Investment Securities - Maturity Dates of Marketable Debt Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Fair Value	$ 80,585	$ 103,906
Under 1 Year	35,922
1 Year up to 5 Years	44,663
More than 5 Years	0
U.S. Government securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	1,572
Under 1 Year	1,572
1 Year up to 5 Years	0
More than 5 Years	0
Corporate securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	51,986
Under 1 Year	31,199
1 Year up to 5 Years	20,787
More than 5 Years	0
U.S. mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Fair Value	27,027
Under 1 Year	3,151
1 Year up to 5 Years	23,876
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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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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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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