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Available-for-Sale-Securities - Available-for-Sale Securities by Contractual Maturity (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Amortized Cost |  |
Less than one year | $ 39,239 |
Greater than one year | 0 |
Cost | 39,239 | $ 44,662
Estimated Fair Value |  |
Less than one year | 39,221 |
Greater than one year | 0 |
Total | $ 39,221 | $ 44,657

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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in remainder of current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-3 + Details
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