | 83,706 | 112,523
Corporate Bonds |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Adjusted Cost | 40,823 | 47,864
Unrealized Gain/(Loss) | (2,579) | (529)
Fair Value | 38,244 | 47,335
U.S. Treasury |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Adjusted Cost | 20,869 | 24,410
Unrealized Gain/(Loss) | (1,313) | (257)
Fair Value | 19,556 | 24,153
Mortgage-Backed |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Adjusted Cost | 5,980 | 7,504
Unrealized Gain/(Loss) | (606) | (143)
Fair Value | 5,374 | 7,361
U.S. agency and government sponsored securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Adjusted Cost | 10,781 | 14,675
Unrealized Gain/(Loss) | (1,221) | (87)
Fair Value | 9,560 | 14,588
U.S. states and municipalities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Adjusted Cost | 11,801 | 11,871
Unrealized Gain/(Loss) | (895) | (189)
Fair Value | 10,906 | 11,682
Asset-Backed |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Adjusted Cost | 67 | 6,456
Unrealized Gain/(Loss) | (1) | (50)
Fair Value | $ 66 | 6,406
Commercial Paper |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Adjusted Cost |  | 998
Unrealized Gain/(Loss) |  | 0
Fair Value |  | $ 998

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