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Cash, Cash Equivalents and Short-Term Investments - Contractual Maturities (Details) - USD ($) | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Cash, Cash Equivalents and Short-Term Investments |  |
Due within one year, Amortized Cost | $ 77,695,000 | $ 39,081
Due after one year through five years, Amortized Cost | 352,703,000 | 328,776
Due after five years through ten years, Amortized Cost |  | 15,690
Total, Amortized Cost | 430,398,000 | 383,547
Due within one year, Fair Value | 76,845,000 | 39,035
Due after one year through five years, Fair Value | 334,225,000 | 325,047
Due after five years through ten years, Fair Value |  | 15,610
Total, Fair Value | $ 411,070,000 | $ 379,692

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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 second through fifth fiscal year following 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27198-111563 + Details
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