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Investments, Debt and Equity Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Debt Securities, Available-for-Sale [Line Items] |  |
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One |  | $ 32,672
Available-for-sale - maturities within one year, Gross unrealized gains |  | 30
Available-for-sale - matures within one year, Gross unrealized losses |  | (10)
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One |  | 32,692
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five | 3,379 | 5,844
Available-for-sale - matures after one year, Gross unrealized losses | 0 | 0
Available-for-sale - matures after one year, Gross unrealized gains | 2 | 31
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five | 3,377 | 5,813
Corporate Bond Securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One | 27,301 | 6,985
Available-for-sale - maturities within one year, Gross unrealized gains | 16 | 4
Available-for-sale - matures within one year, Gross unrealized losses | (9) | 0
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One | 27,308 | 6,989
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five | 2,423 | 2,958
Available-for-sale - matures after one year, Gross unrealized losses | 0 | 0
Available-for-sale - matures after one year, Gross unrealized gains | 0 | 14
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five | 2,423 | 2,944
Municipal Bonds |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One | 16,938 |
Available-for-sale - maturities within one year, Gross unrealized gains | 20 |
Available-for-sale - matures within one year, Gross unrealized losses | (1) |
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One | 16,957 |
US Treasury Securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One | 1,945 | 8,795
Available-for-sale - maturities within one year, Gross unrealized gains | 0 | 17
Available-for-sale - matures within one year, Gross unrealized losses | (4) | 0
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One | 1,941 | 8,812
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five | 956 | 2,886
Available-for-sale - matures after one year, Gross unrealized losses | 0 | 0
Available-for-sale - matures after one year, Gross unrealized gains | 2 | 17
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five | 954 | 2,869
Commercial Paper |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One | 2,070 | 8,855
Available-for-sale - maturities within one year, Gross unrealized gains | 1 | 0
Available-for-sale - matures within one year, Gross unrealized losses | (2) | (5)
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One | 2,069 | 8,850
Agency Securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One | 48,254 | 8,037
Available-for-sale - maturities within one year, Gross unrealized gains | 37 | 9
Available-for-sale - matures within one year, Gross unrealized losses | (16) | (5)
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One | $ 48,275 | $ 8,041

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