Marketable Securities - Narrative (Details) |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
|
Mar. 31, 2024
USD ($)
security
|
Mar. 31, 2023
USD ($)
|
Dec. 31, 2023
USD ($)
|
|
| Debt Securities, Available-for-Sale [Line Items] | |||
| Marketable securities, cost | $ 10,109,000 | $ 12,838,000 | |
| Marketable securities, fair value | $ 9,382,000 | 11,950,000 | |
| Debt securities, available-for-sale, unrealized loss position, number of positions | security | 9 | ||
| Allowance for credit losses for marketable securities | $ 0 | $ 0 | |
| Realized loss | $ 100,000 | $ 1,500,000 | |
| Minimum | |||
| Debt Securities, Available-for-Sale [Line Items] | |||
| Debt securities, available-for-sale, unrealized loss position, period | 12 months | 12 months | |
| X | ||||||||||
- Definition Debt Securities, Available-for-Sale, Unrealized Loss Position, Period No definition available.
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| X | ||||||||||
- 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). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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| X | ||||||||||
- Definition Net gain (loss) resulting from the sales of securitized, pay-through debt securities collateralized by real estate mortgage loans (mortgages). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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