Investment Securities - Maturity Dates of Marketable Debt Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Fair Value	$ 85,371	$ 103,906
Under 1 Year	43,608
1 Year up to 5 Years	41,763
More than 5 Years	0
U.S. Government securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	3,072
Under 1 Year	2,296
1 Year up to 5 Years	776
More than 5 Years	0
Corporate securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	50,827
Under 1 Year	27,011
1 Year up to 5 Years	23,816
More than 5 Years	0
U.S. mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	25,728
Under 1 Year	8,557
1 Year up to 5 Years	17,171
More than 5 Years	0
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Fair Value	4,529
Under 1 Year	4,529
1 Year up to 5 Years	0
More than 5 Years	0
Foreign fixed-income securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	1,215
Under 1 Year	1,215
1 Year up to 5 Years	0
More than 5 Years	$ 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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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Available-for-sale Securities, Debt Maturities, after Five Years, Fair Value

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