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Marketable Securities - Available-for-sale Securities by Major Security Type (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Marketable Securities [Line Items] |  |
Amortized cost |  | $ 3,007
Gross unrealized holding gains |  | 8
Gross unrealized holding losses |  | (5)
Estimated fair value | $ 0 | 3,010
Corporate bonds and notes [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost |  | 1,434
Gross unrealized holding gains |  | 8
Gross unrealized holding losses |  | (2)
Estimated fair value |  | 1,440
Municipal bonds [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost |  | 1,573
Gross unrealized holding gains |  | 0
Gross unrealized holding losses |  | (3)
Estimated fair value |  | $ 1,570

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- Definition The amount of accumulated gross unrealized gain on investment in marketable securities classified as available-for-sale securities. + References No definition available. + Details
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- Definition The amount of accumulated gross unrealized loss on investment in marketable securities classified as available-for-sale securities. + References No definition available. + Details
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- Definition The amount of amortized cost of marketable securities classified as available-for-sale securities. + References No definition available. + Details
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- Definition Amount of investment in marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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