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Investments and Fair Value Measurements - Amortized Cost Basis and Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Cost Basis
Due in one year or less	$ 69,398
Due after one year through five years	2,025
Cost Basis	71,423	$ 105,546
Fair Value
Due in one year or less	69,186
Due after one year through five years	2,022
Market Value	$ 71,208	$ 105,524

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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).

+ References

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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).

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