Marketable Securities - Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Available-for-sale securities:
Due within one year	$ 8,915	$ 9,156
Due after one year through three years	8,609	13,123
Total	17,524	22,279
Held-to-maturity securities
Due within one year	16,553	0
Due after one year through three years	0	0
Total	$ 16,553	$ 0

Fair value 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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