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Cash, Restricted Cash, Cash Equivalents and Investments (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Cash Equivalents, at Carrying Value |  |  |  |
Cash, restricted cash and cash equivalents | $ 33,811,000 | $ 50,114,000 | $ 41,348,000 | $ 36,763,000
Amortized Cost |  | 2,160,000 |  |
Total cash, restricted cash, cash equivalents and investments, amortized cost | 33,811,000 | 52,274,000 |  |
Gross Unrealized (Loss) |  | (20,000) |  |
Fair Value |  | 2,140,000 |  |
Total cash, restricted cash, cash equivalents and investments, fair value | 33,811,000 | 52,254,000 |  |
Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity |  |  |  |
Due within 1 year |  | 2,160,000 |  |
Investments, amortized cost |  | 2,160,000 |  |
Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity |  |  |  |
Due within 1 year |  | 2,140,000 |  |
Investments, fair value |  | 2,140,000 |  |
Debt Securities, Available-for-Sale, Unrealized Loss |  | 20,000 |  |
Impairment charge | $ 0 | 1,900,000 | $ 0 |
Certificates of Deposit |  |  |  |
Cash Equivalents, at Carrying Value |  |  |  |
Amortized Cost |  | 2,160,000 |  |
Gross Unrealized (Loss) |  | (20,000) |  |
Fair Value |  | 2,140,000 |  |
Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity |  |  |  |
Investments, amortized cost |  | 2,160,000 |  |
Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity |  |  |  |
Investments, fair value |  | $ 2,140,000 |  |

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